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Assignment Of Rear Fuse And Relay Module - GF54.15-P-1256-30FG

Model 213 up to model year 2021 

Variant 1 

Fig 1: Rear Fuse And Relay Module - Model 213 Up To Model Year 2021 (Variant 1)
G13772702Courtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Wire Identification Fused component Fuse rating (A)
400 Electrical fuse 400 (K40/5f400) 87 1.5 RDBK With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 15
401 Electrical fuse 401 (K40/5f401) 87 1.5 RDBU With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 20
402 Electrical fuse 402 (K40/5f402) 87 1.5 RDWH With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 25
403 Electrical fuse 403 (K40/5f403) 87 2.5 RDYE With code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		 15
        Except code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		  
404 Electrical fuse 404 (K40/5f404) 87 2.5 RDGN With code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		 30
        Except code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		  
405 Electrical fuse 405 (K40/5f405) 87 0.5 RD Model 213.1: 
Rear cup holder (R5/3)		 15
406 Electrical fuse 406 (K40/5f406) 30t 2.5 RDYE Right rear door control unit (N69/4) 30
407 Electrical fuse 407 (K40/5f407) 30t 2.5 RDWH With code 432 (Left and right dynamic multicontour seat): 
Multicontour seat pneumatic pump (M40)		 30
408 Electrical fuse 408 (K40/5f408) 30t 2.5 RDBU With code 811 (Advanced sound system): 
Rear woofer amplifier (N40/14)		 30
      2.5 RD With code U21 (AMG Performance exhaust system) and except code 810 (Sound system) and except code 811 (Advanced sound system) 
Engine sound control unit (N40/1)		  
409 Electrical fuse 409 (K40/5f409) 30t 1.0 RDBK With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 15
410 Electrical fuse 410 (K40/5f410) 30t 0.5 RDYE As of 01.06.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		 5
411 Electrical fuse 411 (K40/5f411) 30t 2.5 RD Fuel system control unit (N118) 25
412 Electrical fuse 412 (K40/5f412) 30t 0.5 RD Model 213.1: 
USB port 3, rear passenger compartment (A2/133)		 7, 5
        With code 898 (Wireless charging in rear passenger compartment): 
USB port, rear passenger compartment (X115/2)
Rear passenger compartment mobile phone cradle control unit (N123/10)		  
413 Electrical fuse 413 (K40/5f413) 30t 0.5 RDYE With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
High-voltage battery module (A100)		 5
      0.5 RDWH Engine 177 
Active engine mounts control unit (N3/42)		  
      0.5 RDBK With code B01 (48V technology):  48 V on-board electrical system battery (G1/3)  
414 Electrical fuse 414 (K40/5f414) 30t 0.5 RDWH With code 865 (TV tuner): 
TV tuner control unit (N143)		 5
        With code 536 (SIRIUS satellite radio) or code 537 (Digital radio (DAB)): 
Tuner unit (A90/4)		  
415 Electrical fuse 415 (K40/5f415) 30t 0.5 RDGN With code 23P (Driving assistance package): 
Mercedes-Benz Intelligent Drive control unit (N62/4)		 5
416 Electrical fuse 416 (K40/5f416) 30t 0.5 RDBU With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Power electronics control unit (N129/1)		 5
      0.5 RDYE Up to 31.05.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		  
417 Electrical fuse 417 (K40/5f417) 30t 0.75 RD With code 877 (Ambient lighting) or code 891 (Premium ambient lighting): 
Ambiance illumination control unit (N162)		 7, 5
418...424 Electrical fuse 418 (K40/5f418) - Electrical fuse 424 (K40/5f424) 30t - Spare -
425 Electrical fuse 425 (K40/5f425) 30t 2.5 RD or 2.5 RDBU with code 906 (Front armrest heater): 
Armrest heater control unit (N5)		 30
        Model 213.1 with code 907 (Rear armrest heater): 
Armrest heater control unit (N5)		  
426 Electrical fuse 426 (K40/5f426) 30t 2.5 RD With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
427 Electrical fuse 427 (K40/5f427) 30t 2.5 RD Engine 177: 
Electric differential lock control unit (N3/2)		 25
428 Electrical fuse 428 (K40/5f428) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL Plus control unit (N51/8)		 15
429 Electrical fuse 429 (K40/5f429) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Right rear multicontour seat control unit (N32/21)		 7, 5
430...434 Electrical fuse 430 (K40/5f430) - Electrical fuse 434 (K40/5f434) 30t - Spare -
435 Electrical fuse 435 (K40/5f435) 30t 4.0 RDVT Model 213.0/1 with code 881 (Remote trunk closing): 
Trunk lid control, control unit (N121)		 40
436 Electrical fuse 436 (K40/5f436) 30t 0.5 RDYE Up to 30.11.2018 with code 965 (Taxi/rental car pre-installation): 
