2009-2016 Mercedes-Benz E-Class (W212 / S212) Fuse Box Diagram
F32 - Front electrical prefuse box
F33 - Rear prefuse box (engine 273.9)
F96 - Additional battery circuit 30 fuse (7,5 A)(with ECO start/stop )
F270 - Additional battery protection (Hybrid)
K40/10 - HYBRID fuse and relay module (Hybrid)
K114 - ECO start/stop function additional battery relay
N10/1 - Front SAM control unit with fuse and relay module
N10/2 - Rear SAM control unit with fuse and relay module
Fuse box in the engine compartment
| No. | A | Description |
|---|---|---|
| 1 | 25 | LHD:
Electronic Stability Program control unit Premium Electronic Stability Program control unit Hybrid: Regenerative braking system control unit RHD: Blower regulator |
| 25 | RHD: Blower regulator | |
| 2 | 30 | →31.05.2010: Left front door control unit |
| 30 | RHD (01.06.2010→): Left rear door control unit | |
| 3 | 30 | →31.05.2010: Right front door control unit |
| 30 | LHD (01.06.2010→): Right rear door control unit | |
| 4 | 20 | M157: Fuel system control unit |
| 20 | OM642, OM651 (→31.05.2010): Fuel filter condensation sensor with heating element | |
| 7.5 | OM651 (with retrofitted heated fuel filter (→31.05.2010): Control unit for fuel filter condensation sensor with heating element | |
| 5 | 7.5 | Instrument cluster
Exterior lights switch Rear SAM control unit with fuse and relay module 01.03.2013→: Electronic Stability Program control unit 01.03.2013→: Premium Electronic Stability Program control unit |
| 6 | 10 | Diesel: CDI control unit |
| 10 | Gasoline: ME-SFI control unit | |
| 10 | M271.958, M274.920: CNG control unit | |
| 7 | 20 | Starter |
| 8 | 7.5 | Supplemental restraint system control unit |
| 9 | 15 | Glove compartment socket |
| 10 | 30 | Wiper motor
Wiper park position heater |
| 11 | 7.5 | Audio/COMAND display
Audio/COMAND control panel Navigation module Cradle for navigation module COMAND fan motor |
| 12 | 7.5 | ACC control and operating unit
Upper control panel control unit Valid for transmission 722, 724, 725: Automatic transmission transmission mode button AIRMATIC: Suspension button group |
| 13 | 7.5 | Steering column tube module control unit
Multifunction camera Stereo multifunction camera |
| 14 | 7.5 | Electronic Stability Program control unit
Premium Electronic Stability Program control unit |
| 15 | 7.5 | Supplemental restraint system control unit |
| 16 | 5 | Hybrid: Electrical refrigerant compressor
Valid for transmission 722.930/931: DIRECT SELECT INTERFACE Valid for transmission 722 (except 722.930/931): Electronic selector lever module control unit |
| 17 | 30 | Overhead control panel control unit
Panoramic sliding roof control module |
| 18 | 7.5 | Exterior lights switch
Hybrid: Power electronics control unit →28.02.2013: Instrument panel switch group Upper control panel control unit Valid for transmission 722 with ECO start/stop: Transmission oil auxiliary pump relay |
| 19 | 20 | except transmission 722.9:
Electronic ignition lock control unit Electric steering lock control unit |
| 20 | 40 | LHD:
Electronic Stability Program control unit Premium Electronic Stability Program control unit LHD (Hybrid): Regenerative braking system control unit |
| 21 | 7.5 | Front passenger seat occupied recognition and ACSR
Weight sensing system (WSS) control unit except Hybrid (→28.02.2013): Brake lights switch Hybrid (→28.02.2013): Hybrid brake light switch Switched through glove compartment lamp switch Glove compartment lamp |
