Mercedes-Benz E-Class W212 (2009-2016) – Fuse box diagram
Year of manufacture: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.
The fuses for the cigarette lighter (power outlet) in the Mercedes-Benz E-Class are fuse 71 (front cigarette lighter), fuse 72 (load compartment outlet) in the fuse holder, and fuse 9 (in the glove box) in the fuse box in the engine compartment.
Fuse Panel
F32 – Front electric fuse box
F33 – Rear fuse box (engine 273.9)
F96 – Additional battery circuit 30 (7.5 A) (with ECO start/stop)
F270 – Additional battery protection (hybrid)
K40 / 10 – Fuse and HYBRID relay module (hybrid)
K114 – ECO start / stop function additional battery relay
N10 / 1 – SAM front control unit with fuse and relay module
N10 / 2 – Rear SAM control unit with fuse and relay module
Fuse box in engine compartment
| Number | Amps [A] | Description |
| 1 | 25 | Valid for vehicle with left side steering wheel:
Electronic stability program control unit; Electronic control unit premium stabilization program; Hybrid: Brake system control unit with energy recovery; Applies to right-hand drive vehicles: Fan regulator. |
| 2 | 30 | until 31.05.2010
Controller left front door; Valid for vehicles with steering wheel on the right, as of 01.06.2010: Controller Left rear door. |
| 3 | 30 | until 31.05.2010
Controller right front door Valid for vehicles with steering wheel on the left as of 01.06.2010: Controller Right rear door |
| 4 | 20 | Valid with engine 157:
Fuel system control unit; Valid for engines 642, 651 until 31.05.2010: Fuel filter condensation sensor with heating element. |
| 7,5 | Valid for engine 651 (with heated fuel filter fitted) until 31.05.2010:
Control unit for the fuel filter condensation sensor with heating element. |
|
| 5 | 7,5 | Indicator set;
Outdoor light switch; Rear SAM control unit with fuse and relay module; Valid as of 01.03.2013: Electronic control unit for the stability program; Valid from 01.03.2013: Electronic control unit for the Premium Electronic Stability Program. |
| 6 | 10 | Valid for diesel engine:
CDI control unit; Valid for gasoline engine: ME-SFI control unit; Valid for motor 271.958, 274.920: CNG control unit. |
| 7 | 20 | Starter |
| 8 | 7,5 | Additional control unit for the restraint system |
| 9 | 15 | Glovebox socket |
| 10 | 30 | Windshield wiper motor;
Windshield wiper parking heater. |
| 11 | 7,5 | Audio Screen / COMM;
Audio / COMMAND control panel; Navigation module; Base for navigation module; COMMAND the fan motor. |
| 12 | 7,5 | ACC control and operations unit;
Upper control panel control unit; Applies to transmissions 722, 724, 725: Automatic transmission mode button; AERMATIC: Suspension button group. |
| 13 | 7,5 | Steering tube control module;
Multifunction camera; Multifunction stereo camera. |
| 14 | 7,5 | Electronic control unit for the stability program;
Electronic control unit for the premium stability program. |
| 15 | 7,5 | Additional control unit for the restraint system |
| 16 | 5 | Hybrid:
Electric refrigerant compressor Valid with 722.930 / 931 gearbox: DIRECT SELECTION INTERFACE Valid with 722 gearbox (except 722.930 / 931): Electronic control unit for shift lever module |
| 17 | 30 | Control panel with control panel;
Control panel with sliding panoramic ceiling. |
| 18 | 7,5 | Outdoor light switch;
Hybrid: Power electronics control unit; Valid until 28.02.2013: Instrument panel switch group; Control unit on the top panel; Valid for 722 gearbox with ECO start/stop: Relay for auxiliary transmission oil pump. |
| 19 | 20 | Valid except for 722.9 gears:
Electronic ignition interlock control unit; Electric steering lock control unit. |
| 20 | 40 | Valid for vehicle with left side steering wheel:
Electronic stability program control unit; Premium electronic control unit for the electronic stability program; Applies to vehicle with left-hand drive wheel, Hybrid: Brake control unit with energy recovery. |
| 21 | 7,5 | Front passenger seat occupancy recognition and ACSR Weight Sensing System (WSS) control unit;
except Hybrid until 28.02.2013: Brake light switch Hybrid until 28.02.2013: Hybrid brake light switch; Switchable via the light switch in the glove box. |
| 22 | 15 | Valid for 650, 800 W fan motor:
Fan motor for combustion engine and air conditioner with integrated control; Valid for 156 engine: Electrical connector for internal wiring harness and motor wiring harness; 87 M2e circuit connection bushing; Valid for motor 157, 271, 272, 273, 274, 276, 278: Electrical connector of the internal harness and motor wiring harness; Valid for engine 271, 272.98, 274.9, 276 and engine 651 (except 4MATIC): Radiator louvre actuator; Applies to the 642, 651 engine: CDI control unit; Electrical connector for internal wiring and motor wiring. |
| 23 | 20 | Applies to the diesel engine:
Rear SAM control unit with fuse and relay module; Valid for engine 271, 642, 651: 87 M1e circuit connection bushing; Valid for motor 156, 157, 271, 272, 273, 274, 276, 278, 642, 651: Electrical connector of the internal harness and motor wiring harness; Applies to motor 271: ME-SFI control unit. |
| 24 | 15 | Valid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651:
Electrical connector for internal wiring harness and motor wiring harness; Applies to diesel engine: CDI control unit; Applies to gasoline engine: ME-SFI control unit; Valid for motors 271.958, 274.920: CNG control unit. |
| 25 | 15 | Valid for 642, 651 engine with BlueTEC:
Nitrogen oxides control unit downstream of the particulate filter; Nitrogen oxides control unit downstream of the SCR catalytic converter; Particulate matter sensor control unit; Applies to gasoline engine: ME-SFI control unit; Hybrid: Transmission coolant circulation pump; HYBRID power electronic relay; Coolant circulation pump relay; Valid for 156 engine: Coupling sleeve, circuit 87 M3e. |
| 26 | 20 | Radio;
Radio with autopilot system; Control unit COMAND. |
| 27 | 7,5 | Valid for gasoline engine:
ME-SFI control unit; Valid for diesel engine: CDI control unit; Electronic ignition interlock control unit; Applies to engine 271,958, 274,920: CNG control unit. |
| 28 | 7,5 | Instrument cluster |
| 29 | 10 | Valid until 28.02.2013:
Right front light assembly |
| 30 | 10 | Valid until 28.02.2013:
Front left headlight |
| 31A | 15 | Left horn;
Right horn. |
| 31B | 15 | Left horn;
PRAW Horn. |
| 32 | 40 | Valid for engine 272:
Electric Air Pump |
| 33 | 10 | Valid for transmission 722.6:
Electronic transmission control unit; Valid for transmission 722,9, 724, 725: Fully integrated transmission control unit . |
| 34 | 7,5 | Valid for engine 156, 271, 272, 273, 273, 642, 651:
Fuel system control unit. |
| 35 | 7,5 | Hybrid:
HYBRID control unit power relay. |
| 36 | 7,5 | Control unit – Night vision assistant;
Valid until 28.02.2013: DISTRONIC electrical controller; Valid from 01.03.2013: Front long range radar sensor; Effective 01.03.2013: COLLISION PREVENTION ASSISTANCE controller. |
| Relay | ||
| J | Relay Circuit 15 | |
| K. | Circuit 15R relay | |
| L | Windshield wiper parking position heater relay | |
| M | Starter Relay 50 | |
| N | Motor Circuit 87 Relay | |
| O | Horn relay | |
| P. | Valid for engine 272:
Secondary air injection relay. |
|
| Q | Relay for auxiliary transmission oil pump | |
| R | 87 relay chassis circuit | |
Startup fuse box
| Number | Description | Amps [A] |
| 37 | Driver’s seat – NECK-PRO headrest solenoid;
Front passenger seat – NECK-PRO head restraint solenoid. |
7,5 |
| 38 | Valid for model 212.2:
Rear door wiper motor |
15 |
| 39 | until 31.05.2010
Controller left rear door ; Valid for vehicles with steering wheel on the right, as of 01.06.2010: Controller left front door. |
30 |
| 40 | Reservation | – |
| 41 | until 31.05.2010
Controller Right rear door; Valid for vehicles with steering wheel on the left as of 01.06.2010: Controller Right front door. |
30 |
| 42 | Fuel pump relay;
Applies to engine 156, 271, 272, 273, 274, 276, 278, 642, 651: Fuel system control unit. |
25 |
| 43 | Telematics Service Communication Module | 7,5 |
| 44 | Front passenger seat electric partial adjustment switch | 30 |
| 45 | Driver’s seat electrical partial adjustment switch | 30 |
| 46 | FM 1, AM, CL antenna amplifier [ZV] and KEYLESS-GO;
Rear window antenna amplifier 1 band III DAB antenna; Alarm siren; Control unit for interior protection and trailer protection; Valid from 01.06.2011 for engine 157, 276, 278: Coolant circulation pump relay. |
7,5 |
| 47 | Reservation | – |
| 48 | Reservation | – |
| 49 | Rear window heating | 40 |
| 50 | Emergency voltage reversible right front retractor | 50 |
| 51 | Front left reversible emergency voltage retractor | 50 |
| 52 | Reservation | – |
| 53 | Trailer recognition control unit | 30 |
| 54 | Trailer recognition control unit | 15 |
| 55 | Reservation | – |
| 56 | Trailer Socket | 15 |
| 57 | Trailer recognition control unit | 20 |
| Illuminated voltage converter of the left front door sill;
Right front door illuminated threshold. |
7,5 | |
| 58 | Trailer recognition control unit | 25 |
| 59 | Front left DISTRONIC (DTR) sensor;
Right front bumper DISTRONIC (DTR) sensor. |
7,5 |
| 60 | Pneumatic multicontour pump with seat | 7,5 |
| Pneumatic dynamic pump with multi-contour seat | 30 | |
| 61 | Boot lid control;
Tailgate control. |
40 |
| 62 | Driver’s seat control unit | 25 |
| 63 | Rear seat heater control unit | 25 |
| 64 | Front passenger seat control unit | 25 |
| 65 | until 28.02.2013
Steering wheel heating controller |
7,5 |
| as of 01.03.2013
Steering wheel lamp module controller |
10 | |
| 66 | Rear fan motor | 7,5 |
| 67 | Sound system amplifier control unit | 40 |
| 68 | AIRmatic control unit;
Electronic control unit for the rear axle level. |
15 |
| 69 | Rear bass speaker amplifier | 25 |
| 70 | Control unit of the tire pressure monitor | 5 |
| 71 | Inner vehicle socket, front;
Front cigarette lighter with illuminated ashtray. |
15 |
| 72 | Plug socket | 15 |
| 73 | Diagnostic connector;
Remote control receiver for stationary heater; Valid with 722.930 / 931 transmission: Transmission mode control unit. |
5 |
| 74 | KEYLESS-GO Control Unit;
Valid from 01.03.2013: Right front light; Valid as of 01.03.2013: Left front light; Effective 01.12.2011: DC / AC converter control unit. |
15 |
| 75 | Stationary heater;
Valid from 01.03.2013 (with dynamic LED headlights): Left front light unit; Right front light unit. |
20 |
| Valid for the 156 engine:
Oil cooling fan motor relay |
25 | |
| 76 | Rear cup holder;
Rear center console socket ; Rear USB electrical connector. |
15 |
| 77 | Rear cup holder;
Valid until 28.02.2013: Weight sensing system (WSS) control unit; Valid for vehicles in China and South Korea: Navigation Processor. |
7,5 |
| 78 | Multimedia interface control unit;
Multimedia interface control unit. |
7,5 |
| 79 | Valid until 31.05.2010:
Radar sensor control unit; Effective 01.06.2010 ..: Control unit for video system and radar sensor; Effective 01.03.2013 ..: Chassis gate control unit. |
5 |
| 80 | Parking system control unit | 5 |
| 81 | Antenna amplifier/compensator for cell phone system;
Electrical connector for cell phones; Navigation processor . |
5 |
| 82 | Left front seat ventilation fan regulator;
Right front seat ventilation fan regulator. |
10 |