Mirror taximeter (A50/1)		 5
437 Electrical fuse 437 (K40/5f437) 30t 2.5 RD Model 213.1 up to 30.04.2017: 
Right rear seat control unit (N32/5)		 30
438 Electrical fuse 438 (K40/5f438) 30t 2.5 RD Model 213.1: 
Left rear seat control unit (N32/6)		 30
439 Electrical fuse 439 (K40/5f439) 30t 2.5 RD Model 213.1 as of 01.05.2017: 
Right rear seat control unit (N32/5)		 30
440 Electrical fuse 440 (K40/5f440) 30t - Spare -
441 Electrical fuse 441 (K40/5f441) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Left rear seat heater control unit (N25/11)		 30
442 Electrical fuse 442 (K40/5f442) 30t 0.35 RD Model 213.1: 
Rear cup holder (R5/3)		 5
443 Electrical fuse 443 (K40/5f443) 30t 2.5 RDVT With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
444 Electrical fuse 444 (K40/5f444) 30t 1.5 RDWH With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
445 Electrical fuse 445 (K40/5f445) 30t 2.5 RDGY With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
446 Electrical fuse 446 (K40/5f446) 30t 2.5 RD With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
447 Electrical fuse 447 (K40/5f447) 30t 1.5 RDBU With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
448 Electrical fuse 448 (K40/5f448) 30t 2.5 RDYE With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
449 Electrical fuse 449 (K40/5f449) 30t 2.5 RDGY With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 25
450 Electrical fuse 450 (K40/5f450) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Left rear multicontour seat control unit (N32/20)		 7, 5
      2.5 RD As of 01.12.2018 with code M005 (4MATIC) except engine 256: 
All-wheel drive control unit (N45)		  
451 Electrical fuse 451 (K40/5f451) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Right rear seat heater control unit (N25/12)		 30
      2.5 RDBU With CODE 872 (Seat heater in rear): 
Rear seat heater control unit (N25/6)		  
452 Electrical fuse 452 (K40/5f452) 30t 2.5 RD or 2.5 RDGN Engine 177: 
Active engine mounts control unit (N3/42)		 20
453 Electrical fuse 453 (K40/5f453) 30t 2.5 RD With code 902 (Seat heater plus for driver and front passenger): 
Driver seat heater control unit (N25/5)		 30
454 Electrical fuse 454 (K40/5f454) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL, control unit (N51/3)		 15
        Model 213.2 except code 459 (Steel suspension with adjustable damping) and except code 489 (AIR BODY CONTROL): 
Rear axle electronic level control system control unit (N97)		  
        With code 459 (Steel suspension with adjustable damping): 
Adaptive damping system control unit (N51/5)		  
455 Electrical fuse 455 (K40/5f455) 87 0.5 RD With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 5
      0.35 RD As of model year 2020: 
USB port in rear passenger compartment at left (X115/3)
USB port in rear passenger compartment at right (X115/4)		  
456 Electrical fuse 456 (K40/5f456) 87 1.5 RDWH Luggage compartment socket (X58/12) 15
457 Electrical fuse 457 (K40/5f457) 87 1.5 RDBK With code 301 (Smoker's package): 
Front cigarette lighter with ashtray illumination (R3)		 15
        Except code 301 (Smoker's package): 
Vehicle interior socket, front (X58/17)		  
      1.5 RDBU or 1.0 RDBU With code 866 (Pre-installation for Entertainment and Comfort): 
Driver's seat Rear Seat Entertainment System electrical connector (X55/3)
Front passenger seat Rear Seat Entertainment system electrical connector (X55/4)		  
458 Electrical fuse 458 (K40/5f458) 87 1.5 RDBN Rear center console socket (X58/18) 15
459 Electrical fuse 459 (K40/5f459) 87 0.5 RD Engine 177: 
Drive Unit control unit (N145/1)		 15
460 Electrical fuse 460 (K40/5f460) 87 - Spare -
461 Electrical fuse 461 (K40/5f461) 30t 1.0 RD With CODE 581 (Automatic air conditioning): 
Left booster blower (M2/23)
Right booster blower (M2/24)		 10
462 Electrical fuse 462 (K40/5f462) 30t 0.5 RDGY Engine 177: 
Brake lights switch (S9/1)		 5
463 Electrical fuse 463 (K40/5f463) 30t - Spare -
464 Electrical fuse 464 (K40/5f464) 30t 0.5 RD Model 213.288/289 up to model year 2018 with code 466 (Active engine mount) or code 467 (Electronic locking differential): 
AMG sports suspension control unit (N3/43)		 5
        Engine 177: 
Drive Unit control unit (N145/1)		  
465 Electrical fuse 465 (K40/5f465) 87 - Spare -
466 Electrical fuse 466 (K40/5f466) 87 - Spare -
467 Electrical fuse 467 (K40/5f467) 30t 0.5 RDGN With code 475 (Tire pressure monitoring system): 
Tire pressure monitor control unit (N88)		 5
