Mercedes-Benz E-Class W212 (2009-2016) – fuse box

Mercedes-Benz E-Class W212 (2009-2016) – fuse box diagram

Year of production: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.

The fuses for the cigarette lighter (power sockets) on the Mercedes-Benz E-Class are fuses 71 (front cigarette lighter), 72 (load compartment socket) in the luggage compartment fuse box and fuse 9 (in the glove compartment) in the engine compartment fuse box.

READ:  Mercedes-Benz ML W164 (2005-2011) - fuse box

Fuse panel

Mercedes-Benz E W212 – fuse box diagram

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 – 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

Mercedes-Benz E-Class w212 – fuse box diagram – engine compartment
Number Amperes [A] Description
1 25 Valid for left-hand drive vehicles:

Electronic stability program control unit;

Premium electronic stabilization program control unit ;

Hybrid:

Braking system control unit with energy regeneration;

For right-hand drive vehicles:  

Blower regulator.

2 30 until May 31, 2010:

Left front door control unit ;

Valid for vehicles with  the steering wheel  on the right side of the 01.06.2010 r:

Left rear door control unit .

3 30 until May 31, 2010:

Right front door control unit

Valid for vehicles with  the steering wheel  on the left side of the 01.06.2010 r:

Right rear door control unit

4 20 Valid with engine 157:  

Fuel system control unit;

Valid for engines 642, 651 up to May 31, 2010:  

Fuel filter condensation sensor with heating element.

7.5 Valid for engine 651 (with heated fuel filter installed) until May 31, 2010: 

Fuel filter condensation sensor control unit with heating element.

5 7.5 Instrument cluster;

Exterior lights switch;

Rear SAM control unit with fuse and relay module;

Valid from 01/03/2013:  

Electronic stability program control unit;

Valid from 01/03/2013:  

Premium Electronic Stability Program electronic control unit.

6 10 Valid for diesel engine:

CDI control unit;

Valid for gasoline engine:

ME-SFI control unit;

Valid for engine 271.958, 274.920:

CNG control unit.

7 20 Starter
8 7.5 Supplementary restraint system control unit
9 15 Glove box socket
10 30 Wiper motor;

Wiper parking heater.

11 7.5 Audio / COMAND display;

Audio / COMAND control panel;

Navigation module;

Stand for the navigation module;

COMAND fan motor.

12 7.5 ACC control and operating unit;

Upper control unit of the control panel;

Valid for transmission 722, 724, 725:  

Automatic transmission mode button;

AIRMATIC:  

Suspend button group.

13 7.5 Steering tube module control module;

Multifunction camera;

Stereo multifunction camera.

14 7.5 Electronic stability program control unit;

Electronic control unit for the premium stability program.

15 7.5 Supplementary restraint system control unit
16 5 Hybrid:

Electric refrigerant compressor

Valid with gearbox 722.930 / 931:  

DIRECT SELECT INTERFACE

Valid with the gearbox 722 (except 722.930 / 931):  

Electronic gear lever module control unit

17 30 Control panel with a control panel;

Control panel with panoramic sliding roof.

18 7.5 Exterior lights switch;

Hybrid:

Power electronics control unit;

Valid until February 28, 2013:

A group of switches on the instrument panel;

Control unit on the top panel;

Valid for gearbox 722 with ECO start / stop:  

Transmission oil auxiliary pump relay.

19 20 Valid with the exception of gearbox 722.9:

Electronic ignition lock control unit;

Electric steering wheel lock control unit.

20 40 Valid for left-hand drive vehicles:

Electronic stability program control unit;

Premium electronic control unit for electronic stabilization program;

Valid for left-hand drive vehicle, Hybrid:

Braking system control unit with energy recovery.

21 7.5 Front passenger seat occupancy recognition and ACSR Weight Sensing System (WSS) control unit;

with the exception of Hybrid until 02/28/2013:

Brake light switch

Hybrid until 02/28/2013:

Hybrid brake light switch;

Switched by a light switch in the glove compartment.

22 15 Valid for 650, 800 W fan motor:

Fan motor for internal combustion engine and air conditioning with integrated control;

Valid for engine 156:

Interior harness and engine harness electrical connector;

Circuit 87 M2e connector sleeve;

Valid for engine 157, 271, 272, 273, 274, 276, 278:

Electrical connector for inner harness and engine wiring harness;

Valid for engine 271, 272.98, 274.9, 276 and engine 651 (except 4MATIC):

Radiator shutter actuator;

Valid for engine 642, 651:

CDI control unit;

Electrical connector for inner harness and engine wiring harness.