| 83 | 15R circuit connection bushing;
Control unit for the emergency call system; Valid until 31.05.2010: Navigation Processor; Japanese version: Electronic toll collection control unit. |
7,5 |
| 84 | Reversing chamber power supply module;
Digital audio broadcasting control unit; Valid until 28.02.2013: Reversing camera control unit; Valid from 01.03.2013: Reverse Reversing Camera; Valid until 31.05.2010: SDAR control unit / high definition tuner; Valid from 01.06.2010: Satellite digital audio radio control unit (SDAR); Valid from 01.03.2013: 360° camera control unit. |
5 |
| 85 | Valid until 28.02.2015:
TV tuner (analog/digital); Valid until 28.02.2015: Digital TV tuner; Effective 01.03.2015: Module tuner. |
7,5 |
| 86 | DVD Player;
Left rear display; Right rear display . |
7,5 |
| 87 | Control unit for the emergency call system;
Special multifunctional vehicle control unit (SVMCU); Valid from 01.06.2011 with engine 157, 274, 276, 278: Coolant circulation pump relay; Valid as of 01.03.2015: Telematics service communication module. |
7,5 |
| 88 | Valid with 722.9 gearbox:
Intelligent servo module for DIRECT SELECT. |
15 |
| 89 | Trailer recognition control unit;
Special multifunctional vehicle control unit (SVMCU); Valid until 28.02.2013 with engine 157: Fuel system control unit; Valid from 01.03.2013 (with static LED headlights): Right front light assembly; Left headlight assembly. |
30 |
| 90 | Coolant circulation pump relay;
Applies to the 642.8 engine with BlueTEC: AdBlue® fuse block. |
40 |
| 91 | Applies to 722 transmission with ECO start/stop function:
SAM front control unit with fuse and relay module. |
10 |
| 92 | Effective 01.03.2013:
KEYLESS-GO Control Unit; Valid from 01.03.2013: Rear switching module; Valid until 30.11.2011: DC / AC converter control unit. |
15 |
| Relay |
||
| A | Relay Circuit 15 | |
| B | Circuit 15R relay (1) | |
| C | Rear Window Heating Relay | |
| D | Applies to the diesel engine:
Fuel pump relay |
|
| E | Windshield Wiper Relay | |
| F | Seat adjustment relay | |
| G | 15R relay circuit (2) | |
Front electrical fuse box
| Number | Description | Amps [A] |
| MR8 | Pyrofuse, driven by the control unit of the additional security system | – |
| MR1 | Electric power steering control unit | 50 |
| MR2 | Reservation | – |
| MR3 | Reservation | – |
| MR4 | Fan motor for internal combustion engine and air conditioner with integrated controls | 100 |
| MR5 | Valid for diesel engine:
PTC heater |
150 |
| MR6 | Applies to the on-board electrical system battery with Front:
SAM front control unit with fuse and relay module. |
60 |
| MR7 | SAM front control unit with fuse and relay module | 150 |
| PIN1 | Applies to vehicles with left-hand drive wheel:
Fan regulator; Refers to vehicles with steering wheel Right side: Electronic control unit for the stability program; Premium Electronic Stability Program Control Unit. |
50 |
| PIN2 | Applies to vehicles with right-hand steering wheel:
Electronic stability program control unit; Premium electronic stability program control unit. |
50 |
| PIN3 | AIRmatic Relay;
Valid with transmission 725: W Fully integrated gearbox control unit. |
60 |
| MRG1 | Reserve | – |
| MRG2 | SAM front control unit with fuse and relay module | 100 |
| IG1 | Rear SAM control unit with fuse and relay module | 150 |
| I1 | This refers to the on-board electrical system battery in the front:
Rear SAM control unit with fuse and relay module. |
100 |
Front electric fuse box (with ECO start/stop)
| Number | Description | Amps [A] |
| MR8 | Alternator;
Stationary heater control unit. |
350 |
| MR4 | Fan motor for internal combustion engine and air conditioner with integrated controls | 100 |
| MR5 | Applies to the diesel engine:
PTC heater. |
150 |
