Mercedes-Benz E-Class Fuse Box Locations and Diagrams (2009-2016)
The fourth-generation Mercedes-Benz E-Class (W212), produced from 2009 to 2016, is a luxury midsize sedan and wagon known for its sophisticated design, cutting-edge technology, and high-performance engine options. Designed to deliver a perfect balance of comfort, efficiency, and sportiness, the W212 remains one of Mercedes-Benz’s most popular executive vehicles.
In this article, you will find fuse box diagrams for the Mercedes-Benz E-Class, covering models E200, E220, E250, E300, E350, E400, E500, and E63 AMG for the years 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016. These diagrams provide crucial insights into the fuse layout, helping vehicle owners, mechanics, and technicians locate and understand the function of each fuse and relay.
What’s Included:
Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers.
Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Mercedes-Benz E-Class.
Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.
Whether you’re searching for the fuse panel layout, replacing a blown fuse, or diagnosing an electrical issue, this guide is an essential resource. It ensures that your Mercedes-Benz E-Class’s electrical system remains functional and reliable for executive travel, long-distance cruising, and high-performance driving.
Keep your Mercedes-Benz E-Class (2009–2016) in top condition with this detailed fuse box, fuse panel, and relay guide!
The cigar lighter (power outlet) fuses in the Mercedes-Benz E-Class are:
Luggage Compartment Fuse Box:
Fuse №71: Front Interior Socket, Front Cigarette Lighter
It is located on the right side of the luggage compartment, behind the cover.
Fuse box diagram
Assignment of the fuses and relay in the trunk
№
Fused component
Amp
37
Driver seat NECK-PRO head restraint solenoid Front passenger seat NECK-PRO head restraint solenoid
7.5
38
Valid for model 212.2: Tailgate wiper motor
15
39
up to 31.05.2010: Left rear door control unit Valid for right-hand drive vehicles as of 01.06.2010: Left front door control unit
30
40
Spare
–
41
up to 31.05.2010: Right rear door control unit Valid for left-hand drive vehicles as of 01.06.2010: 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 communications 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 protection and tow-away protection control unit Valid as of 01.06.2011 on engine 157, 276, 278: Coolant circulation pump relay
7.5
47
Spare
–
48
Spare
–
49
Rear window heater
40
50
Right front reversible emergency tensioning retractor
50
51
Left front reversible emergency tensioning retractor
50
52
Spare
–
53
Trailer recognition control unit
30
54
Trailer recognition control unit
15
55
Spare
–
56
Trailer socket
15
57
Trailer recognition control unit
20
57
Left front illuminated door sill molding voltage converter Right front illuminated door sill molding voltage converter
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
60
Dynamic multicontour seat pneumatic pump
30
61
Trunk lid control control unit Tailgate control control unit
40
62
Driver seat control unit
25
63
Rear seat heater control unit
25
64
Front passenger seat control unit
25
65
up to 28.02.2013: Steering wheel heater control unit
7.5
65
as of 01.03.2013: Steering column tube module control unit
10
66
Rear blower motor
7.5
67
Sound system amplifier control unit
40
68
AIRmatic control unit Rear axle electronic level control control unit
15
69
Rear bass speaker amplifier
25
70
Tire pressure monitor control unit
5
71
Vehicle interior socket, front Front cigarette lighter with ashtray illumination
15
72
Cargo area socket
15
73
Diagnostic connector Stationary heater radio remote control receiver Valid with transmission 722.930/931: Transmission mode control unit
5
74
KEYLESS-GO control unit Valid as of 01.03.2013: Right front lamp unit Valid as of 01.03.2013: Left front lamp unit Valid as of 01.12.2011: DC/AC converter control unit
15
75
Stationary heater unit Valid as of 01.03.2013 (with Dynamic LED headlamps: Left front lamp unit Right front lamp unit
20
75
Valid for engine 156: Oil cooler fan motor relay
25
76
Rear cup holder Rear center console socket Rear USB electrical connection
15
77
Rear cup holder Valid until 28.02.2013: Weight sensing system (WSS) control unit Valid for China, South Korea vehicles: Navigation processor
7.5
78
Media interface control unit Multimedia connection unit
7.5
79
Valid up to 31.05.2010: Radar sensors control unit Valid as of 01.06.2010: Video and radar sensor system control unit Valid as of 01.03.2013: Chassis gateway control unit
