Mercedes-Benz E-Class (W212; 2010-2016) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Mercedes-Benz E-Class (W212; 2010, 2011, 2012, 2013, 2014, 2015, 2016).

Fuse box diagram: Mercedes-Benz E-Class
(W212; 2010-2016)


Cigar lighter / power outlet fuses in the Mercedes-Benz E-Class are the fuses #71 (Front interior socket, Front cigarette lighter), #72 (Cargo area socket) in the Luggage Compartment Fuse Box, and fuse #9 (Glove compartment socket) in the Engine Compartment Fuse Box.


Luggage Compartment Fuse Box

It is located on the right side of the luggage compartment, behind the coverThe location of the fuses in the trunk: Mercedes-Benz E-Class (W212; 2010-2016)

Fuse box diagram

Trunk fuse box diagram: Mercedes-Benz E-Class (2010-2016)

 

Assignment of the fuses and relay in the trunk
Fused componentA
37Driver seat NECK-PRO head restraint solenoid
Front passenger seat NECK-PRO head restraint solenoid
7.5
38Valid for model 212.2: Tailgate wiper motor15
39up 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
40Spare-
41up 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
42Fuel pump relay
Valid for engine 156, 271, 272, 273, 274, 276, 278, 642, 651: Fuel system control unit
25
43Telematics services communications module 7.5
44Front passenger seat partially electric seat adjustment switch30
45Driver seat partially electric seat adjustment switch30
46FM 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
47Spare-
48Spare-
49Rear window heater40
50Right front reversible emergency tensioning retractor50
51Left front reversible emergency tensioning retractor50
52Spare-
53Trailer recognition control unit30
54Trailer recognition control unit15
55Spare-
56Trailer socket15
57Trailer recognition control unit 20
57Left front illuminated door sill molding voltage converter
Right front illuminated door sill molding voltage converter
7.5
58Trailer recognition control unit 25
59Left front bumper DISTRONIC (DTR) sensor
Right front bumper DISTRONIC (DTR) sensor
7.5
60Multicontour seat pneumatic pump 7.5
60Dynamic multicontour seat pneumatic pump30
61Trunk lid control control unit
Tailgate control control unit
40
62Driver seat control unit25
63Rear seat heater control unit25
64Front passenger seat control unit25
65up to 28.02.2013:  Steering wheel heater control unit7.5
65as of 01.03.2013:  Steering column tube module control unit 10
66Rear blower motor7.5
67Sound system amplifier control unit40
68AIRmatic control unit
Rear axle electronic level control control unit
15
69Rear bass speaker amplifier25
70Tire pressure monitor control unit5
71Vehicle interior socket, front
Front cigarette lighter with ashtray illumination
15
72Cargo area socket15
73Diagnostic connector
Stationary heater radio remote control receiver
Valid with transmission 722.930/931: Transmission mode control unit
5
74KEYLESS-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
75Stationary heater unit
Valid as of 01.03.2013 (with Dynamic LED headlamps:
Left front lamp unit
Right front lamp unit
20
75Valid for engine 156: Oil cooler fan motor relay25
76Rear cup holder
Rear center console socket
Rear USB electrical connection
15
77Rear cup holder
Valid until 28.02.2013: Weight sensing system (WSS) control unit
Valid for China, South Korea vehicles: Navigation processor
7.5
78Media interface control unit
Multimedia connection unit
7.5
79Valid 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
80Parking system control unit5
81Cellular telephone system antenna amplifier / compensator
Mobile phone electrical connector
Navigation processor
5
82Left front seat ventilation blower regulator Right front seat ventilation blower regulator10
83Circuit 15R connector sleeve
Emergency call system control unit
Valid until 31.05.2010: Navigation processor
Japan version: Electronic Toll Collection control unit
7.5
84Reversing 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
85Valid 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
86DVD player
Left rear display
Right rear display
7.5
87Emergency 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
88Valid with transmission 722.9: Intelligent servo module for DIRECT SELECT15
89Trailer 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
90Coolant circulation pump relay
Valid for engine 642.8 with BlueTEC: AdBlue® fuse block
40
91Valid for transmission 722 with ECO start/stop function: Front SAM control unit with fuse and relay module10
92Valid 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
15
Relay
ACircuit 15 relay
BCircuit 15R relay (1)
CRear window heater relay
DValid for diesel engine: Fuel pump relay
ELiftgate windshield wiper relay
FSeat adjustment relay
GCircuit 15R relay (2)