468 Electrical fuse 468 (K40/5f468) 30t 0.5 RDWH With code 235 (Parking Pilot with PARKTRONIC) or code P44 (Parking Package): 
Parking system control unit (N62)		 7, 5
        With code 218 (Reversing camera): 
Reversing camera control unit (N66/2)		  
469 Electrical fuse 469 (K40/5f469) 30t 0.5 RDBU With CODE 871 (HANDS-FREE ACCESS): 
Rear switching module (N38)		 5
470 Electrical fuse 470 (K40/5f470) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Charger (N83/5)		 5
      0.5 RDYE Engine 177: 
Electric differential lock control unit (N3/2)		  
471 Electrical fuse 471 (K40/5f471) 30t - Spare -
472 Electrical fuse 472 (K40/5f472) 30t - Spare -
473 Electrical fuse 473 (K40/5f473) 30t 4.0 RDWH With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 40
      6.0 RDWH AMG vehicles: 
AIR BODY CONTROL relay (K67)		  
474 Electrical fuse 474 (K40/5f474) 87 4.0 RDBU Rear window interference suppression capacitor (C3) 50
475 Electrical fuse 475 (K40/5f475) 30t 4.0 RD With code 810 (Sound system): 
Sound system amplifier control unit (N40/3)		 40
        With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		  
        Up to 31.12.2018 except code 810 (Sound system) and except code 811 (Advanced sound system) and except code B63 (Sporty engine sound), engine 256 with code M016 (Engine, high-performance) or engine 177 with code M40 (Displacement, 4.0 liters): 
Midline sound system amplifier control unit (N40/2)		  
476 Electrical fuse 476 (K40/5f476) 30t 4.0 RDBU or 4.0 RDBK Rear SAM control unit (N10/8) 40
477 Electrical fuse 477 (K40/5f477) 30t 4.0 RDGY Rear SAM control unit (N10/8) 40
478 Electrical fuse 478 (K40/5f478) 30t 4.0 RDGN With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		 40
479 Electrical fuse 479 (K40/5f479) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): 
Charger (N83/5)		 10
480 Electrical fuse 480 (K40/5f480) 30t 0.5 RD With code 447 (Touchscreen in rear passenger compartment (Rear touchscreen)): 
Touchscreen (A105/3)		 5
481...484 Electrical fuse 481 (K40/5f481) - Electrical fuse 484 (K40/5f484) 87 - Spare -
NOTE: The rear fuse and relay module is installed in three variants, depending on the equipment.
Relay Identification Designation
S Reserve solenoid switch (K40/5kS)
T Rear window heater relay (K40/5kT)
U 2nd seat row cup holder and sockets relay (K40/5kU)
V With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® relay (K40/5kV)
X 1st seat row/trunk refrigerator box and sockets relay (K40/5kX)
Y Spare relay (K40/5kY)

Variant 2 

Fig 2: Rear Fuse And Relay Module - Model 213 Up To Model Year 2021 (Variant 2)
G13772703Courtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Wire Identification Fused component Fuse rating (A)
400 Electrical fuse 400 (K40/5f400) 87 1.5 RDBK With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 15
401 Electrical fuse 401 (K40/5f401) 87 1.5 RDBU With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 20
402 Electrical fuse 402 (K40/5f402) 87 1.5 RDWH With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 25
403 Electrical fuse 403 (K40/5f403) 87 2.5 RDYE With code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		 15
        Except code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		  
404 Electrical fuse 404 (K40/5f404) 87 2.5 RDGN With code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		 30
        Except code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		  
405 Electrical fuse 405 (K40/5f405) 87 0.5 RD Model 213.1: 
Rear cup holder (R5/3)		 15
406 Electrical fuse 406 (K40/5f406) 30t 2.5 RDYE Right rear door control unit (N69/4) 30
407 Electrical fuse 407 (K40/5f407) 30t 2.5 RDWH With code 432 (Left and right dynamic multicontour seat): 
Multicontour seat pneumatic pump (M40)		 30
408 Electrical fuse 408 (K40/5f408) 30t 2.5 RDBU With code 811 (Advanced sound system): 
Rear woofer amplifier (N40/14)		 30
      2.5 RD With code U21 (AMG Performance exhaust system) and except code 810 (Sound system) and except code 811 (Advanced sound system) 
Engine sound control unit (N40/1)		  
409 Electrical fuse 409 (K40/5f409) 30t 1.0 RDBK With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 15
410 Electrical fuse 410 (K40/5f410) 30t 0.5 RDYE As of 01.06.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		 5
411 Electrical fuse 411 (K40/5f411) 30t 2.5 RD Fuel system control unit (N118) 25
412 Electrical fuse 412 (K40/5f412) 30t 0.5 RD Model 213.1: 
USB port 3, rear passenger compartment (A2/133)		 7, 5
        With code 898 (Wireless charging in rear passenger compartment): 
