Mercedes-Benz CLS W218 / X218 (2011-2018) – fuse and relay box
Diagrams of fuse boxes and relays – Mercedes-Benz CLS W218 / X218
Applies to vehicles manufactured in the years:
2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018.
For the cigarette lighter on the Mercedes-Benz CLS W218 / X218 there is fuse 9 (center console socket) in the engine compartment fuse box and fuses 71 (front interior socket), 72 (load compartment socket), 76 (rear center console socket) in the compartment fuse box porter.
CLS220, CLS250, CLS350, CLS400, CLS500, CLS63
Fuse box in the engine compartment
Location of the fuse box
The fuse box is located in the engine compartment (left side).
The scheme of the fuse box
| Number | Description | Amperes [A] |
|---|---|---|
| 1 | Electronic stability program control unit;
Premium electronic stability program control unit; Blower motor; Blower regulator. |
25 |
| 2 | Left front door control unit | 30 |
| 3 | Right front door control unit | 30 |
| 4 | Valid with engine 157:
Fuel system control unit |
20 |
| 5 | Instrument cluster;
Rear SAM control unit with fuse and relay module; Exterior lights switch. |
7.5 |
| 6 | Valid for diesel engine:
CDI control unit; Valid for gasoline engine: ME-SFI control unit. |
10 |
| 7 | Starter circuit relay 50 | 20 |
| 8 | Supplemental restraint system control unit | 7.5 |
| 9 | Center console socket | 15 |
| 10 | Wiper motor;
Switched by the wiper park position heater relay: Wiper park position heater. |
30 |
| 11 | Audio / COMAND display;
Audio / COMAND control panel. |
7.5 |
| 12 | Automatic air conditioning control and control unit;
Top control unit of the control panel; Automatic transmission mode button; Suspend button group. |
7.5 |
| 13 | Steering column module control unit;
Multifunction camera; Stereo multifunction camera. |
7.5 |
| 14 | Electronic stabilization program control unit;
Premium electronic stabilization program control unit. |
7.5 |
| 15 | Supplemental restraint system control unit | 7.5 |
| 16 | Valid with engine 157:
DIRECT SELECT INTERFACE |
5 |
| 17 | Electric tilting and sliding glass roof:
Overhead control panel control unit. |
30 |
| 18 | Analog clock;
Backup relay. |
7.5 |
| 19 | Electronic ignition control unit | 20 |
| 20 | Electronic stabilization program control unit;
Premium electronic stabilization program control unit. |
40 |
| 21 | Brake light switch;
Lamp switch in the glove box; Recognition of occupancy of the front passenger seat and ACSR; Weight detection system (WSS) control unit. |
7.5 |
| 22 | Fan motor for internal combustion engine and air conditioning with integrated control;
Valid for diesel engine: CDI control unit; Connector sleeve, circumference 87; Valid for gasoline engine: ME-SFI control unit; Connector sleeve, circuit 87 M2e; Valid with engine 276: Radiator shutter actuator. |
15 |
| 23 | Valid for gasoline engine:
Connector sleeve, circuit 87 M1i; Valid for diesel engine: CDI control unit; Connector sleeve, circuit 87. |
20 |
| 24 | Valid for diesel engine:
Connector sleeve, circumference 87; Valid for engine 157, 276, 278: Connector sleeve, circuit 87 M1e. |
15 |
| 25 | Valid for diesel engine:
Oxygen sensor in front of the catalyst; Valid for gasoline engine: ME-SFI control unit. |
15 |
| 26 | Radio;
Radio with an autopilot system; COMAND control unit. |
20 |
| 27 | Valid for gasoline engine:
ME-SFI control unit; Valid for diesel engine: CDI control unit; Electronic ignition control unit. |
7.5 |
| 28 | Instrument cluster | 7.5 |
| 29 | Right front lamp | 10 |
| 30 | Left front lamp | 10 |
| 31A | Switched by horn relay:
Left fanfare horn; Right fanfare horn. |
15 |
| 31B | Switched by horn relay:
Left fanfare horn; Right fanfare horn. |
15 |
| 32 | Secondary air injection relay | – |
| 33 | Fully integrated transmission control controller | 10 |
| 34 | Fuel system control unit | 7.5 |
| 35 | Reserve | – |
| 36 | Night View Assist controller;
Electric controller DISTRONIC. |
7.5 |
| Relay | ||
| J. | Circuit 15 relay | |
| K. | Terminal 15R relay | |
| NS | Wiper parking heater relay | |
| M. | Starter circuit relay 50 | |
| N | Engine circuit 87 relay | |
| ABOUT | Horn relay | |
| P. | Reserve | |
| Q | Backup relay | |
| R | Chassis circuit 87 relay |
Luggage compartment fuse box
Location of the fuse box
It is located on the right side of the trunk, behind the lid.