23 20 Valid for diesel engine:

Rear SAM control unit with fuse and relay module;

Valid for engine 271, 642, 651:

Circuit 87 M1e connector sleeve;

Valid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651:

Electrical connector for inner harness and engine wiring harness;

Valid for engine 271:

ME-SFI control unit.

24 15 Valid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651:

Interior harness and engine harness electrical connector;

Valid for diesel engine: 

CDI control unit;

Valid for gasoline engine: 

ME-SFI control unit;

Valid for engines 271.958, 274.920:

CNG control unit.

25 15 Valid for engine 642, 651 with BlueTEC:

Nitrogen oxides control unit downstream of the particle filter;

Nitrogen oxides control unit downstream of the SCR catalyst;

Particulate sensor control unit;

Valid for gasoline engine:

ME-SFI control unit;

Hybrid:

Transmission coolant circulation pump;

HYBRID power electronics relay;

Coolant circulation pump relay;

Valid for engine 156:

Connector sleeve, circuit 87 M3e.

26 20 Radio;

Radio with an autopilot system;

COMAND control unit.

27 7.5 Valid for gasoline engine:

ME-SFI control unit;

Valid for diesel engine:

CDI control unit;

Electronic ignition lock control unit;

Valid for engine 271.958, 274.920:

CNG control unit.

28 7.5 Instrument cluster 
29 10 Valid until February 28, 2013:

Right headlight assembly 

30 10 Valid until February 28, 2013:

Left front headlight 

31A 15 Left horn;

Right horn.

31B 15 Left horn;

y our horn.

32 40 Valid for engine 272:

Electric air pump 

33 10 Valid for transmission 722.6:

Electronic gearbox control unit;

Valid for transmission 722.9, 724, 725:

Fully integrated gearbox control unit.

34 7.5 Valid for engine 156, 271, 272, 273, 642, 651:

Fuel system control unit.

35 7.5 Hybrid:

HYBRID control unit power supply relay.

36 7.5 Control unit – Night vision assistant;

Valid until February 28, 2013:

Electric controller DISTRONIC;

Valid from 01/03/2013:

Front long range radar sensor;

Valid from 01/03/2013:

COLLISION PREVENTION ASSIST driver.

Relay
J. Circuit 15 relay
K. Circuit 15R relay
L Wiper park position heater relay
M. Starter relay 50
N Engine circuit 87 Relay
O Horn relay
P. Valid for engine 272:  

Secondary air injection relay.

Q Transmission oil auxiliary pump relay
R Chassis circuit 87 relay

Fuse box in the trunk

Mercedes-Benz E W212 – fuses diagram – trunk
Number Description Amperes [A]
37 Driver’s seat – NECK-PRO headrest electromagnet;

Front passenger seat – NECK-PRO headrest solenoid valve.

7.5
38 Valid for model 212.2:  

Tailgate Wiper Motor

15
39 until May 31, 2010:

Left rear door control unit ;

Valid for vehicles with the steering wheel on the right side of 01/06/2010:

Left front door control unit .

30
40 Reserve
41 until May 31, 2010:

Right rear door control unit ;

Valid for vehicles with  the steering wheel  on the left side of the 01.06.2010 r:

Right front door control unit .

30
42 Fuel pump relay;Valid for engine 156, 271, 272, 273, 274, 276, 278, 642, 651:  

Fuel system control unit.

25
43 Telematics services communication module 7.5
44 Front passenger seat partially electric seat adjustment switch 30
45 Driver seat partially electric seat adjustment switch 30
46 FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier;

Rear window antenna amplifier 1 DAB band III antenna;

Alarm siren;

Interior and towing protection control unit;

Valid from 01/06/2011 for engine 157, 276, 278:  

Coolant circulation pump relay.

7.5
47 Reserve
48 Reserve
49 Rear window heating 40
50 Right front reversible emergency tensioner 50
51 Left front reversible emergency tension retractor 50
52 Reserve
53 Trailer recognition control unit 30
54 Trailer recognition control unit 15
55 Reserve
56 Trailer socket 15
57 Trailer recognition control unit 20
Illuminated front left door sill threshold strip voltage converter;

Front right illuminated door sill.

7.5
58 Trailer recognition control unit 25
59 Left front bumper DISTRONIC (DTR) sensor;

Right front bumper DISTRONIC (DTR) sensor.

7.5
60 Multicontour seat pneumatic pump 7.5
Dynamic air pump with multi-contour seat 30
61 Trunk lid control unit;Tailgate control unit. 40
62 Driver seat control unit 25
63 Rear seat heating control unit 25
64 Front passenger seat control unit 25
65 until February 28, 2013:  

Steering wheel heating controller

7.5
from 01/03/2013:

Steering wheel lamp module driver

10
66 Rear blower motor  7.5
67 Sound system amplifier control unit  40
68 AIRmatic control unit;

Electronic rear axle level control unit.

