Mercedes-Benz CLS-Class (W218/X218; 2011-2018) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Mercedes-Benz CLS-Class (W218/X218; 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018).

Fuse box diagram: Mercedes-Benz CLS-Class (W218/X218; 2011-2018)

Engine Compartment Fuse Box

The fuse box is located in the engine compartment (left-side)The location of the fuses in the engine compartment: Mercedes-Benz CLS-Class (2011-2018)

Fuse box diagramUnder-hood fuse box diagram: Mercedes-Benz CLS-Class (2011-2018)

Assignment of the fuses and relay in the Engine Compartment Fuse Box
Fused functionA
1Electronic Stability Program control unit
Premium Electronic Stability Program control unit
Blower motor
Blower regulator
25
2Left front door control unit30
3Right front door control unit30
4Valid with engine 157: Fuel system control unit20
5Instrument cluster
Rear SAM control unit with fuse and relay module
Exterior lights switch
7.5
6Valid for diesel engine: CDI control unit
Valid for gasoline engine: ME-SFI control unit
10
7Starter circuit 50 relay20
8Supplemental restraint system control unit7.5
9Center console socket15
10Wiper motor
Switched via wiper park position heater relay: Wiper park position heater
30
11Audio/COMAND display
Audio/COMAND control panel
7.5
12Automatic climate control control and operating unit
Upper control panel control unit
Automatic transmission transmission mode button
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
16Valid with engine 157: DIRECT SELECT INTERFACE5
17Electrical glass tilting/sliding roof: Overhead control panel control unit30
18Analog clock
Backup relay
7.5
19Electronic ignition lock control unit 20
20Electronic Stability Program control unit
Premium Electronic Stability Program control unit
40
21Brake lights switch
Glove compartment lamp switch
Front passenger seat occupied recognition and ACSR
Weight sensing system (WSS) control unit
7.5
22Fan motor for internal combustion engine and air conditioning with integrated control
Valid for diesel engine:
CDI control unit
Connector sleeve, circuit 87
Valid for gasoline engine:
ME-SFI control unit
Connector sleeve, circuit 87 M2e
Valid with engine 276: Radiator shutters actuator
15
23Valid for gasoline engine: Connector sleeve, circuit 87 M1i
Valid for diesel engine:
CDI control unit
Connector sleeve, circuit 87
20
24Valid for diesel engine: Connector sleeve, circuit 87
Valid for engine 157, 276, 278: Connector sleeve, circuit 87 M1e
15
25Valid for diesel engine: Oxygen sensor upstream of catalytic converter
Valid for gasoline engine: ME-SFI control unit
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
7.5
28Instrument cluster7.5
29Right front lamp unit10
30Left front lamp unit10
31ASwitched through the horns relay:
Left fanfare horn
Right fanfare horn
15
31BSwitched through the horns relay:
Left fanfare horn
Right fanfare horn
15
32Secondary air injection relay-
33Fully integrated transmission control controller unit10
34Fuel system control unit7.5
35Spare-
36Night View Assist control unit
DISTRONIC electric controller unit
7.5
Relay
JCircuit 15 relay
KTerminal 15R relay
LWiper park heater relay
MStarter circuit 50 relay
NEngine circuit 87 relay
OHorn relay
PSpare
QBackup relay
RChassis circuit 87 relay

Luggage Compartment Fuse Box

It is located on the right side of the luggage compartment, under the coverThe location of the fuses in the trunk: Mercedes-Benz CLS-Class (2011-2018)

Fuse box diagramTrunk fuse box diagram: Mercedes-Benz CLS-Class (2011-2018)