The scheme of the fuse box
Arrangement of fuses and relay in the luggage compartment
| Number | Description | Amperes [A] |
|---|---|---|
| 37 | Driver’s seat Elektromagnes NECK-PRO headrest;
Front passenger seat. NECK-PRO headrest electromagnet. |
7.5 |
| 38 | Shooting brake:
Connected by the tailgate window wiper relay: Tailgate Wiper Motor. |
15 |
| 39 | Valid for left-hand drive vehicles:
Left rear door control unit; Valid for right-hand drive vehicles: Left front door control unit. |
30 |
| 40 | Reserve | – |
| 41 | Applies to left-hand drive vehicles:
Right front door control unit; For right-hand drive vehicles: Right rear door control unit. |
30 |
| 42 | Fuel system control unit | 25 |
| 43 | Valid until August 31, 2014:
Telematics services communication module (Live traffic information); Valid from 01/09/2014: Tire pressure sensor control unit. |
7.5 |
| 44 | Front passenger seat adjustment switch | 30 |
| 45 | Driver seat adjustment switch | 30 |
| 46 | Alarm 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 |
| 47 | Reserve | – |
| 48 | Reserve | – |
| 49 | Coupe:
Switched by the rear window heater relay: Heated rear window; Shooting Brake: Switched by the rear window heater relay: Rear window antenna amplifier 1. |
40 |
| 50 | Right front reversible emergency tension retractor | 50 |
| 51 | Front left reversible emergency tensioner | 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 | 25 |
| 58 | Trailer recognition control unit | 25 |
| 59 | Left front bumper DISTRONIC (DTR) sensor;
Right front bumper DISTRONIC (DTR) sensor; Left rear bumper radar sensor (Active Blind Spot Assist); Right rear radar bumper (Active Blind Spot Assist); Left Rear Bumper Intelligent Radar Sensor (Blind Spot Assist); Smart Right Rear Bumper Radar Sensor (Blind Spot Assist). |
7.5 |
| 60 | Multicontour seat pneumatic pump | 7.5 |
| 60 | Active air pump with multi-contour seat | 30 |
| 61 | Coupe:
Trunk lid control unit (KDS); Shooting brake: Liftgate controller. |
40 |
| 62 | Driver seat control unit | 25 |
| 63 | Rear seat heating control unit | 25 |
| 64 | Front passenger seat control unit | 25 |
| 65 | Up to 5/31/2012: Steering wheel heating control As of 01/06/2012: Steering column tube module control unit |
7.5 |
| 66 | Rear blower motor | 7.5 |
| 67 | Sound system amplifier control unit | 40 |
| 68 | AIRmatic control unit | 15 |
| 69 | Rear subwoofer amplifier | 25 |
| 70 | Tire pressure monitor control unit;
Valid from 01/09/2014 with engine 157, 276, 278 without USA version: Coolant circulation pump relay. |
5 |
| 71 | Vehicle interior socket, front | 15 |
| 72 | Cargo space socket | 15 |
| 73 | Valid with engine 157:
Transmission mode control unit; Stationary heater: Stationary heater remote control receiver. |
5 |
| 74 | KEYLESS-GO control unit;
Valid from 01/09/2014: Left front lamp assembly, Right front lamp assembly. |
15 |
| 75 | Stationary heater;
Valid from 01/09/2014: Left front lamp unit, Right front lamp unit. |
20 |
| 76 | Rear center console socket | 15 |
| 77 | Mass measuring system (WSS) control unit;
Navigation processor. |
7.5 |
| 78 | Multimedia interface control unit | 7.5 |
| 79 | Video and radar sensor system control unit Valid from 01/09/2014 with Driving Assistance package Plus: Radar sensors control unit, Landing gear gate control unit. |