15
69 Rear subwoofer amplifier  25
70 Tire pressure monitor control unit 5
71 Vehicle interior socket, front;

Front cigarette lighter with ashtray illumination.

15
72 Trunk socket  15
73 Diagnostic connector;

Remote control receiver for stationary heater;

Valid with transmission 722.930 / 931:  

Transmission mode control unit.

5
74 KEYLESS-GO control unit;

Valid from 01/03/2013:  

Right front light;

Valid from 01/03/2013:  

Left front light;

Valid from 01/12/2011:  

DC / AC converter control unit.

15
75 Stationary heater;

2013 (with dynamic LED headlights):

Left front lamp unit;

Right front headlight.

20
Valid for engine 156:  

Oil cooler fan motor relay

25
76 Rear cup holder;Rear center console socket;

Rear USB electrical connector.

15
77 Rear cup holder;

Valid until 02/28/2013:  

Weight detection system (WSS) control unit;

Valid for vehicles in China and South Korea:

Navigation processor.

7.5
78 Multimedia interface control unit;

Multimedia connection unit.

7.5
79 Valid until May 31, 2010:  

Radar sensors control unit;

Valid from June 1, 2010:  

Video and radar sensor system control unit;

Valid from March 1, 2013: 

Landing gear gate control unit.

5
80 Parking system control unit  5
81 Antenna amplifier / compensator for a cellular telephone system;

Electric cell phone connector;

Navigation processor.

5
82 Left front seat ventilation blower regulator;

Right front seat ventilation blower regulator.

10
83 Circuit Connector Sleeve 15R;

Emergency call system control unit;

Valid until May 31, 2010:  

Navigation processor;

Japanese version:  

Electronic toll collection control unit.

7.5
84 Rear view camera power module;

Digital Audio Broadcasting control unit;

Valid until February 28, 2013:

Reversing camera control unit;

Valid from 01/03/2013:  

Rear view camera;

Valid until May 31, 2010:  

SDAR control unit / high definition tuner;

Valid from June 1, 2010:  

Satellite digital audio radio (SDAR) control unit;

Valid from 01/03/2013:  

360 ° camera control unit.

5
85 Valid until 02/28/2015:  

TV tuner (analog / digital);

Valid until 02/28/2015:

Digital television tuner;

Valid from 01/03/2015:

Tuner module .

7.5
86 DVD player;

Left rear display;

Right rear display.

7.5
87 Emergency call system control unit;

Special Vehicle Multifunctional Control Unit (SVMCU);

Valid from 01/06/2011 with engine 157, 274, 276, 278:

Coolant circulation pump relay;

Valid from 01/03/2015:

Telematics services communication module.

7.5
88 Valid with the 722.9 gearbox:

Intelligent servo module for DIRECT SELECT.

15
89 Trailer recognition control unit;

Vehicle specific multifunctional control unit (SVMCU);

Valid until 02/28/2013 with engine 157:

Fuel system control unit;

Valid from 01/03/2013 (with static LED headlights):

Right Headlight Assembly;

Left front headlight.

30
90 Coolant circulation pump relay;

Valid for engine 642.8 with BlueTEC:

AdBlue® fuse block.

40
91 Applies to transmission 722 with ECO start / stop function: 

Front SAM control unit with fuse and relay module.

10
92 Valid from 01/03/2013:

KEYLESS-GO control unit;

Valid from 01/03/2013:

Rear switch module;

Valid until November 30, 2011:

DC / AC converter control unit.

15
Relay
A Circuit 15 relay
B Circuit 15R relay (1)
C. Rear window heater relay
D Valid for diesel engine:  

Fuel pump relay

E. Windshield wiper relay
F. Seat adjustment relay
G. Circuit 15R relay (2)

Front electric fuse box

Mercedes-Benz E-Class W212 – fuse box diagram – front electric box
Number Description Amperes [A]
MR8 Pyrofuse, triggered by the control unit of the supplemental restraint system
MR1 Electric power steering control unit 50
MR2 Reserve
MR3 Reserve
MR4 Fan motor for combustion engine and air conditioning with integrated control 100
MR5 Valid for diesel engine:  

PTC heater amplifier

150
MR6 Applies to the battery of the  front on-board electrical system : 

Front SAM control unit with fuse and relay module.

60
MR7 Front SAM control unit with fuse and relay module 150
PIN1 Applies to left-hand drive vehicles:  

Blower regulator;

For  right-hand drive vehicles :

Electronic stability program control unit;

Premium Electronic Stability Program electronic control unit.