USB port, rear passenger compartment (X115/2)
Rear passenger compartment mobile phone cradle control unit (N123/10)		  
413 Electrical fuse 413 (K40/5f413) 30t 0.5 RDYE With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
High-voltage battery module (A100)		 5
      0.5 RDWH Engine 177 
Active engine mounts control unit (N3/42)		  
      0.5 RDBK With code B01 (48V technology):  48 V on-board electrical system battery (G1/3)  
414 Electrical fuse 414 (K40/5f414) 30t 0.5 RDWH With code 865 (TV tuner): 
TV tuner control unit (N143)		 5
        With code 536 (SIRIUS satellite radio) or code 537 (Digital radio (DAB)): 
Tuner unit (A90/4)		  
415 Electrical fuse 415 (K40/5f415) 30t 0.5 RDGN With code 23P (Driving assistance package): 
Mercedes-Benz Intelligent Drive control unit (N62/4)		 5
416 Electrical fuse 416 (K40/5f416) 30t 0.5 RDBU With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Power electronics control unit (N129/1)		 5
      0.5 RDYE Up to 31.05.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		  
417 Electrical fuse 417 (K40/5f417) 30t 0.75 RD With code 877 (Ambient lighting) or code 891 (Premium ambient lighting): 
Ambiance illumination control unit (N162)		 7, 5
418...424 Electrical fuse 418 (K40/5f418) - Electrical fuse 424 (K40/5f424) 30t - Spare -
425 Electrical fuse 425 (K40/5f425) 30t 2.5 RD or 2.5 RDBU with code 906 (Front armrest heater): 
Armrest heater control unit (N5)		 30
        Model 213.1 with code 907 (Rear armrest heater): 
Armrest heater control unit (N5)		  
426 Electrical fuse 426 (K40/5f426) 30t 2.5 RD With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
427 Electrical fuse 427 (K40/5f427) 30t 2.5 RD Engine 177: 
Electric differential lock control unit (N3/2)		 25
428 Electrical fuse 428 (K40/5f428) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL Plus control unit (N51/8)		 15
429 Electrical fuse 429 (K40/5f429) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Right rear multicontour seat control unit (N32/21)		 7, 5
430...434 Electrical fuse 430 (K40/5f430) - Electrical fuse 434 (K40/5f434) 30t - Spare -
435 Electrical fuse 435 (K40/5f435) 30t 4.0 RDVT Model 213.0/1 with code 881 (Remote trunk closing): 
Trunk lid control, control unit (N121)		 40
436 Electrical fuse 436 (K40/5f436) 30t 0.5 RDYE Up to 30.11.2018 with code 965 (Taxi/rental car pre-installation): 
Mirror taximeter (A50/1)		 5
437 Electrical fuse 437 (K40/5f437) 30t 2.5 RD Model 213.1 up to 30.04.2017: 
Right rear seat control unit (N32/5)		 30
438 Electrical fuse 438 (K40/5f438) 30t 2.5 RD Model 213.1: 
Left rear seat control unit (N32/6)		 30
439 Electrical fuse 439 (K40/5f439) 30t 2.5 RD Model 213.1 as of 01.05.2017: 
Right rear seat control unit (N32/5)		 30
440 Electrical fuse 440 (K40/5f440) 30t - Spare -
441 Electrical fuse 441 (K40/5f441) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Left rear seat heater control unit (N25/11)		 30
442 Electrical fuse 442 (K40/5f442) 30t 0.35 RD Model 213.1: 
Rear cup holder (R5/3)		 5
443 Electrical fuse 443 (K40/5f443) 30t 2.5 RDVT With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
444 Electrical fuse 444 (K40/5f444) 30t 1.5 RDWH With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
445 Electrical fuse 445 (K40/5f445) 30t 2.5 RDGY With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
446 Electrical fuse 446 (K40/5f446) 30t 2.5 RD With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
447 Electrical fuse 447 (K40/5f447) 30t 1.5 RDBU With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
448 Electrical fuse 448 (K40/5f448) 30t 2.5 RDYE With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
449 Electrical fuse 449 (K40/5f449) 30t 2.5 RDGY With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 25
450 Electrical fuse 450 (K40/5f450) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Left rear multicontour seat control unit (N32/20)		 7, 5
      2.5 RD As of 01.12.2018 with code M005 (4MATIC) except engine 256: 
All-wheel drive control unit (N45)		  
451 Electrical fuse 451 (K40/5f451) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Right rear seat heater control unit (N25/12)		 30
      2.5 RDBU With CODE 872 (Seat heater in rear): 
Rear seat heater control unit (N25/6)		  
452 Electrical fuse 452 (K40/5f452) 30t 2.5 RD or 2.5 RDGN Engine 177: 
Active engine mounts control unit (N3/42)		 20
453 Electrical fuse 453 (K40/5f453) 30t 2.5 RD With code 902 (Seat heater plus for driver and front passenger): 