| 22 | 15 | Fan motor 650 or 800 W: Fan motor for internal combustion engine and air conditioning with integrated control
M156: Electrical connector for interior harness and engine wiring harness Circuit 87 M2e connector sleeve M157, M271, M272, M273, M274, M276, M278: Electrical connector for interior harness and engine wiring harness M271, M272.98, M274.9, M276, OM651 (except 4MATIC): Radiator shutters actuator OM642, OM651: CDI control unit Electrical connector for interior harness and engine wiring harness |
| 23 | 20 | Diesel: Rear SAM control unit with fuse and relay module
271, 642, 651: Circuit 87 M1e connector sleeve M156, M157, M271, M272, M273, M274, M276, M278, OM642, OM651: Electrical connector for interior harness and engine wiring harness 271: ME-SFI control unit |
| 24 | 15 | M156, M157, M271, M272, M273, M274, M276, M278, OM642, OM651: Electrical connector for interior harness and engine wiring harness
Diesel: CDI control unit Gasoline: ME-SFI control unit M271.958, M274.920: CNG control unit |
| 25 | 15 | OM642, OM651 with BlueTEC:
Nitrogen oxides control unit downstream of diesel particulate filter Nitrogen oxides control unit downstream of the SCR catalytic converter Soot particulate sensor control unit Gasoline: ME-SFI control unit Hybrid: Transmission cooling coolant circulation pump relay HYBRID power electronics coolant circulation pump relay M156: Connector sleeve, circuit 87 M3e |
| 26 | 20 | Radio
Radio with auto pilot system COMAND controller unit |
| 27 | 7.5 | Gasoline: ME-SFI control unit
Diesel: CDI control unit Electronic ignition lock control unit M271.958, M274.920: CNG control unit |
| 28 | 7.5 | Instrument cluster |
| 29 | 10 | →28.02.2013: Right front lamp unit |
| 30 | 10 | →28.02.2013: Left front lamp unit |
| 31A | 15 | Left fanfare horn
Right fanfare horn |
| 31B | 15 | Left fanfare horn
Right fanfare horn |
| 32 | 40 | M272: Electric air pump |
| 33 | 10 | Valid for transmission 722.6: Electronic transmission control control unit
Valid for transmission 722.9, 724, 725: Fully integrated transmission control controller unit |
| 34 | 7.5 | M156, M271, M272, M273, OM642, OM651: Fuel system control unit |
| 35 | 7.5 | Hybrid: HYBRID control unit power supply relay |
| 36 | 7.5 | Night View Assist control unit
→28.02.2013: DISTRONIC electric controller unit 01.03.2013→: Front long-range radar sensor 01.03.2013→: COLLISION PREVENTION ASSIST controller unit |
| Relay | ||
| J | Circuit 15 | |
| K | Circuit 15R | |
| L | Wiper park position heater | |
| M | Starter circuit 50 | |
| N | Engine circuit 87 | |
| O | Horn | |
| P | M272: Secondary air injection | |
| Q | Transmission oil auxiliary pump | |
| R | Chassis circuit 87 | |
Gasoline:
- 1.6L - M274 (E180)
- 1.8L - M271 (E200 NGT BlueEFFICIENCY, E200 BlueEFFICIENCY, E250 BlueEFFICIENCY)
- 2.0L - M274 (E200, E200 Natural Gas Drive, E250)
- 3.0L - M272 (E300)
- 3.0L - M276 (E400, E400 4MATIC)
- 3.5L - M272 (E350 4MATIC, E350 BlueEFFICIENCY)
- 3.5L - M276 (E300, E300 4MATIC, E350, E350 4MATIC, E400, E400 4MATIC, E400 Hybrid)
- 4.7L - M278 (E500, E500 4MATIC)
- 5.5L - M273 (E500, E500 4MATIC)
- 5.5L - M157 (E63 AMG, E63 AMG 4MATIC, E63 AMG S 4MATIC)
- 6.2L - M156 (E63 AMG)
Diesel:
- 2.2L - OM 651 (E200 CDI, E200 BlueTEC, E220 CDI BlueEFFICIENCY, E220 CDI Edition, E220 BlueTEC BlueEFFICIENCY, E220 CDI, E220 BlueTEC, E220 BlueTEC 4MATIC, E250 CDI, E250 BlueTEC, E250 CDI 4MATIC, E250 BlueTEC 4MATIC, E300 BlueTEC HYBRID)