5 |
| 80 | Parking system control unit | 5 |
| 81 | Antenna amplifier / compensator for a cellular telephone system;
Mobile phone electrical connector. |
5 |
| 82 | Left front seat blower regulator;
Right front seat blower control. |
7.5 |
| 83 | Reversing camera; Navigation processor; Emergency call system control unit. |
7.5 |
| 84 | Rear view camera driver;
Rear view camera power module; SDAR camera; Digital Audio Broadcasting driver. |
5 |
| 85 | TV tuner (analog / digital); Digital TV tuner. |
7.5 |
| 86 | Reserve | – |
| 87 | Emergency call system control unit Valid until 31/08/2014 with engine 157, 276, 278 without USA version: Coolant circulation pump relay; Valid until 31/05/2016 with Live Traffic Information or eCall Europe emergency call system: Telematics communication module;Valid from June 1, 2016:HERMES control unit;Valid from 01/06/2016 with Comfort telephony and stationary heater remote control: Antenna switch for telephone and stationary heater. |
7.5 |
| 88 | Intelligent servo module for DIRECT SELECT | 15 |
| 89 | Trailer recognition control unit Valid for engine 157: Fuel system control unit. |
30 |
| 90 | Reserve | – |
| 91 | Reserve | – |
| 92 | KEYLESS-GO control unit | 15 |
| Relay | ||
| A | Circuit 15 relay | |
| B | Relay circuit 15R (1) | |
| C. | Heated rear window relay | |
| D | Valid for diesel engine: Fuel pump relay | |
| E. | Shooting brake:
Lift window wiper relay; Electrically adjustable front seats Memory package: Seat adjustment relay. |
|
| G. | Relay circuit 15R (2) |
Without ECO start / stop
ECO start / stop
| Number | Amperes [A] | Description |
| 150 | – | ECO start / stop function:
Pyrofuse 150. |
| 151 | 60 | Electric power steering control unit |
| 152 | 60 | Front SAM control unit with fuse and relay module |
| 153 | 100 | – |
| 154 | 100 | Fan motor for internal combustion engine and air conditioning with integrated control (M4 / 7) |
| 155 | 150 | Valid for diesel engine:
PTC heater amplifier. |
| 156 | – | – |
| 157 | 150 | Front SAM control unit with fuse and relay module |
| 158 | 50 | Valid 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 for right-hand drive vehicles with DISTRONIC PLUS or engine 157: Premium Electronic Stability Control Unit. |
| 159 | 50 | Valid for right-hand drive vehicles without DISTRONIC PLUS or without engine 157:
Electronic stabilization program control unit; Valid for right-hand drive vehicles with DISTRONIC PLUS or engine 157: Premium Electronic Stability Program electronic control unit. |
| 160 | 60 | AlRmatic relay |
| 161 | – | – |
| 162 | 100 | Front SAM control unit with fuse and relay module |
| 163 | 150 | Without ECO start / stop function:
Rear SAM control unit with fuse and relay module. |
| 164 | 100 | Without ECO start / stop:
Rear SAM control unit with fuse and relay module. |
Coolant circulation pump relay
AIRMATIC relay
Instrument panel fuse panel
| Description | Amperes [A] |
| Protects the connection between the auxiliary battery and the ignition lock electronic control unit and the SAM front control unit (for engine 276 from 01/09/2014 or with engine 274) | 5 |
Additional battery relay and fuse
| Number | Description |
| F96 | Additional fuse 30 in the battery circuit |
| K114 | Additional battery relay with ECO start / stop function |