Driver seat heater control unit (N25/5)		 30
454 Electrical fuse 454 (K40/5f454) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL, control unit (N51/3)		 15
        Model 213.2 except code 459 (Steel suspension with adjustable damping) and except code 489 (AIR BODY CONTROL): 
Rear axle electronic level control system control unit (N97)		  
        With code 459 (Steel suspension with adjustable damping): 
Adaptive damping system control unit (N51/5)		  
455 Electrical fuse 455 (K40/5f455) 87 0.5 RD With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 5
      0.35 RD As of model year 2020: 
USB port in rear passenger compartment at left (X115/3)
USB port in rear passenger compartment at right (X115/4)		  
456 Electrical fuse 456 (K40/5f456) 87 1.5 RDWH Luggage compartment socket (X58/12) 15
457 Electrical fuse 457 (K40/5f457) 87 1.5 RDBK With code 301 (Smoker's package): 
Front cigarette lighter with ashtray illumination (R3)		 15
        Except code 301 (Smoker's package): 
Vehicle interior socket, front (X58/17)		  
      1.5 RDBU or 1.0 RDBU With code 866 (Pre-installation for Entertainment and Comfort): 
Driver's seat Rear Seat Entertainment System electrical connector (X55/3)
Front passenger seat Rear Seat Entertainment system electrical connector (X55/4)		  
458 Electrical fuse 458 (K40/5f458) 87 1.5 RDBN Rear center console socket (X58/18) 15
459 Electrical fuse 459 (K40/5f459) 87 0.5 RD Engine 177: 
Drive Unit control unit (N145/1)		 15
460 Electrical fuse 460 (K40/5f460) 87 - Spare -
461 Electrical fuse 461 (K40/5f461) 30t 1.0 RD With CODE 581 (Automatic air conditioning): 
Left booster blower (M2/23)
Right booster blower (M2/24)		 10
462 Electrical fuse 462 (K40/5f462) 30t 0.5 RDGY Engine 177: 
Brake lights switch (S9/1)		 5
463 Electrical fuse 463 (K40/5f463) 30t - Spare -
464 Electrical fuse 464 (K40/5f464) 30t 0.5 RD Model 213.288/289 up to model year 2018 with code 466 (Active engine mount) or code 467 (Electronic locking differential): 
AMG sports suspension control unit (N3/43)		 5
        Engine 177: 
Drive Unit control unit (N145/1)		  
465 Electrical fuse 465 (K40/5f465) 87 - Spare -
466 Electrical fuse 466 (K40/5f466) 87 - Spare -
467 Electrical fuse 467 (K40/5f467) 30t 0.5 RDGN With code 475 (Tire pressure monitoring system): 
Tire pressure monitor control unit (N88)		 5
468 Electrical fuse 468 (K40/5f468) 30t 0.5 RDWH With code 235 (Parking Pilot with PARKTRONIC) or code P44 (Parking Package): 
Parking system control unit (N62)		 7, 5
        With code 218 (Reversing camera): 
Reversing camera control unit (N66/2)		  
469 Electrical fuse 469 (K40/5f469) 30t 0.5 RDBU With CODE 871 (HANDS-FREE ACCESS): 
Rear switching module (N38)		 5
470 Electrical fuse 470 (K40/5f470) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Charger (N83/5)		 5
      0.5 RDYE Engine 177: 
Electric differential lock control unit (N3/2)		  
471 Electrical fuse 471 (K40/5f471) 30t - Spare -
472 Electrical fuse 472 (K40/5f472) 30t - Spare -
473 Electrical fuse 473 (K40/5f473) 30t 4.0 RDWH With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 40
      6.0 RDWH AMG vehicles: 
AIR BODY CONTROL relay (K67)		  
474 Electrical fuse 474 (K40/5f474) 87 4.0 RDBU Rear window interference suppression capacitor (C3) 50
475 Electrical fuse 475 (K40/5f475) 30t 4.0 RD With code 810 (Sound system): 
Sound system amplifier control unit (N40/3)		 40
        With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		  
        Up to 31.12.2018 except code 810 (Sound system) and except code 811 (Advanced sound system) and except code B63 (Sporty engine sound), engine 256 with code M016 (Engine, high-performance) or engine 177 with code M40 (Displacement, 4.0 liters): 
Midline sound system amplifier control unit (N40/2)		  
476 Electrical fuse 476 (K40/5f476) 30t 4.0 RDBU or 4.0 RDBK Rear SAM control unit (N10/8) 40
477 Electrical fuse 477 (K40/5f477) 30t 4.0 RDGY Rear SAM control unit (N10/8) 40
478 Electrical fuse 478 (K40/5f478) 30t 4.0 RDGN With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		 40
479 Electrical fuse 479 (K40/5f479) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): 
Charger (N83/5)		 10
480 Electrical fuse 480 (K40/5f480) 30t 0.5 RD With code 447 (Touchscreen in rear passenger compartment (Rear touchscreen)): 
Touchscreen (A105/3)		 5
481...484 Electrical fuse 481 (K40/5f481) - Electrical fuse 484 (K40/5f484) 87 - Spare -
NOTE: The rear fuse and relay module is installed in three variants, depending on the equipment.