Assignment of the fuses and relay in the trunk
Fused functionA
37Driver seat NECK-PRO head restraint solenoid
Front passenger seat NECK-PRO head restraint solenoid
7.5
38Shooting Brake: Connected through liftgate windshield wiper relay: Tailgate wiper motor15
39Valid for left-hand drive vehicles:Left rear door control unit
Valid for right-hand drive vehicles: Left front door control unit
30
40Spare-
41Valid for left-hand drive vehicles: Right front door control unit
Valid for right-hand drive vehicles: Right rear door control unit
30
42Fuel system control unit25
43Valid up to 31.08.2014: Telematics services communications module (Live Traffic Information)
Valid as of 01.09.2014:Tire pressure monitor control unit
7.5
44Front passenger seat adjustment switch30
45Driver seat adjustment switch30
46Alarm siren (Interior monitoring)
Interior protection and tow-away protection control unit (Interior monitoring)
Coupe: M 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier
Shooting Brake: Rear window antenna amplifier 1
Valid with engine 157, 276, 278 and USA version: Coolant circulation pump relay
7.5
47Spare-
48Spare-
49Coupe: Switched through the rear window heater relay: Rear window heater
Shooting Brake: Switched through the rear window heater relay: Rear window antenna amplifier 1
40
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 unit25
58Trailer recognition control unit25
59Left front bumper DISTRONIC (DTR) sensor
Right front bumper DISTRONIC (DTR) sensor
Left rear bumper radar sensor (Active Blind Spot Assist)
Right rear bumper radar sensor (Active Blind Spot Assist)
Left rear bumper intelligent radar sensor (Blind Spot Assist)
Intelligent radar sensor for right rear bumper (Blind Spot Assist)
7.5
60Multicontour seat pneumatic pump7.5
60Active multicontour seat pneumatic pump30
61Coupe: Trunk lid control (KDS) control unit
Shooting Brake: Liftgate control unit
40
62Driver seat control unit25
63Rear seat heater control unit25
64Front passenger seat control unit25
65Up to 31.05.2012: Steering wheel heater control unit
As of 01.06.2012: Steering column tube module control unit
7.5
66Rear blower motor7.5
67Sound system amplifier control unit40
68AIRmatic control unit15
69Rear bass speaker amplifier25
70Tire pressure monitor control unit
Valid as of 01.09.2014 with engine 157, 276, 278 without USA version: Coolant circulation pump relay
5
71Vehicle interior socket, front15
72Cargo area socket15
73Valid with engine 157: Transmission mode control unit
Stationary heater: Stationary heater radio remote control receiver
5
74KEYLESS-GO control unit
Valid as of 01.09.2014: Left front lamp unit, Right front lamp unit
15
75Stationary heater unit
Valid as of 01.09.2014: Left front lamp unit, Right front lamp unit
20
76Rear center console socket15
77Weight sensing system (WSS) control unit
Navigation processor
7.5
78Media interface control unit7.5
79Video and radar sensor system control unit
Valid as of 01.09.2014 with Driving assistance package Plus: Radar sensors control unit, Chassis gateway control unit
5
80Parking system control unit5
81Cellular telephone system antenna amplifier / compensator
Mobile phone electrical connector
5
82Left front seat ventilation blower regulator
Right front seat ventilation blower regulator
7.5
83Reversing camera
Navigation processor
Emergency call system control unit
7.5
84Reversing camera control unit
Reversing camera power supply module
Reversing camera
SDAR/high definition tuner control unit
Digital Audio Broadcasting control unit
5
85TV tuner (analog/digital)
Digital TV tuner
7.5
86Spare-
87Emergency call system control unit
Valid up to 31.08.2014 with engine 157, 276, 278 without USA version: Coolant circulation pump relay
Valid to 31.05.2016 with Live Traffic Information or eCall Europe emergency call system: Telematics services communications module
Valid as of 01.06.2016: HERMES control unit
Valid as from 01.06.2016 with Comfort telephony and Remote control for stationary heater: Antenna changeover switch for telephone and stationary heater
7.5
88Intelligent servo module for DIRECT SELECT15
89Trailer recognition control unit
Valid with engine 157: Fuel system control unit
30
90Spare-
91Spare-
92KEYLESS-GO control unit15
Relay
ACircuit 15 relay
BCircuit 15R relay (1)
CHeated rear window relay
DValid for diesel engine: Fuel pump relay
EShooting Brake: Liftgate windshield wiper relay
Electrically adjustable front seats memory package: Seat adjustment relay
GCircuit 15R relay (2)

Front Pre-Fuse Box

Front Pre-Fuse Box: Mercedes-Benz CLS-Class (2011-2018)

Without ECO start/stop

With ECO start/stop

Front Pre-Fuse Box
Fused functionA
150ECO start/stop function: Pyrofuse 150-
151Electrical power steering control unit60
152Front SAM control unit with fuse and relay module60
153Spare100
154Fan motor for internal combustion engine and air conditioning with integrated control (M4/7)100
155Valid for diesel engine: PTC heater booster150
156Spare-
157Front SAM control unit with fuse and relay module150
158Valid for left-hand drive vehicles: Blower regulator
Valid for right-hand drive vehicles without DISTRONIC PLUS or without engine 157: Electronic Stability Program control unit
Valid with right-hand drive vehicles with DISTRONIC PLUS or with engine 157: Premium Electronic Stability Program control unit
50
159Valid for right-hand drive vehicles without DISTRONIC PLUS or without engine 157: Electronic Stability Program control unit
Valid with right-hand drive vehicles with DISTRONIC PLUS or with engine 157: Premium Electronic Stability Program control unit
50
160AIRmatic relay60
161Spare-
162Front SAM control unit with fuse and relay module100
163Without ECO start/stop function: Rear SAM control unit with fuse and relay module150
164Without ECO start/stop: Rear SAM control unit with fuse and relay module100

Coolant circulation pump relay

AIRMATIC relay

The Instrument Panel Fuse

Fused functionA
F1/1Protects the connection between the additional battery and the electronic ignition lock control unit and the front SAM control unit (for engine 276 as of 01.09.2014 or with engine 274)5

Additional battery relay and fuse

Fused function
F96Additional battery circuit 30 fuse
K114ECO start/stop function additional battery relay
Mercedes-Benz CLS-Class (W218/X218; 2011-2018) fuses and relays December 16, 2018 admin