Fuse and relay box fuse assignment - GF54.15-P-1255-20CD

MODEL 463.306 /336 /346 up to 31.5.12 as of Model Year 2011 /YoM 10

MODEL 463.202 /222 /236 /237 /270 /271 /303 /340 /341 up to 31.5.12 as of Model Year 2010 /YoM 09

Fig 1: Identifying Fuse Box (8 Fuses), Interior Fuse Box And Front/Rear Signal Acquisition And Actuation Module (SAM)

Courtesy of MERCEDES-BENZ USA

FUSE AND RELAY BOX FUSE ASSIGNMENT DESCRIPTION

Fuse	Circuit	Designation	Fused function	Fuse rating in amperes (A)
f1(A)	-	Fuse 1	Turn rate sensor (B24/9) Stop light switch (S9/1) ESP control unit (N30/4)	7.5
12(B)	-	Fuse 2	Valid for model 463.270/271 Charge air cooler circulation pump (M44) AAC with integrated control additional fan motor (M4/7)	10
f3 (C)	-	Fuse 3	Headlamp range adjustment control unit (N71) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 with code (YF5) Engine compartment fire extinguishing system Fire extinguishing system control unit (N100)	5
f4 (D)	-	Fuse 4	Valid for code (FR8) Reversing camera Backup camera power supply module (N66/10)	5
f5 (E)		Fuse 5	Valid for code (EU9) Surround sound system (harman/kardon Logic 7) Sound system amplifier (N40/9) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Special vehicle multifunction control unit (SVMCU [MSS]) (N26/9)	30
f6 (F)	-	Fuse 6	Valid for code (H11) Rear bench seat heater or for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Rear seat heater (SIH) control unit (N25/6)	20
f7 (G)	-	Fuse 7	Valid for code (EH3) Media interface Media interface control unit (N125/1)	5
f8 (H)	-	Fuse 8	Valid for code (S50) Driver and front passenger seat ventilation (N29/5) Left front seat ventilation blower regulator Right front seat ventilation blower regulator (N29/6)	7.5

FUSE AND RELAY BOX FUSE ASSIGNMENT DESCRIPTION

Fuse	Circuit	Designation	Fused function	Fuse rating in amperes (A)
f21	-	Fuse 21	Left front door control unit (N69/1)	30
f22	-	Fuse 22	Right front door control unit (N69/2)	30
f23	-	Fuse 23	Rear dome lamp (E15/3)	5
f24	-	Fuse 24	Valid for code (F49) Heated windshield Heated windshield relay (K13/2)	20
f25	-	Fuse 25	Driver seat connector block (X55/3) Front passenger seat connector block (X55/4)	30
f26	-	Fuse 26	Right front door luminescent film converter (N81) Left front door luminescent film converter (N81/1) Left rear door luminescent film converter (N81/2) Right rear door luminescent film converter) (N81/3)	5
f27	-	Fuse 27	Front seat adjustment with memory control unit, driver and steering column (N32/1)	40
f28	-	Fuse 28	Interior socket (X58/1) Cargo area connector box (X58/18) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Right rear stowage box socket (X58/16)	15
f29	-	Fuse 29	Steering wheel heater electronics (A74) (special equipment)	15
f30	-	Fuse 30	Heating systems recirculation unit (A32)	40
f31	-	Fuse 31	Electric steering lock control unit (N26/5) EZS control unit (N73)	20
f32	-	Fuse 32	Left rear door control unit (N69/3)	30
f33	-	Fuse 33	Right rear door control unit (N69/4)	30
f34	-	Fuse 34	Valid for model 463.237/271 E-net compensator (A28/3) Emergency call system control unit (N123/4)	7.5
f35	-	Fuse 35	Valid for code (H12) Auxiliary heater Stationary heater and heater booster control unit (A6n1)	20
f36	-	Fuse 36	Valid for model 463.202/303 Electric soft top motor (M47) Valid for model 463.270/271 Fuel pump relay (N10/2kA) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Special vehicle multifunction control unit (SVMCU [MSS]) (N26/9)	30 30 30
f37	-	Fuse 37	Valid for gasoline engine: Differential locks vacuum pump (M40)	15
f38	-	Fuse 38	Passenger-side front seat adjustment control unit with memory (N32/2)	40
f39	-	Fuse 39	VGS control unit (N15/7)	40
f40	-	Fuse 40	ESP control unit (N30/4)	25
f41	-	Fuse 41	AAC [KLA] control and operating unit (N22) Upper control panel control unit (N72/1)	7.5
f42	-	Fuse 42	Instrument cluster (A1) Steering column tube module (N80)	7.5