Relay Identification Designation
S Reserve solenoid switch (K40/5kS)
T Rear window heater relay (K40/5kT)
U 2nd seat row cup holder and sockets relay (K40/5kU)
V With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® relay (K40/5kV)
X 1st seat row/trunk refrigerator box and sockets relay (K40/5kX)
Y Spare relay (K40/5kY)

Variant 3 

Fig 3: Rear Fuse And Relay Module - Model 213 Up To Model Year 2021 (Variant 3)
G13772704Courtesy of MERCEDES-BENZ USA
Slot Fuse Identification Circuit Wire Identification Fused component Fuse rating (A)
400 Electrical fuse 400 (K40/5f400) 87 1.5 RDBK With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 15
401 Electrical fuse 401 (K40/5f401) 87 1.5 RDBU With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 20
402 Electrical fuse 402 (K40/5f402) 87 1.5 RDWH With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® control unit (N118/5)		 25
403 Electrical fuse 403 (K40/5f403) 87 2.5 RDYE With code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		 15
        Except code P65 (Seat Comfort Package): 
Front passenger seat partially electric seat adjustment switch (S23/1)		  
404 Electrical fuse 404 (K40/5f404) 87 2.5 RDGN With code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		 30
        Except code P65 (Seat Comfort Package): 
Driver seat partially electric seat adjustment switch (S22/1)		  
405 Electrical fuse 405 (K40/5f405) 87 0.5 RD Model 213.1: 
Rear cup holder (R5/3)		 15
406 Electrical fuse 406 (K40/5f406) 30t 2.5 RDYE Right rear door control unit (N69/4) 30
407 Electrical fuse 407 (K40/5f407) 30t 2.5 RDWH With code 432 (Left and right dynamic multicontour seat): 
Multicontour seat pneumatic pump (M40)		 30
408 Electrical fuse 408 (K40/5f408) 30t 2.5 RDBU With code 811 (Advanced sound system): 
Rear woofer amplifier (N40/14)		 30
      2.5 RD With code U21 (AMG Performance exhaust system) and except code 810 (Sound system) and except code 811 (Advanced sound system) 
Engine sound control unit (N40/1)		  
409 Electrical fuse 409 (K40/5f409) 30t 1.0 RDBK With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 15
410 Electrical fuse 410 (K40/5f410) 30t 0.5 RDYE As of 01.06.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		 5
411 Electrical fuse 411 (K40/5f411) 30t 2.5 RD Fuel system control unit (N118) 25
412 Electrical fuse 412 (K40/5f412) 30t 0.5 RD Model 213.1: 
USB port 3, rear passenger compartment (A2/133)		 7, 5
        With code 898 (Wireless charging in rear passenger compartment): 
USB port, rear passenger compartment (X115/2)
Rear passenger compartment mobile phone cradle control unit (N123/10)		  
413 Electrical fuse 413 (K40/5f413) 30t 0.5 RDYE With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
High-voltage battery module (A100)		 5
      0.5 RDWH Engine 177 
Active engine mounts control unit (N3/42)		  
      0.5 RDBK With code B01 (48V technology):  48 V on-board electrical system battery (G1/3)  
414 Electrical fuse 414 (K40/5f414) 30t 0.5 RDWH With code 865 (TV tuner): 
TV tuner control unit (N143)		 5
        With code 536 (SIRIUS satellite radio) or code 537 (Digital radio (DAB)): 
Tuner unit (A90/4)		  
415 Electrical fuse 415 (K40/5f415) 30t 0.5 RDGN With code 23P (Driving assistance package): 
Mercedes-Benz Intelligent Drive control unit (N62/4)		 5
416 Electrical fuse 416 (K40/5f416) 30t 0.5 RDBU With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Power electronics control unit (N129/1)		 5
      0.5 RDYE Up to 31.05.2018 with code B01 (48V technology): 
DC/DC converter control unit (N83/1)		  
417 Electrical fuse 417 (K40/5f417) 30t 0.75 RD With code 877 (Ambient lighting) or code 891 (Premium ambient lighting): 
Ambiance illumination control unit (N162)		 7, 5
418...424 Electrical fuse 418 (K40/5f418) - Electrical fuse 424 (K40/5f424) 30t - Spare -
425 Electrical fuse 425 (K40/5f425) 30t 2.5 RD or 2.5 RDBU with code 906 (Front armrest heater): 
Armrest heater control unit (N5)		 30
        Model 213.1 with code 907 (Rear armrest heater): 
Armrest heater control unit (N5)		  