| MR6 | Applies to the on-board electrical system battery with front:
SAM front control unit with fuse and relay module |
60 |
| MR7 | SAM front control unit with fuse and relay module | 150 |
| MR9 | Reservation | – |
| MG2 | SAM front control unit with fuse and relay module | 100 |
| MR3 | Electric power steering control unit | 80 |
| IG1 | Rear SAM control unit with fuse and relay module | 150 |
| IM1 | You are referring to the on-board electrical system battery in the front:
Rear SAM control unit with fuse and relay module. |
100 |
| PIN1 | Applies to vehicles with left-hand drive wheel:
Fan regulator; Refers to vehicles with steering wheel Right side: Premium Electronic Stability Program Control Unit. |
50 |
| PIN2 | Applies to vehicles with right-hand steering wheel:
Electronic stability program control unit; Premium electronic stability program control unit. |
50 |
| PIN3 | AIRmatic Relay;
Valid with transmission 725: W Fully integrated gearbox control unit. |
60 |
Electric front (hybrid) fuse box
| Number | Description | Amps [A] |
| MR8 | Pyrofuse, driven by the control unit of the additional security system | – |
| MR4 | Fan motor for combustion engine and air conditioner with integrated control | 100 |
| MR5 | Valid for diesel engine:
PTC heater |
150 |
| MR6 | Refers to the on-board electrical system battery with front:
SAM front control unit with fuse and relay module |
60 |
| MR7 | SAM front control unit with fuse and relay module | 150 |
| MR9 | Fuse and relay module HYBRID | 150 |
| MG2 | SAM front control unit with fuse and relay module | 100 |
| MR3 | Electric power steering control unit | 80 |
| IG1 | Rear SAM control unit with fuse and relay module | 150 |
| IM1 | You are referring to the on-board electrical system battery in the front:
Rear SAM control unit with fuse and relay module. |
100 |
| PIN1 | Applies to left-hand drive vehicles:
Fan regulator; Refers to vehicles with steering wheel Right side: Brake system control unit with energy recovery. |
50 |
| PIN2 | Applies to right-hand drive vehicles:
Brake system control unit with energy recovery |
50 |
| PIN3 | AIRmatic | 60 |
Rear inbox
| Number | Description | Amps [A] |
| 170 | Reservation | – |
| 171 | SAM front control module with fuse and relay module | 60 |
| 172 | Rear SAM control unit with fuse and relay module | 100 |
AdBlue Fuse Block
| Number | Description | Amps [A] |
| 19 | AdBlue Control Unit | 15 |
| 20 | AdBlue control unit | 20 |
| 21 | AdBlue Control Unit | 7,5 |
| 22 | AdBlue Control Unit | 5 |
Fuse and relay module HYBRID
| Number | Description | Amps [A] |
| 130 | Brake system control unit with energy recuperation | 5 |
| 131 | Brake system control unit with energy recuperation | 5 |
| 132 | Reservation | – |
| 133 | Power electronics control unit | 5 |
| 134 | Vacuum pump relay (-) | 5 |
| 135 | Battery management system control unit | 7,5 |
| 136 | Pyrotechnic separator | 7,5 |
| 137 | Power Electronic Circulation Pump 1 | 7,5 |
| 138 | Power Electronic Circulation Pump 2 | 7,5 |
| 139 | Valid for the 651 engine:
Transmission coolant circulation pump. |
7,5 |
| 140 | Vacuum pump relay (+) | 40 |
| 141 | Reservation | – |
| 142 | Reservation | – |
| Relay |
||
| S | Transmission coolant circulation pump relay |
|
| T | HYBRID control unit power relay | |
| U | HYBRID power electronic coolant circulation pump relay | |
Oil cooling fan motor relay (engine 157)
Relay
F12 – Stationary heater fuse (hybrid)
F37 – AdBlue Fuse Block ® (with 642.8 engine with BlueTEC)
K27 / 7 – AdBlue supply relay ® (with 642.8 engine with BlueTEC)
K60 – relay for coolant circulation pump (from 01.06.2011 with engine 157, 274, 276, 278)
K67 – AIRMAPHIC Relay
K109 – Vacuum pump relay (+) (hybrid)
K109 / 1 – Vacuum pump relay (-) (hybrid)