- 3.0L - OM642 (E300 CDI BlueEFFICIENCY, E300 BlueTEC, E350 CDI BlueEFFICIENCY, E350 BlueTEC, E350 BlueTEC, E350 BlueTEC 4MATIC, E350 BlueTEC, E350 BlueTEC 4MATIC, E350 CDI 4MATIC BlueEFFICIENCY)
Fuse box in the trunk
| No. | A | Description |
|---|---|---|
| 37 | 7.5 | Driver seat NECK-PRO head restraint solenoid
Front passenger seat NECK-PRO head restraint solenoid |
| 38 | 15 | W212.2: Tailgate wiper motor |
| 39 | 30 | →31.05.2010: Left rear door control unit
RHD (01.06.2010→): Left front door control unit |
| 40 | - | - |
| 41 | 30 | →31.05.2010: Right rear door control unit
LHD (01.06.2010→): Right front door control unit |
| 42 | 25 | Fuel pump relay
M156, M271, M272, M273, M274, M276, M278, OM642, OM651: Fuel system control unit |
| 43 | 7.5 | Telematics services communications module |
| 44 | 30 | Front passenger seat partially electric seat adjustment switch |
| 45 | 30 | Driver seat partially electric seat adjustment switch |
| 46 | 7.5 | FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier
Rear window antenna amplifier 1 DAB band III antenna Alarm siren Interior protection and tow-away protection control unit M157, M276, M278 (01.06.2011→): Coolant circulation pump relay |
| 47 | - | - |
| 48 | - | - |
| 49 | 40 | Rear window heater |
| 50 | 50 | Right front reversible emergency tensioning retractor |
| 51 | 50 | Left front reversible emergency tensioning retractor |
| 52 | - | - |
| 53 | 30 | Trailer recognition control unit |
| 54 | 15 | Trailer recognition control unit |
| 55 | - | - |
| 56 | 15 | Trailer socket |
| 57 | 20 | Trailer recognition control unit |
| 7.5 | Left front illuminated door sill molding voltage converter
Right front illuminated door sill molding voltage converter |
|
| 58 | 25 | Trailer recognition control unit |
| 59 | 7.5 | Left front bumper DISTRONIC (DTR) sensor
Right front bumper DISTRONIC (DTR) sensor |
| 60 | 7.5 | Multicontour seat pneumatic pump |
| 30 | Dynamic multicontour seat pneumatic pump | |
| 61 | 40 | Trunk lid control control unit
Tailgate control control unit |
| 62 | 25 | Driver seat control unit |
| 63 | 25 | Rear seat heater control unit |
| 64 | 25 | Front passenger seat control unit |
| 65 | 7.5 | →28.02.2013: Steering wheel heater control unit |
| 10 | 01.03.2013→: Steering column tube module control unit | |
| 66 | 7.5 | Rear blower motor |
| 67 | 40 | Sound system amplifier control unit |
| 68 | 15 | AIRmatic control unit
Rear axle electronic level control control unit |
| 69 | 25 | Rear bass speaker amplifier |
| 70 | 5 | Tire pressure monitor control unit |
| 71 | 15 | Vehicle interior socket, front
Front cigarette lighter with ashtray illumination |
| 72 | 15 | Cargo area socket |
| 73 | 5 | Diagnostic connector
Stationary heater radio remote control receiver Valid with transmission 722.930/931: Transmission mode control unit |
| 74 | 15 | KEYLESS-GO control unit
01.03.2013→: Right front lamp unit 01.03.2013→: Left front lamp unit 01.12.2011→: DC/AC converter control unit |
| 75 | 20 | Stationary heater unit
01.03.2013→ (with Dynamic LED headlamps): Left front lamp unit Right front lamp unit |
| 25 | M156: Oil cooler fan motor relay | |
| 76 | 15 | Rear cup holder
Rear center console socket Rear USB electrical connection |
| 77 | 7.5 | Rear cup holder
→28.02.2013: Weight sensing system (WSS) control unit China, South Korea: Navigation processor |
