Mercedes-Benz C-Class W205 (2014-2019) - fuse and relay box - Fuse box diagrams (2024)

NumberAmperes [A]Description10040Hybrid:

Vacuum pump

10115With the exception of AMG:

connecting sleeve, circuit 87/2

20AMG:

connecting sleeve, circuit 87/2

10220With the exception of AMG:

connecting sleeve, circuit 87/1

25AMG:

connecting sleeve, circuit 87/1

10315With the exception of AMG:

connecting sleeve, circuit 87/4

20AMG:

connecting sleeve, circuit 87/4

10415With the exception of AMG:

connecting sleeve, circuit 87/3

20AMG:

connecting sleeve, circuit 87/3

10515Valid for gearbox 722.9 (except 722.930):

Automatic transmission auxiliary oil pump control unit

106–Reserve10760Valid with engine 274.9:

Electric coolant pump

10820Static LED headlight:right front headlight;

High-performance LED headlight, dynamic LED headlight:
left front headlight;
Right front headlight.

10930Wiper motor11020Static LED headlight:

Left front headlight

High-performance LED, dynamic LED headlight:
Left front headlight;
Right front headlight.11130Starter11215Hybrid:

accelerator pedal sensor

113–Reserve11440AIRmatic compressor11515Left horn and right horn116–Reserve117–Reserve1185Hybrid:

electronic stability program control unit

11915Circuit 87 C2 connector sleeve1205With the exception of AMG:

circuit connector sleeve 87 C1

15AMG:

circuit connector sleeve 87 C1

1215Electronic stability program control unit1225CPC relay123–Reserve124–Reserve1255Front SAM control unit1265Powertrain controlunit;

Valid for diesel engine:CDI control unit;

Valid for gasoline engine:ME-SFI control unit.

1275Hybrid:

voltage decay limiter

1285Left front lamp assembly and exterior light switch12930Hybrid:

starter circuit 50 relay

129A30Hybrid:

starter circuit 50 relay

RelayG.Relay 15 in the engine compartmentH.Starter relay 50IHybrid:

vacuum pump relay (+)

J.CPC relayK.Valid for the gearbox 722.9 (except 722.930):

Oil pump relay

LHorn relayM.Wiper park position heater relayNRelay circuit 87M.OHybrid:

starter circuit 15 relay

P.Valid with engine 274.9:

Relay pumpliquidcooling

QHybrid:

vacuum pump relay (-)

RAIRmatic relay

NumberAmperes [A]Description3015Hybrid:

pyrofusion through a high-voltage disconnect device

30230Right front door control unit30330W205, S205, V205:

Left rear doorcontrol unit;

A205, C205:

Reardriver.

30420Gearbox 722:

Intelligent servo module for DIRECT SELECT

30530Driver seat controller;

Driver seat heating controller;

Front seat heating control unit.

30630Front passenger seat control unit;

Front passenger seat heating control unit;

Front seat heating control unit.

3075AMG:

Active engine mount control unit

30830USA version:

electrical connector for the electric brake control

30910Emergency call system control unit5HERMES control unit;

Telematics services communication module.

31020AMG:

Active engine mount control unit

31110Booster electronic blower control31210Suspended control panel control unit31310Hybrid:

power electronics control unit

3145AMG:

Electronic differential control unit

3155Powertrain controlunit;

Valid for diesel engine:

CDI control unit;

Valid for gasoline engine:

ME-SFI control unit

3167.5Supplemental restraint system control unit31730Panoramic sunroof control module;

Sliding roof control module.

31820Stationary heater control unit3195Hybrid:

high voltage PTC heater

32025AIRMATIC control unit;

Control unit with adaptive damping system.

3215Japanese version:

dedicated control unit for short-range communication

32220Main unit3235Parking system control unitMF1 / 17.5Audio / COMAND display;

Audio equipment fan motor.

MF1 / 27.5Multi-functional stereo camera;

Multifunctional monaural camera.

MF1 / 37.5Rain and light sensor with additional functions;

W205, S205, V205:

Suspended control panel.

MF1 / 47.5Driver seat controller;

Driver seat heating controller;

Front seat heating control unit.

MF1 / 57.5Front passenger seat control unit;

Front passenger seat heating control unit;

Front seat heating control unit.

MF1 / 67.5Steering wheel lamp module control unitMF2 / 15Front left reversible emergency tensionerMF2 / 25Audio / COMAND control panel;

Touchpad.

