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Home >> Mercedes Benz >> 2007 >> E550 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Electrical System, Equipment & Instructions - Basic Knowledge - 211 Chassis >> Basic Knowledge >> Fuse assignment of fuse box - GF54.15-P-1256 >> Fuse assignment of fuse and relay box in left engine compartment - GF54.15-P-1256-03TA

Fuse assignment of fuse and relay box in left engine compartment - GF54.15-P-1256-03TA

Driver-side fuse and relay module 

IMPORTANT The S relay (AIRmatic relay (K67)) and T (cutoff relay for interruptible loads (K75s)) are only clipped on to the driver-side SAM control unit with fuse and relay module.

Fig 1: Identifying Driver-Side Fuse And Relay Module - Left Engine Compartment
G04984312
Fuse Clamping device Cable ID (cable fused) Fused function Rating in amperes (A)
f43 87 1.5 RDBU Valid for engines 112, 113: 
Fused via circuit 87 M1i connector sleeve (Z7/38):
  • ME-SFI [ME] control unit (N3/10/)
 15
    1.5 BKYE Valid for engine 271: 
  • ME-SFI [ME] control unit (N3/10/)
  
    1.5 RDBU Valid for engines 646, 647:   
    0.75 RDBU
  • CDI control unit (N3/9)
  • Rear SAM control unit with fuse and relay module (N10/2/)
  
    2.5 RDBU Valid for engine 648: 
Fused via circuit 87 M1i connector sleeve (Z7/38):
  • CDI control unit (N3/9)
  • Rear SAM control unit with fuse and relay module (N10/2/)
  
f44 87 2.5 RDGN Valid for engine 648: 
Fused via circuit 87 M2i connector sleeve (Z7/39):
  • CDI control unit (N3/9)
 15
f45 87 0.75 RDGN Valid for code (489) AIRmatic (semiactive air suspension): 
  • AIRMATIC with ADS control unit (N51)

Valid for code (489) All-round level control system: 
  • Rear axle level control system control unit (N97)
 7.5
    0.5 RDBU Valid for code (423) Automatic 5-speed transmission (NAG): 
  • Electronic selector lever module control unit (N15/5)

Valid for code (424) Sequentronic automated manual transmission (SEQ): 
  • Gear recognition switch (S16/10)
  
f46 87 0.75 RDBU Valid for code (423) Automatic 5-speed transmission (NAG): 
  • ETC [EGS] control unit (N15/3/)

Valid for code (424) Sequentronic automated manual transmission (SEQ): 
  • Automated manual transmission control unit (N15/6/)
 7.5
f47 87 0.75 RDBU
  • ESP, SPS [PML] and BAS control unit (N47-5)
 5
f48 15 0.5 BKRD
  • Restraint systems control unit (N2/7/)
 7.5
f49 15R 0.5 PKBK
  • Restraint systems control unit (N2/7/)
 7.5
    0.5 PKBU
  • Front passenger seat occupied and child seat recognition sensor (B48)
 7.5
f50 15R 0.75 BKVT Valid for code (852) Complete portable CTEL preinstallation on dome: 
  • Portable CTEL separation point (X39/37)

Valid for code (498) Japanese version: 
  • VICS power supply separation point (X137/1)
 5
f51 15 - - 5
f52 15 0.75 BKBU
  • Rotary light switch (S1)

Fused via circuit 15 connector sleeve (Z3/11):
  • Instrument cluster (A1)
  • Glove compartment illumination with switch (E13/2)
 7.5
  15 0.5 BKVT Valid for code (614) bi-xenon headlamp unit: 
  • Headlamp range adjustment control unit (N71)
 7.5
f53a - - - -
f53b 30 1.0 YE
  • Fanfare horn relay (N10/1kO)
 15
f54a 15R 1.5 RDVT Cigarette lighter optionally fused via terminal 15R:
  • Cutoff relay for interruptible loads (K75)
 15
f54b 30 1.5 RDVT Cigarette lighter optionally fused via terminal 30:
  • Cutoff relay for interruptible loads (K75)
 15
f55 30 0.5 RDBK Valid for code (381) MB phone  7.5
    0.5 RD "Standard" in console on right side of tower: 
  • Telephone handset (A34)
  • Bluetooth module connector (X39/57)
  
    0.75 RD Valid for code (852) Complete portable CTEL preinstallation on dome: 
  • Portable CTEL separation point (X39/37)
  
f56 15R 4.0 RD
  • Wiper motor (M6/1)
 40
f57 87 2.5 RDGN Valid for engines 646, 647: 
  • CDI control unit (N3/9)
 25
    2.5 RDGN Valid for engine 648: 
  • CDI control unit (N3/9)
  
f58 15 1.5 BKYE Valid for engines 112, 113: 
Circuit 15 connector sleeve (fused) (Z3/29):
  • Cylinder 1 ignition coil (T1/1)
  • Cylinder 2 ignition coil (T1/2)
  • Cylinder 3 ignition coil (T1/3)
  • Cylinder 4 ignition coil (T1/4)
  • Cylinder 5 ignition coil (T1/5)
  • Ignition coil, cylinder 6 (T1/6)
  • Ignition coil, cylinder 7 (T1/7)
  • Ignition coil, cylinder 8 (T1/8)
 15
f59 15 -
  • Starter relay (N10/1kL)
 15
f60 30 2.5 RDBU Valid for engine 113.990 (E 55 AMG): 
  • Oil cooler fan (M4/1)
 15
f61 30 4.0 RDWH Valid for engine 112, 113, except engine 113.990 (E 55 AMG): 
  • Electric air pump (M33)
 40
f62 30 - Valid for code (424) Sequentronic automated manual transmission (SEQ): 
  • SEQ pump control relay (N10/1kM)
 30
f63 30 2.5 RD Valid for code (424) Sequentronic automated manual transmission (SEQ): 
  • Automated manual transmission control unit (N15/6/)

Valid for engines 112, 113: 
  • ME-SFI [ME] control unit (N3/10/)
 15
f64 30 0.75 RDBU
  • Rotary light switch (S1)
 7.5
    2.5 RDWH Fused via terminal 30 connector sleeve (Z7/1):
  • Instrument cluster (A1)
  • Steering column module (N80)
  • AAC [KLA] control and operating unit (N22)

Valid for code (581) comfort automatic air conditioning: 
  • Comfort AAC (N22/7C-AAC [K-KLA]) control and operating unit (/)
 7.5
f65 30 2.5 RD Fused via terminal 30 connector sleeve (Z7/58):
  • EIS [EZS] control unit (N73)
  • Electric steering lock control unit (N26/5)
 20
f66 15 1.5 BK
  • Right front lamp unit (E2)
  • Left front lamp unit (E1)

Valid for code (614) bi-xenon headlamp unit: 
  • HRA power module (E2n3)
  • HRA power module (E1n3)
 7.5
f67 30 0.5 RDGN
  • Stop light switch (S9/1)
 10
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