426 Electrical fuse 426 (K40/5f426) 30t 2.5 RD With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
427 Electrical fuse 427 (K40/5f427) 30t 2.5 RD Engine 177: 
Electric differential lock control unit (N3/2)		 25
428 Electrical fuse 428 (K40/5f428) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL Plus control unit (N51/8)		 15
429 Electrical fuse 429 (K40/5f429) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Right rear multicontour seat control unit (N32/21)		 7, 5
430...434 Electrical fuse 430 (K40/5f430) - Electrical fuse 434 (K40/5f434) 30t - Spare -
435 Electrical fuse 435 (K40/5f435) 30t 4.0 RDVT Model 213.0/1 with code 881 (Remote trunk closing): 
Trunk lid control, control unit (N121)		 40
436 Electrical fuse 436 (K40/5f436) 30t 0.5 RDYE Up to 30.11.2018 with code 965 (Taxi/rental car pre-installation): 
Mirror taximeter (A50/1)		 5
437 Electrical fuse 437 (K40/5f437) 30t 2.5 RD Model 213.1 up to 30.04.2017: 
Right rear seat control unit (N32/5)		 30
438 Electrical fuse 438 (K40/5f438) 30t 2.5 RD Model 213.1: 
Left rear seat control unit (N32/6)		 30
439 Electrical fuse 439 (K40/5f439) 30t 2.5 RD Model 213.1 as of 01.05.2017: 
Right rear seat control unit (N32/5)		 30
440 Electrical fuse 440 (K40/5f440) 30t - Spare -
441 Electrical fuse 441 (K40/5f441) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Left rear seat heater control unit (N25/11)		 30
442 Electrical fuse 442 (K40/5f442) 30t 0.35 RD Model 213.1: 
Rear cup holder (R5/3)		 5
443 Electrical fuse 443 (K40/5f443) 30t 2.5 RDVT With code 965 (Taxi/rental vehicle pre-installation): 
Special-purpose vehicle multifunction control unit (N26/9)		 25
444 Electrical fuse 444 (K40/5f444) 30t 1.5 RDWH With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
445 Electrical fuse 445 (K40/5f445) 30t 2.5 RDGY With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
446 Electrical fuse 446 (K40/5f446) 30t 2.5 RD With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
447 Electrical fuse 447 (K40/5f447) 30t 1.5 RDBU With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 20
448 Electrical fuse 448 (K40/5f448) 30t 2.5 RDYE With CODE 550 (Trailer hitch): 
Trailer recognition control unit (N28/1)		 30
449 Electrical fuse 449 (K40/5f449) 30t 2.5 RDGY With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 25
450 Electrical fuse 450 (K40/5f450) 30t 0.5 RDWH With code 406 (Rear multicontour seats): 
Left rear multicontour seat control unit (N32/20)		 7, 5
      2.5 RD As of 01.12.2018 with code M005 (4MATIC) except engine 256: 
All-wheel drive control unit (N45)		  
451 Electrical fuse 451 (K40/5f451) 30t 2.5 RD With code 903 (Seat heater Plus for outer rear seats): 
Right rear seat heater control unit (N25/12)		 30
      2.5 RDBU With CODE 872 (Seat heater in rear): 
Rear seat heater control unit (N25/6)		  
452 Electrical fuse 452 (K40/5f452) 30t 2.5 RD or 2.5 RDGN Engine 177: 
Active engine mounts control unit (N3/42)		 20
453 Electrical fuse 453 (K40/5f453) 30t 2.5 RD With code 902 (Seat heater plus for driver and front passenger): 
Driver seat heater control unit (N25/5)		 30
454 Electrical fuse 454 (K40/5f454) 30t 1.5 RDWH With code 489 (AIR BODY CONTROL): 
AIR BODY CONTROL, control unit (N51/3)		 15
        Model 213.2 except code 459 (Steel suspension with adjustable damping) and except code 489 (AIR BODY CONTROL): 
Rear axle electronic level control system control unit (N97)		  
        With code 459 (Steel suspension with adjustable damping): 
Adaptive damping system control unit (N51/5)		  
455 Electrical fuse 455 (K40/5f455) 87 0.5 RD With code U67 (230 volt socket in interior) or code U80 (115V socket): 
DC/AC converter control unit (N24/3)		 5
      0.35 RD As of model year 2020: 
USB port in rear passenger compartment at left (X115/3)
USB port in rear passenger compartment at right (X115/4)		  
456 Electrical fuse 456 (K40/5f456) 87 1.5 RDWH Luggage compartment socket (X58/12) 15
457 Electrical fuse 457 (K40/5f457) 87 1.5 RDBK With code 301 (Smoker's package): 
Front cigarette lighter with ashtray illumination (R3)		 15
        Except code 301 (Smoker's package): 