5
80
Parking system control unit
5
81
Cellular telephone system antenna amplifier / compensator Mobile phone electrical connector Navigation processor
5
82
Left front seat ventilation blower regulator Right front seat ventilation blower regulator
10
83
Circuit 15R connector sleeve Emergency call system control unit Valid until 31.05.2010: Navigation processor Japan version: Electronic Toll Collection control unit
7.5
84
Reversing camera power supply module Digital Audio Broadcasting control unit Valid up to 28.02.2013: Reversing camera control unit Valid as of 01.03.2013: Reversing camera Valid up to 31.05.2010: SDAR/high definition tuner control unit Valid as of 01.06.2010: Satellite digital audio radio (SDAR) control unit Valid as of 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 Valid as of 01.03.2015: Tuner unit
7.5
86
DVD player Left rear display Right rear display
7.5
87
Emergency call system control unit Special vehicle multifunction control unit (SVMCU) Valid as of 01.06.2011 with engine 157, 274, 276, 278: Coolant circulation pump relay Valid as of 01.03.2015: Telematics services communications module
7.5
88
Valid with transmission 722.9: Intelligent servo module for DIRECT SELECT
15
89
Trailer recognition control unit Special vehicle multifunction control unit (SVMCU) Valid up to 28.02.2013 with engine 157: Fuel system control unit Valid as of 01.03.2013 (with Static LED headlamps): Right front lamp unit Left front lamp unit
30
90
Coolant circulation pump relay Valid for engine 642.8 with BlueTEC: AdBlue® fuse block
40
91
Valid for transmission 722 with ECO start/stop function: Front SAM control unit with fuse and relay module
10
92
Valid as of 01.03.2013: KEYLESS-GO control unit Valid as of 01.03.2013: Rear switching module Valid until 30.11.2011: DC/AC converter control unit
The fuse box is located in the engine compartment oh the driver’s side, under the cover.
Fuse box diagram
Assignment of the fuses and relay in the engine compartment
№
Fused component
Amp
1
Valid for left-hand drive vehicle: Electronic Stability Program control unit Premium Electronic Stability Program control unit Hybrid: Regenerative braking system control unit Valid for right-hand drive vehicles: Blower regulator
25
2
up to 31.05.2010: Left front door control unit Valid for right-hand drive vehicles as of 01.06.2010: Left rear door control unit
30
3
up to 31.05.2010: Right front door control unit Valid for left-hand drive vehicles as of 01.06.2010: Right rear door control unit
30
4
Valid with engine 157: Fuel system control unit Valid for engine 642, 651 up to 31.05.2010: Fuel filter condensation sensor with heating element
20
4
Valid for engine 651 (with retrofitted heated fuel filter) up to 31.05.2010: Control unit for fuel filter condensation sensor with heating element
7.5
5
Instrument cluster Exterior lights switch Rear SAM control unit with fuse and relay module Valid as of 01.03.2013: Electronic Stability Program control unit Valid as of 01.03.2013: Premium Electronic Stability Program control unit
7.5
6
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
10
7
Starter
20
8
Supplemental restraint system control unit
7.5
9
Glove compartment socket
15
10
Wiper motor Wiper park position heater
30
11
Audio/COMAND display Audio/COMAND control panel Navigation module Cradle for navigation module COMAND fan motor
7.5
12
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
7.5
13
Steering column tube module control unit Multifunction camera Stereo multifunction camera
7.5
14
Electronic Stability Program control unit Premium Electronic Stability Program control unit
7.5
15
Supplemental restraint system control unit
7.5
16
Hybrid: Electrical refrigerant compressor Valid with transmission 722.930/931: DIRECT SELECT INTERFACE Valid for transmission 722 (except 722.930/931): Electronic selector lever module control unit
5
17
Overhead control panel control unit Panoramic sliding roof control module
30
18
Exterior lights switch Hybrid: Power electronics control unit Valid up to 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
7.5
19
Valid except transmission 722.9: Electronic ignition lock control unit, Electric steering lock control unit
20
20
Valid for left-hand drive vehicle: Electronic Stability Program control unit, Premium Electronic Stability Program control unit Valid for left-hand drive vehicle, Hybrid: Regenerative braking system control unit
40
21