| 78 | 7.5 | Media interface control unit
Multimedia connection unit |
| 79 | 5 | →31.05.2010: Radar sensors control unit
01.06.2010→: Video and radar sensor system control unit 01.03.2013→: Chassis gateway control unit |
| 80 | 5 | Parking system control unit |
| 81 | 5 | Cellular telephone system antenna amplifier / compensator
Mobile phone electrical connector Navigation processor |
| 82 | 10 | Left front seat ventilation blower regulator
Right front seat ventilation blower regulator |
| 83 | 7.5 | Circuit 15R connector sleeve
Emergency call system control unit →31.05.2010: Navigation processor Japan: Electronic Toll Collection control unit |
| 84 | 5 | Reversing camera power supply module
Digital Audio Broadcasting control unit →28.02.2013: Reversing camera control unit 01.03.2013→: Reversing camera →31.05.2010: SDAR/high definition tuner control unit 01.06.2010→: Satellite digital audio radio (SDAR) control unit 01.03.2013→: 360° camera control unit |
| 85 | 7.5 | →28.02.2015: TV tuner (analog/digital)
→28.02.2015 : Digital TV tuner 01.03.2015→: Tuner unit |
| 86 | 7.5 | DVD player
Left rear display Right rear display |
| 87 | 7.5 | Emergency call system control unit
Special vehicle multifunction control unit (SVMCU) M157, M274, M276, M278 (01.06.2011→): Coolant circulation pump relay 01.03.2015→: Telematics services communications module |
| 88 | 15 | Valid with transmission 722.9: Intelligent servo module for DIRECT SELECT |
| 89 | 30 | Trailer recognition control unit
Special vehicle multifunction control unit (SVMCU) M157 (→28.02.2013): Fuel system control unit 01.03.2013→ (with Static LED headlamps): Right front lamp unit Left front lamp unit |
| 90 | 40 | Coolant circulation pump relay
OM642.8 with BlueTEC: AdBlue® fuse block |
| 91 | 10 | Valid for transmission 722 with ECO start/stop: Front SAM control unit with fuse and relay module |
| 92 | 15 | 01.03.2013→: KEYLESS-GO control unit
01.03.2013→: Rear switching module →30.11.2011: DC/AC converter control unit |
| Relay | ||
| A | Circuit 15 | |
| B | Circuit 15R (1) | |
| C | Rear window heater | |
| D | Diesel: Fuel pump | |
| E | Liftgate windshield wiper | |
| F | Seat adjustment | |
| G | Circuit 15R (2) | |
Front electrical prefuse box
| No. | A | Description |
|---|---|---|
| MR8 | - | Pyrofuse, triggered by Supplemental Restraint System control unit |
| MR1 | 50 | Electrical power steering control unit |
| MR2 | - | - |
| MR3 | - | - |
| MR4 | 100 | Fan motor for internal combustion engine and air conditioning with integrated control |
| MR5 | 150 | Diesel: PTC heater booster |
| MR6 | 60 | Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module |
| MR7 | 150 | Front SAM control unit with fuse and relay module |
| PIN1 | 50 | LHD: Blower regulator
RHD: Electronic Stability Program control unit Premium Electronic Stability Program control unit |
| PIN2 | 50 | RHD:
Electronic Stability Program control unit Premium Electronic Stability Program control unit |
| PIN3 | 60 | AIRmatic relay
Valid with transmission 725: Fully integrated transmission control unit |
| MRG1 | - | - |
| MRG2 | 100 | Front SAM control unit with fuse and relay module |
| IG1 | 150 | Rear SAM control unit with fuse and relay module |
| I1 | 100 | Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module |
Front electrical prefuse box (with ECO start/stop)
| No. | A | Description |
|---|---|---|
| MR8 | 350 | Alternator
Stationary heater control unit |