Vehicle interior socket, front (X58/17)		  
      1.5 RDBU or 1.0 RDBU With code 866 (Pre-installation for Entertainment and Comfort): 
Driver's seat Rear Seat Entertainment System electrical connector (X55/3)
Front passenger seat Rear Seat Entertainment system electrical connector (X55/4)		  
458 Electrical fuse 458 (K40/5f458) 87 1.5 RDBN Rear center console socket (X58/18) 15
459 Electrical fuse 459 (K40/5f459) 87 0.5 RD Engine 177: 
Drive Unit control unit (N145/1)		 15
460 Electrical fuse 460 (K40/5f460) 87 - Spare -
461 Electrical fuse 461 (K40/5f461) 30t 1.0 RD With CODE 581 (Automatic air conditioning): 
Left booster blower (M2/23)
Right booster blower (M2/24)		 10
462 Electrical fuse 462 (K40/5f462) 30t 0.5 RDGY Engine 177: 
Brake lights switch (S9/1)		 5
463 Electrical fuse 463 (K40/5f463) 30t - Spare -
464 Electrical fuse 464 (K40/5f464) 30t 0.5 RD Model 213.288/289 up to model year 2018 with code 466 (Active engine mount) or code 467 (Electronic locking differential): 
AMG sports suspension control unit (N3/43)		 5
        Engine 177: 
Drive Unit control unit (N145/1)		  
465 Electrical fuse 465 (K40/5f465) 87 - Spare -
466 Electrical fuse 466 (K40/5f466) 87 - Spare -
467 Electrical fuse 467 (K40/5f467) 30t 0.5 RDGN With code 475 (Tire pressure monitoring system): 
Tire pressure monitor control unit (N88)		 5
468 Electrical fuse 468 (K40/5f468) 30t 0.5 RDWH With code 235 (Parking Pilot with PARKTRONIC) or code P44 (Parking Package): 
Parking system control unit (N62)		 7, 5
        With code 218 (Reversing camera): 
Reversing camera control unit (N66/2)		  
469 Electrical fuse 469 (K40/5f469) 30t 0.5 RDBU With CODE 871 (HANDS-FREE ACCESS): 
Rear switching module (N38)		 5
470 Electrical fuse 470 (K40/5f470) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)) or code ME06 (Hybrid drive 60 KW variant (including plug-in)): 
Charger (N83/5)		 5
      0.5 RDYE Engine 177: 
Electric differential lock control unit (N3/2)		  
471 Electrical fuse 471 (K40/5f471) 30t - Spare -
472 Electrical fuse 472 (K40/5f472) 30t - Spare -
473 Electrical fuse 473 (K40/5f473) 30t 4.0 RDWH With code U79 (BlueTEC (SCR) diesel exhaust treatment, 3rd generation): 
AdBlue® control unit (N118/5)		 40
      6.0 RDWH AMG vehicles: 
AIR BODY CONTROL relay (K67)		  
474 Electrical fuse 474 (K40/5f474) 87 4.0 RDBU Rear window interference suppression capacitor (C3) 50
475 Electrical fuse 475 (K40/5f475) 30t 4.0 RD With code 810 (Sound system): 
Sound system amplifier control unit (N40/3)		 40
        With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		  
        Up to 31.12.2018 except code 810 (Sound system) and except code 811 (Advanced sound system) and except code B63 (Sporty engine sound), engine 256 with code M016 (Engine, high-performance) or engine 177 with code M40 (Displacement, 4.0 liters): 
Midline sound system amplifier control unit (N40/2)		  
476 Electrical fuse 476 (K40/5f476) 30t 4.0 RDBU or 4.0 RDBK Rear SAM control unit (N10/8) 40
477 Electrical fuse 477 (K40/5f477) 30t 4.0 RDGY Rear SAM control unit (N10/8) 40
478 Electrical fuse 478 (K40/5f478) 30t 4.0 RDGN With code 811 (Advanced sound system): 
Advanced sound system amplifier control unit (N40/7)		 40
479 Electrical fuse 479 (K40/5f479) 30t 0.75 RD With code ME05 (HYBRID DRIVE 80KW VARIANT (INCLUDING PLUG-IN)): 
Charger (N83/5)		 10
480 Electrical fuse 480 (K40/5f480) 30t 0.5 RD With code 447 (Touchscreen in rear passenger compartment (Rear touchscreen)): 
Touchscreen (A105/3)		 5
481...484 Electrical fuse 481 (K40/5f481) - Electrical fuse 484 (K40/5f484) 87 - Spare -
NOTE: The rear fuse and relay module is installed in three variants, depending on the equipment.
Relay Identification Designation
S Reserve solenoid switch (K40/5kS)
T Rear window heater relay (K40/5kT)
U 2nd seat row cup holder and sockets relay (K40/5kU)
V With code U77 (BLUETEC (SCR) diesel exhaust treatment): 
AdBlue® relay (K40/5kV)
X 1st seat row/trunk refrigerator box and sockets relay (K40/5kX)
Y Spare relay (K40/5kY)
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