Instrument Panel Fuse Box

The location of the fuses in the passenger compartment: Mercedes-Benz E-Class (W212; 2010-2016)

Engine Compartment Fuse Box

The fuse box is located in the engine compartment oh the driver’s side, under the coverThe location of the fuses in the engine compartment: Mercedes-Benz E-Class (W212; 2010-2016)

Fuse box diagram

Under-hood fuse box diagram: Mercedes-Benz E-Class (2010-2016)

 

Assignment of the fuses and relay in the Engine Compartment Fuse Box
Fused componentA
1Valid 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
2up 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
3up 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
4Valid 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
4Valid for engine 651 (with retrofitted heated fuel filter) up to 31.05.2010: Control unit for fuel filter condensation sensor with heating element7.5
5Instrument 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
6Valid 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
7Starter20
8Supplemental restraint system control unit7.5
9Glove compartment socket15
10Wiper motor
Wiper park position heater
30
11Audio/COMAND display
Audio/COMAND control panel
Navigation module
Cradle for navigation module
COMAND fan motor
7.5
12ACC 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
13Steering column tube module control unit
Multifunction camera
Stereo multifunction camera
7.5
14Electronic Stability Program control unit
Premium Electronic Stability Program control unit
7.5
15Supplemental restraint system control unit7.5
16Hybrid: 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
17Overhead control panel control unit
Panoramic sliding roof control module
30
18Exterior 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
19Valid except transmission 722.9: Electronic ignition lock control unit, Electric steering lock control unit20
20Valid 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
21Front 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
22Valid 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
23Valid 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
24Valid 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
25Valid 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
26Radio
Radio with auto pilot system
COMAND controller unit
20
27Valid 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
28Instrument cluster7.5
29Valid up to 28.02.2013: Right front lamp unit10
30Valid up to 28.02.2013: Left front lamp unit10
31ALeft fanfare horn
Right fanfare horn
15
31BLeft fanfare horn
Right fanfare horn
15
32Valid for engine 272: Electric air pump40
33Valid for transmission 722.6: Electronic transmission control control unit
Valid for transmission 722.9, 724, 725: Fully integrated transmission control controller unit
10
34Valid for engine 156, 271, 272, 273, 642, 651: Fuel system control unit7.5
35Hybrid: HYBRID control unit power supply relay7.5
36Night 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
JCircuit 15 relay
KCircuit 15R relay
LWiper park position heater relay
MStarter circuit 50 relay
NEngine circuit 87 relay
OHorn relay
PValid for engine 272: Secondary air injection relay
QTransmission oil auxiliary pump relay
RChassis circuit 87 relay

Engine Compartment Additional Fuse Box (Hybrid)

Engine Compartment Additional Fuse Box (Hybrid): Mercedes-Benz E-Class (2010-2016)

Fuse box diagram

Engine Compartment Additional Fuse Box Diagram (Hybrid): Mercedes-Benz E-Class (2010-2016)

Assignment of the fuses and relay in the Additional Fuse Box
Fused componentA
130Regenerative braking system control unit5
131Battery management system control unit5
132Spare-
133Power electronics control unit5
134Vacuum pump relay (-)5
135Battery management system control unit7.5
136Pyrotechnical separator7.5
137Power electronics circulation pump 17.5
138Power electronics circulation pump 27.5
139Valid for engine 651: Transmission cooling coolant circulation pump7.5
140Vacuum pump relay (+)40
141Spare-
142Spare-
Relay
STransmission cooling coolant circulation pump relay
THYBRID control unit power supply relay
UHYBRID power electronics coolant circulation pump relay