FUSE AND RELAY BOX FUSE ASSIGNMENT DESCRIPTION

Fuse	Circuit	Designation	Fused function	Fuse rating in amperes (A)
f43a	15R	Fuse 43a	Horn 2 (H2/1)	15
f43b	30	Fuse 43b	Horn 1 (H2)	15
f44	-	Fuse 44	Spare	-
f45	15R	Fuse 45	Restraint systems control unit (N2/7)	7.5
f46	15	Fuse 46	Wiper ON/OFF relay (N10/1kQ)	20
f47	15R	Fuse 47	Glove compartment lamp (E13/1) Front cigar lighter with ashtray illumination (R3)	15
f48	-	Fuse 48	Valid for engine 273 Ignition coils circuit 15 Valid for engine 642 O2 sensor heater	15
f49	15	Fuse 49	Restraint systems control unit (N2/7)	7.5
f50	15	Fuse 50	Light switch module (S1) Valid for code (H11) Rear bench seat heater or for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Rear seat heater (SIH) control unit (N25/6)	5
f51	15	Fuse 51	Instrument cluster (A1)	7.5
f52	-	Fuse 52	Starter (M1)	15
f53a	87	Fuse 53a	Valid for gasoline engine: Engine/M1	15
f53b	87	Fuse 53b	Valid for diesel engine: Diesel/D1	25
f54a	87	Fuse 54a	Valid for gasoline engine: Engine/M2	15
f54b	87	Fuse 54b	Valid for diesel engine: Diesel/D2	10
f55	87	Fuse 55	VGS control unit (N15/7) Electronic selector lever module control unit (N15/5) ETC [EGS] control unit (N15/3)	7.5
f56	87	Fuse 56	Differential locks	5
f57	30z	Fuse 57	Electronic auxiliary heater circuit 30	5
f58	15	Fuse 58	Fuse box (8 fuses) (F2)	40
f59	-	Fuse 59	High pressure/return flow pump (A7/3m1) ESP control unit (N30/4)	50
f60	-	Fuse 60	Spare	-
f61	-	Fuse 61	Interior socket (X58/1)	15
f62	30	Fuse 62	Light switch module (S1) Circuit 30 to data link connector (X11/4)	5
f63	30	Fuse 63	Light switch module (S1) Differential locks circuit 30	5
f64	-	Fuse 64	Spare	-
f65	-	Fuse 65	Electric air pump (M33) (on engine 273)	40

FUSE AND RELAY BOX FUSE ASSIGNMENT DESCRIPTION

Fuse	Circuit	Designation	Fused function	Fuse rating in amperes (A)
f1	-	Fuse 1	Spare	-
f2	-	Fuse 2	Valid for model 463.237/271 DC/AC converter control unit (N24/3)	25
f3	- - -	Fuse 3	Valid for code (EM8) TV tuner TV tuner (analog/digital) (A90/1) Valid for model 463.237/271 SDAR control unit (N87/5) Valid for code (RY6) Tire pressure monitor (TPM) Tire pressure monitor control unit (N88)	7.5
f4	-	Fuse 4	Fuel pump control unit (N118) Fuel pump (M3)	20
f5	-	Fuse 5	Spare	-
f6		Fuse 6	Fuel pump control unit (N118) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 with code (YF5) Engine compartment fire extinguishing system Fire extinguishing system control unit (N100)	7.5 5
f7	-	Fuse 7	Spare	-
f8	30	Fuse 8	Amplifier module 3, window antenna (A2/73) Valid for code (FZ5) Anti-theft alarm system (ATA [EDW]) or for code (FZ8) Anti-theft alarm system with interior protection ATA [EDW] inclination sensor (B33) Alarm signal horn with additional battery (H3/1)	7.5
f9	30	Fuse 9	Overhead control panel control unit (N70)	25
f10	30	Fuse 10	Heated rear window (R1)	20
f11	-	Fuse 11	Valid for model 463.303/340/341 with code (EF5) MB Audio 20 CD radio, (NTG 2.5) Radio (A2) Valid for code (EU1) COM AND, APS COMAND operating, display and controller unit (A40/3)	15
f12	-	Fuse 12	Transmission output speed sensor ballast (N36)	7.5
f13	15R	Fuse 13	Multicontour seat (special equipment) Valid for code (EU1) COMAND, APS with code (ZJ1) Japan version VICS+ETC voltage supply separation point (X137/1) Valid for model 463.237/271 115 V socket (X58/34)	5
f14	15	Fuse 14	Wiper motor (M6/1)	15
f15	30	Fuse 15	Fuel filler flap CL [ZV] motor (M14/10)	7.5
f16		Fuse 16	Valid for code (EH2) Comfort telephony Bluetooth module connector (X39/57)	5
f17	30	Fuse 17	Multicontour seat pneumatic pump (M40/1) (special equipment)	20
f18	30	Fuse 18	Trailer recognition control unit (N28/1) (special equipment) Valid for model 463.236 with code (ZS6) Special protection version FB6 or code (ZS7) Special protection version FB7 Special vehicle multifunction control unit (SVMCU [MSS]) (N26/9)	20 30
f19	30	Fuse 19	Trailer recognition control unit (N28/1) (special equipment)	20
f20	30	Fuse 20	Rear-end door central locking motor (M14/7)	10