Mercedes-Benz C-Class w205 (2014 - 2018)- fuse box diagram - Carknowledge.info (2024)

7 August 2019adminC-Class, Mercedes-Benz0

Mercedes-Benz C-Class w205 (2014 – 2018)- fuse box diagram

Year of production: 2014, 2015, 2016, 2017, 2018

Dashboard Fuse Box

NumberADescription
20050Front SAM control unit
20140Front SAM control unit
2025Alarm siren
ATA [EDW]/tow-away protection/interior protection control unit (A205)
20320Valid with transmission 716:Electric steering lock control unit
2045Diagnostic connector
2057,5Electronic ignition lock control unit
2065Analog clock
20715Climate control control unit
2087,5Instrument cluster
2095Climate control operating unit
Upper control panel control unit
2105Steering column tube module control unit
21125AMG:Electronic Stability Program control unit
2125as of 01.06.2016:Antenna changeover switch for telephone and stationary heated
2135Electronic Stability Program control unit
21430AMG:Electric parking brake control unit
215Spare
2167,5Glove compartment lamp
2175Japan version:Dedicated Short-Range Communications control unit
2187,5Supplemental Restraint System control unit
2195Weight sensing system (WSS) control unit
220Spare
Relay
FRelay, circuit 15R

Fuse Box in the Engine Compartment

NumberADescription
10040Hybrid:Vacuum pump
10115Valid except AMG:Connector sleeve, circuit 87/2
20AMG:Connector sleeve, circuit 87/2
10220Valid except AMG:Connector sleeve, circuit 87/1
25AMG:Connector sleeve, circuit 87/1
10315Valid except AMG:Connector sleeve, circuit 87/4
20AMG:Connector sleeve, circuit 87/4
10415Valid except AMG:Connector sleeve, circuit 87/3
20AMG:Connector sleeve, circuit 87/3
10515Valid for transmission 722.9 (except 722.930):Automatic transmission fluid auxiliary oil pump control unit
106Spare
10760Valid with engine 274.9:Electric coolant pump
10820Static LED headlamp:Right front lamp unit
High performance LED, Dynamic LED headlamp:
Left front lamp unit
Right front lamp unit
10930Wiper motor
11020Static LED headlamp:Left front lamp unit
High performance LED, Dynamic LED headlamp:
Left front lamp unit
Right front lamp unit
11130Starter
11215Hybrid:Accelerator pedal sensor
113Spare
11440AIRmatic compressor
11515Left horn and right horn
116Spare
117Spare
1185Hybrid:Electronic Stability Program control unit
11915Circuit 87 C2 connector sleeve
1205Valid except AMG:Circuit 87 C1 connector sleeve
15AMG:Circuit 87 C1 connector sleeve
1215Electronic Stability Program control unit
1225CPC relay
123Spare
124Spare
1255Front SAM control unit
1265Powertrain control unit
Valid for diesel engine:CDI control unit
Valid for gasoline engine:ME-SFI control unit
1275Hybrid:Voltage dip limiter
1285Left front lamp unit and exterior lights switch
12930Hybrid:Starter circuit 50 relay
129A30Hybrid:Starter circuit 50 relay
Relay
EEngine compartment circuit 15 relay
HStarter circuit 50 relay
IHybrid:Vacuum pump relay (+)
JCPC relay
KValid for transmission 722.9 (except 722.930):Oil pump relay
LHorn relay
MWiper park position heater relay
NCircuit 87M relay
OHybrid:Starter circuit 15 relay
PValid with engine 274.9:Coolant pump relay
QHybrid:Vacuum pump relay (-)
RAIRmatic relay