50
PIN2 For right-hand drive vehicles:

Electronic stability program control unit;

Premium stability program electronic control unit.

50
PIN3 AIRmatic relay;

Valid with the 725 gearbox:

In the  fully integrated transmission control unit.

60
MRG1 Reserve
MRG2 Front SAM control unit with fuse and relay module 100
IG1 Rear SAM control unit with fuse and relay module 150
I1 Applies to the battery of the front on-board electrical system: 

Rear SAM control unit with fuse and relay module.

100

Front electric fuse box (with ECO start / stop)

Mercedes-Benz E-Class W212 – fuse box diagram – front electric fuse box (with ECO start / stop)
Number Description Amperes [A]
MR8 Alternator;

Stationary heater control unit.

350
MR4 Fan motor for combustion engine and air conditioning with integrated control 100
MR5 Valid for diesel engine:

PTC heater amplifier.

150
MR6 Applies to the battery of the  front on-board electrical system : 

Front SAM control unit with fuse and relay module

60
MR7 Front SAM control unit with fuse and relay module 150
MR9 Reserve
MG2 Front SAM 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 Applies to the battery of the front on-board electrical system: 

Rear SAM control unit with fuse and relay module.

100
PIN1 Applies to left-hand drive vehicles:  

Blower regulator;

For  right-hand drive vehicles :

Premium Electronic Stability Program.

50
PIN2 For right-hand drive vehicles:

Electronic stability program control unit;

Premium stability program electronic control unit.

50
PIN3 AIRmatic relay;

Valid with the 725 gearbox:

In the  fully integrated transmission control unit.

60

Front electric fuse box (hybrid)

Mercedes-Benz E W212 – fuse box diagram – front electric fuse box (hybrid)
Number Description Amperes [A]
MR8 Pyrofuse, triggered by the control unit of the supplemental restraint system
MR4 Fan motor for combustion engine and air conditioning with integrated control 100
MR5 Valid for diesel engine:  

PTC heater amplifier

150
MR6 Applies to the battery of the  front on-board electrical system : 

Front SAM control unit with fuse and relay module

60
MR7 Front SAM control unit with fuse and relay module 150
MR9 HYBRID fuse and relay module 150
MG2 Front SAM 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 Applies to the battery of the front on-board electrical system: 

Rear SAM control unit with fuse and relay module.

100
PIN1 Valid for left-hand drive vehicles:  

Blower regulator;

For  right-hand drive vehicles :  

Braking system control unit with energy recovery.

50
PIN2 For right-hand drive vehicles:  

Braking system control unit with energy recovery

50
PIN3 AIRmatic 60

Rear pre-box

Mercedes-Benz E W212 – fuse box diagram – rear prefabricated box
Number Description Amperes [A]
170 Reserve
171 Front SAM control module with fuse and relay module 60
172 Rear SAM control unit with fuse and relay module 100

AdBlue fuse block

Mercedes-Benz E W212 – fuse box diagram – AdBlue fuse block
Number Description Amperes [A]
19 AdBlue® control unit 15
20 AdBlue® control unit 20
21 AdBlue® control unit 7.5
22 AdBlue® control unit 5

HYBRID fuse and relay module

Mercedes-Benz E W212 – fuse box diagram – hybrid fuse and relay module
Number Description Amperes [A]
130 Braking system control unit with energy recovery 5
131 Braking system control unit with energy recovery 5
132 Reserve
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 electronics circulation pump 1 7.5
138 Power electronics circulation pump 2 7.5
139 Valid for engine 651: 

Gear coolant circulation pump.

7.5
140 Vacuum pump relay (+) 40
141 Reserve
142 Reserve
Relay
S Gearbox coolant circulation pump relay
T. HYBRID control unit power supply relay
U HYBRID power electronics coolant circulation pump relay

Oil cooler fan motor relay (engine 157)

Mercedes-Benz E W212 – fuse box diagram – oil cooler fan motor relay (engine 157)

Relay

Mercedes-Benz E W212 – fuse box diagram – relay

F12 – Stationary fuse heater (hybrid)
F37 – Block fuse AdBlue  ®  (with the engine of 642.8 BlueTEC)
K27 / 7 – Relay power AdBlue  ®  (with the engine of BlueTEC 642.8)

Mercedes-Benz E W212 – fuse box diagram – relay

K60 – Coolant circulation pump relay (as of 01/06/2011 with engine 157, 274, 276, 278)
K67 – AIRMATIC relay
K109 – Vacuum pump relay (+) (hybrid)
K109 / 1 – Vacuum pump relay (-) (hybrid)

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