Front Pre-Fuse Box

Front Pre-Fuse Box: Mercedes-Benz E-Class (2010-2016)

Without ECO start/stop

Front Pre-Fuse Box (Without ECO start/stop)
Fused componentA
MR8Pyrofuse, triggered by Supplemental Restraint System control unit-
MR1Electrical power steering control unit50
MR2Spare-
MR3Spare-
MR4Fan motor for internal combustion engine and air conditioning with integrated control100
MR5Valid for diesel engine: PTC heater booster150
MR6Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module60
MR7Front SAM control unit with fuse and relay module150
PIN1Valid 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
PIN2Valid for right-hand drive vehicles:
Electronic Stability Program control unit
Premium Electronic Stability Program control unit
50
PIN3AIRmatic relay
Valid with transmission 725: Fully integrated transmission control unit
60
MRG1Spare-
MRG2Front SAM control unit with fuse and relay module100
IG1Rear SAM control unit with fuse and relay module150
I1Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module100

With ECO start/stop

Front Pre-Fuse Box (With ECO start/stop)
Fused componentA
MR8Alternator
Stationary heater control unit
350
MR4Fan motor for internal combustion engine and air conditioning with integrated control100
MR5Valid for diesel engine: PTC heater booster150
MR6Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module60
MR7Front SAM control unit with fuse and relay module150
MR9Spare-
MG2Front SAM control unit with fuse and relay module100
MR3Electrical power steering control unit80
IG1Rear SAM control unit with fuse and relay module150
IM1Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module100
PIN1Valid 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
PIN2Valid for right-hand drive vehicles:
Electronic Stability Program control unit
Premium Electronic Stability Program control unit
50
PIN3AIRmatic relay
Valid with transmission 725: Fully integrated transmission control unit
60

Hybrid

Front Pre-Fuse Box (Hybrid)
Fused componentA
MR8Pyrofuse, triggered by Supplemental Restraint System control unit-
MR4Fan motor for internal combustion engine and air conditioning with integrated control100
MR5Valid for diesel engine: PTC heater booster150
MR6Valid for front on-board electrical system battery: Front SAM control unit with fuse and relay module60
MR7Front SAM control unit with fuse and relay module150
MR9HYBRID fuse and relay module150
MG2Front SAM control unit with fuse and relay module100
MR3Electrical power steering control unit80
IG1Rear SAM control unit with fuse and relay module150
IM1Valid for front on-board electrical system battery: Rear SAM control unit with fuse and relay module100
PIN1Valid for left-hand drive vehicles: Blower regulator
Valid for right-hand drive vehicles: Regenerative braking system control unit
50
PIN2Valid for right-hand drive vehicles: Regenerative braking system control unit50
PIN3AIRmatic relay60

Rear Pre-fuse Box (F33)

Rear Pre-fuse Box
Fused componentA
170Reserve-
171Front SAM control module with fuse and relay module60
172Rear SAM control unit with fuse and relay module100

AdBlue fuse block (F37)

AdBlue fuse block
Fused componentA
19AdBlue control unit15
20AdBlue control unit20
21AdBlue control unit7.5
22AdBlue control unit5

Other relays

K25 – Oil cooler fan motor relay

K27/7 – AdBlue supply relay (with engine 642.8 with BlueTEC)
F12 – Stationary heater fuse (Hybrid)

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)

F96 – Additional battery circuit 30 fuse (7,5 A)(with ECO start/stop )
K114 – ECO start/stop function additional battery relay

Mercedes-Benz E-Class (W212; 2010-2016) fuses and relays July 5, 2019 admin