| MR4 | 100 | Fan motor for internal combustion engine and air conditioning with integrated control |
| MR5 | 150 | Diesel: PTC heater booster |
| MR6 | 60 | Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module |
| MR7 | 150 | Front SAM control unit with fuse and relay module |
| MR9 | - | - |
| MG2 | 100 | Front SAM control unit with fuse and relay module |
| MR3 | 80 | Electrical power steering control unit |
| IG1 | 150 | Rear SAM control unit with fuse and relay module |
| IM1 | 100 | Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module |
| PIN1 | 50 | LHD: Blower regulator
RHD: Electronic Stability Program control unit Premium Electronic Stability Program control unit |
| PIN2 | 50 | RHD:
Electronic Stability Program control unit Premium Electronic Stability Program control unit |
| PIN3 | 60 | AIRmatic relay
Valid with transmission 725: Fully integrated transmission control unit |
Front electrical prefuse box (Hybrid)
| No. | A | Description |
|---|---|---|
| MR8 | - | Pyrofuse, triggered by Supplemental Restraint System control unit |
| MR4 | 100 | Fan motor for internal combustion engine and air conditioning with integrated control |
| MR5 | 150 | Diesel: PTC heater booster |
| MR6 | 60 | Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module |
| MR7 | 150 | Front SAM control unit with fuse and relay module |
| MR9 | 150 | HYBRID fuse and relay module |
| MG2 | 100 | Front SAM control unit with fuse and relay module |
| MR3 | 80 | Electrical power steering control unit |
| IG1 | 150 | Rear SAM control unit with fuse and relay module |
| IM1 | 100 | Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module |
| PIN1 | 50 | LHD: Blower regulator
RHD: Regenerative braking system control unit |
| PIN2 | 50 | RHD: Regenerative braking system control unit |
| PIN3 | 60 | AIRmatic relay |
Rear prefuse box
| No. | A | Description |
|---|---|---|
| 170 | - | Reserve |
| 171 | 60 | Front SAM control module with fuse and relay module |
| 172 | 100 | Rear SAM control unit with fuse and relay module |
AdBlue fuse block
| No. | A | Description |
|---|---|---|
| 19 | 15 | AdBlue® control unit |
| 20 | 20 | AdBlue® control unit |
| 21 | 7.5 | AdBlue® control unit |
| 22 | 5 | AdBlue® control unit |
HYBRID fuse and relay module
| No. | A | Description |
|---|---|---|
| 130 | 5 | Regenerative braking system control unit |
| 131 | 5 | Battery management system control unit |
| 132 | - | - |
| 133 | 5 | Power electronics control unit |
| 134 | 5 | Vacuum pump relay (-) |
| 135 | 7.5 | Battery management system control unit |
| 136 | 7.5 | Pyrotechnical separator |
| 137 | 7.5 | Power electronics circulation pump 1 |
| 138 | 7.5 | Power electronics circulation pump 2 |
| 139 | 7.5 | OM651: Transmission cooling coolant circulation pump |
| 140 | 40 | Vacuum pump relay (+) |
| 141 | - | - |
| 142 | - | - |
| Relay | ||
| S | Transmission cooling coolant circulation pump | |
| T | HYBRID control unit power supply | |
| U | HYBRID power electronics coolant circulation pump | |
Additional fuses and relay
Oil cooler fan motor relay (M157)
F12 - Stationary heater fuse (Hybrid)
F37 - AdBlue® fuse block (with engine OM642.8 with BlueTEC)
K27/7 - AdBlue® supply relay (with engine OM642.8 with BlueTEC)
K60 - Coolant circulation pump relay (01.06.2011→ with engine M157, M274, M276, M278)
K67 - AIRMATIC relay
K109 - Vacuum pump relay (+) (Hybrid)
K109/1 - Vacuum pump relay (-) (Hybrid)