Front passenger seat occupied recognition and ACSR Weight sensing system (WSS) control unit except Hybrid up to 28.02.2013:Brake lights switch Hybrid up to 28.02.2013: Hybrid brake light switch Switched through glove compartment lamp switch Glove compartment lamp
7.5
22
Valid for fan motor with 650, 800 W: Fan motor for internal combustion engine and air conditioning with integrated control Valid for engine 156: Electrical connector for interior harness and engine wiring harness Circuit 87 M2e connector sleeve Valid for engine 157, 271, 272, 273, 274, 276, 278: Electrical connector for interior harness and engine wiring harness Valid for engine 271, 272.98, 274.9, 276 and engine 651 (except with 4MATIC): Radiator shutters actuator Valid for engine 642, 651: CDI control unit Electrical connector for interior harness and engine wiring harness
15
23
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 interior harness and engine wiring harness Valid for engine 271: ME-SFI control unit
20
24
Valid for engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651: Electrical connector for interior harness and engine wiring harness 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
15
25
Valid for engine 642, 651 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 Valid for gasoline engine: ME-SFI control unit Hybrid: Transmission cooling coolant circulation pump relay HYBRID power electronics coolant circulation pump relay Valid for engine 156: Connector sleeve, circuit 87 M3e
15
26
Radio Radio with auto pilot system COMAND controller unit
20
27
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
7.5
28
Instrument cluster
7.5
29
Valid up to 28.02.2013: Right front lamp unit
10
30
Valid up to 28.02.2013: Left front lamp unit
10
31A
Left fanfare horn Right fanfare horn
15
31B
Left fanfare horn Right fanfare horn
15
32
Valid for engine 272: Electric air pump
40
33
Valid for transmission 722.6: Electronic transmission control control unit Valid for transmission 722.9, 724, 725: Fully integrated transmission control controller unit
10
34
Valid for engine 156, 271, 272, 273, 642, 651: Fuel system control unit
7.5
35
Hybrid: HYBRID control unit power supply relay
7.5
36
Night View Assist control unit Valid up to 28.02.2013: DISTRONIC electric controller unit Valid as of 01.03.2013: Front long-range radar sensor Valid as of 01.03.2013: COLLISION PREVENTION ASSIST controller unit
7.5
Relay
J
Circuit 15 relay
K
Circuit 15R relay
L
Wiper park position heater relay
M
Starter circuit 50 relay
N
Engine circuit 87 relay
O
Horn relay
P
Valid for engine 272: Secondary air injection relay
Pyrofuse, triggered by Supplemental Restraint System control unit
–
MR1
Electrical power steering control unit
50
MR2
Spare
–
MR3
Spare
–
MR4
Fan motor for internal combustion engine and air conditioning with integrated control
100
MR5
Valid for diesel engine: PTC heater booster
150
MR6
Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module
60
MR7
Front SAM control unit with fuse and relay module
150
PIN1
Valid for left-hand drive vehicles: Blower regulator Valid for right-hand drive vehicles: Electronic Stability Program control unit Premium Electronic Stability Program control unit
50
PIN2
Valid for right-hand drive vehicles: Electronic Stability Program control unit Premium Electronic Stability Program control unit
50
PIN3
AIRmatic relay Valid with transmission 725: Fully integrated transmission control unit
60
MRG1
Spare
–
MRG2
Front SAM control unit with fuse and relay module
100
IG1
Rear SAM control unit with fuse and relay module
150
I1
Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module
Fan motor for internal combustion engine and air conditioning with integrated control
100
MR5
Valid for diesel engine: PTC heater booster
150
MR6
Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module
60
MR7
Front SAM control unit with fuse and relay module
150
MR9
Spare
–
MG2
Front SAM control unit with fuse and relay module
100
MR3
Electrical power steering control unit
80
IG1
Rear SAM control unit with fuse and relay module
150
IM1
Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module
100
PIN1
Valid for left-hand drive vehicles: Blower regulator Valid for right-hand drive vehicles: Electronic Stability Program control unit Premium Electronic Stability Program control unit
50
PIN2
Valid for right-hand drive vehicles: Electronic Stability Program control unit Premium Electronic Stability Program control unit
50
PIN3
AIRmatic relay Valid with transmission 725: Fully integrated transmission control unit