MF2 / 35Right front reversible emergency tension retractorMF2 / 45Heads-up displayMF2 / 55Multimedia connection unitMF2 / 65Hybrid:

electric refrigerant compressor

MF3 / 15Feedback line, clamp 30g, front SAM control unitMF3 / 25Radar sensors control unitMF3 / 3–ReserveMF3 / 45A group of buttons on the driver’s side instrument panelMF3 / 55Rear air conditioning control unitMF3 / 65Tire pressure monitor control unit

NumberAmperes [A]Description40025BlueTEC:

AdBlue^®control unit

40115BlueTEC:

AdBlue^®control unit

40220BlueTEC:

AdBlue^®control unit

40330Valid until November 30, 2015:

Front passenger seat, semi-electric seat adjustment switch

25Valid from 01/12/2015:

Front passenger seat, semi-electric seat adjustment switch

40430Valid until November 30, 2015:

Driver seat, semi-electric seat adjustment switch

25Valid from 01/12/2015:

Driver seat, semi-electric seat adjustment switch

405–Reserve40630Left front door control unit407–Reserve40830W205, S205, V205:

Right rear doorcontrol unit;

A205, C205:

Rear driver.

409–Reserve4105Stationary radio receiver for remote control of the heater;

Antenna switch for telephone and stationary heater.

41130Front left reversible emergency tensioner4127.5Hybrid:

battery management system control unit

4135Trunk lid control unit4145Tuner module4155Camera cover control unit;

Perfume sprayer generator.

4167.5Antenna amplifier / compensator for a cellular telephone system;

Mobile phone contact plate.

4175360 ° camera control unit;

Reversing camera.

4185Rear seat heating control unit;

AIRSCARF control unit.

4195Front passenger seat lumbar support adjustment control unit4205Driver’s seat lumbar support adjustment control unit421–Reserve422–Reserve4235Sound system amplifier control unit42415AIR BODY CONTROL Plus control unit;

Valid for engine 276:

Engine sound control unit.

425–Reserve426–Reserve427–Reserve428–Reserve429–Reserve430–Reserve43125Special purpose vehicle multifunction control unit43225Special purpose vehicle multifunction control unit43315Trailer recognition control unit43415Trailer recognition control unit30AMG:

Electric parking brakecontrolunit

43525Trailer recognition control unit;

AMG:

Electronic differential control unit.

43615Trailer recognition control unit43725Trailer recognition control unit43830DC / AC converter control unit4395Taximeter;

Taximeter with mirror.

25A205:

Rear control unit

44030Rear seat heating control unit;

AIRSCARF control unit.

44130AIRSCARF control unit44225Fuel system control unit44330Right front reversible emergency tension retractor44415Tablet pc electrical connector44515S205:Trunk socket44615Front cigarette lighterwith ashtray lighting;

Vehicle interior power socket.

4471512V socket in right center console44810Valid for transmission 722, 725:

Ratchet capacitor

4495Valid for engine 626:

Fuel filter element with integrated heater;

AMG:

Electric parking brakecontrolunit.

4505Rear SAM control unit4515BlueTEC fuel system control unit:

AdBlue^®control unit

4525Integrated radar sensor for the outer right rear bumper;

Integrated radar sensor for outer left rear bumper;

Center rear bumper radar sensor;

Outside Right Rear Radar Sensor;

Outside Left Rear Bumper Radar Sensor.

4535Left front bumper radar sensor;

Right front bumper radar sensor;

COLLISION PREVENTION ASSIST driver.

4547.5Valid for transmission 722:

In thefully integrated transmission control unit

5Driving school package:

footwell lighting switch;

Pedal operation monitor switch;

BlueTEC:

AdBlue^®control unit^.

4555DC / AC converter control unit4565Front long range radar sensor;

DISTRONIC electric controller.

4575Hybrid:

Power electronics control unit;

Battery management system control unit;

AMG:

Electronic differential control unit;

Control unit with active engine mount.

4585Rear switch module4595Hybrid:

charger;

AMG:

AMG suspension control unit.

46010KEYLESS-GO control unit4615FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier46240Sound system amplifier control unit46330W205, S205, V205:

Rear window heating by rear window anti-interference capacitor;

A205, C205:

Soft top section / electrical connector inside the vehicle.

46440Trunk lid control unit;

Liftgate controller.

46540Rear SAM control unit46640Rear SAM control unit46740Valid for engine 626:

Fuel filter element with integrated heater;

A205:

Rear control unit.

Relay
SVehicle interior circuit relay 15
T.Rear window heater relayUSecond row cup holder and socket relayVBlueTEC:AdBlue^®relayX1st row of seats / trunk refrigerator box and sockets relayYSpare relayZR1Valid for engine 626:

Fuel filter heater relay

ZR2Backup relayZR3Backup relay