Fuse Box in the Front-Passenger Footwell

NumberADescription
3015Hybrid:Pyrofuse via high-voltage disconnect device
30230Right front door control unit
30330W205, S205, V205:Left rear door control unit
A205, C205:Rear control unit
30420alid for transmission 722:Intelligent servo module for DIRECT SELECT
30530Driver seat control unit
Driver seat heater control unit
Front seat heater control unit
30630Front passenger seat control unit
Front passenger seat heater control unit
Front seat heater control unit
3075AMG:Active engine mounts control unit
30830USA version:Electric Brake Control electrical connector
30910Emergency call system control unit
5HERMES control unit
Telematics services communications module
31020AMG:Active engine mounts control unit
31110Booster blower electronic blower regulator
31210Overhead control panel control unit
31310Hybrid:Power electronics control unit
3145AMG:Electronic differential control unit
3155Powertrain control unit
Valid for diesel engine:CDI control unit
Valid for gasoline engine:ME-SFI control unit
3167,5Supplemental Restraint System control unit
31730Panoramic sliding sunroof control module
Sliding roof control module
31820Stationary heater control unit
3195Hybrid:High-voltage PTC heater
32025AIRMATIC control unit
Adaptive damping system control unit
3215Japan version:Dedicated Short-Range Communications control unit
32220Head unit
3235Parking system control unit
MF1/17,5Audio/COMAND display
Audio equipment fan motor
MF1/27,5Stereo multifunction camera
Mono multifunction camera
MF1/37,5Rain/light sensor with additional functions
W205, S205, V205:Overhead control panel control unit
MF1/47,5Driver seat control unit
Driver seat heater control unit
Front seat heater control unit
MF1/57,5Front passenger seat control unit
Front passenger seat heater control unit
Front seat heater control unit
MF1/67,5Steering column tube module control unit
MF2/15Left front reversible emergency tensioning retractor
MF2/25Audio/COMAND control panel
Touchpad
MF2/35Right front reversible emergency tensioning retractor
MF2/45Heads-up display
MF2/55Multimedia connection unit
MF2/65Hybrid:Electrical refrigerant compressor
MF3/15Feedback line, terminal 30g, front SAM control unit
MF3/25Radar sensors control unit
MF3/3Spare
MF3/45Driver side instrument panel button group
MF3/55Rear air conditioning operating unit
MF3/65Tire pressure monitor control unit

Fuse Box in the Trunk

Variant 1

Variant 2

1 – Terminal 30 “E1” feed
2 – Terminal 30g “E2” feed

NumberADescription
40025BlueTEC:AdBlue®control unit
40115BlueTEC:AdBlue®control unit
40220BlueTEC:AdBlue®control unit
40330Valid up to 30.11.2015:Front passenger seat partially electric seat adjustment switch
25Valid as of 01.12.2015:Front passenger seat partially electric seat adjustment switch
40430Valid up to 30.11.2015:Driver seat partially electric seat adjustment switch
25Valid as of 01.12.2015:Driver seat partially electric seat adjustment switch
405Spare
40630Left front door control unit
407Spare
40830W205, S205, V205:Right rear door control unit
A205, C205:Rear control unit
409Spare
4105Stationary heater radio remote control receiver
Antenna changeover switch for telephone and stationary heater
41130Left front reversible emergency tensioning retractor
4127,5Hybrid:Battery management system control unit
4135Trunk lid control control unit
4145Tuner unit
4155Camera cover control unit
Perfume atomizer generator
4167,5Cellular telephone system antenna amplifier/compensator
Mobile phone contact plate
4175360° camera control unit
Reversing camera
4185Rear seat heater control unit
AIRSCARF control unit
4195Front passenger seat lumbar support adjustment control unit
4205Driver seat lumbar support adjustment control unit
421Spare
422Spare
4235Sound system amplifier control unit
42415AIR BODY CONTROL Plus control unit
Valid for engine 276:Engine sound control unit
425Spare
426Spare
427Spare
428Spare
429Spare
430Spare
43125Special-purpose vehicle multifunction control unit
43225Special-purpose vehicle multifunction control unit
43315Trailer recognition control unit
43415Trailer recognition control unit
30AMG:Electric parking brake control unit
43525Trailer recognition control unit
AMG:Electronic differential control unit
43615Trailer recognition control unit
43725Trailer recognition control unit
43830DC/AC converter control unit
4395Taximeter
Mirror taximeter
25A205:Rear control unit
44030Rear seat heater control unit
AIRSCARF control unit
44130AIRSCARF control unit
44225Fuel system control unit
44330Right front reversible emergency tensioning retractor
44415Tablet PC electrical connector
44515S205:Luggage compartment socket
44615Front cigarette lighterwith ashtray illumination
Vehicle interior power outlet
44715Right rear center console socket 12V
44810Valid for transmission 722, 725:Park pawl capacitor
4495Valid for engine 626:Fuel filter element with integrated heater
AMG:Electric parking brake control unit
4505Rear SAM control unit
4515Fuel system control unit
BlueTEC:AdBlue®control unit
4525Integrated outer right rear bumper radar sensor
Integrated outer left rear bumper radar sensor
Center rear bumper radar sensor
Outer right rear bumper radar sensor
Outer left rear bumper radar sensor
4535Left front bumper radar sensor
Right front bumper radar sensor
COLLISION PREVENTION ASSIST controller unit
4547,5Valid for transmission 722:Fully integrated transmission control unit
5Driving school package:
Footwell illumination switch
Pedal operation monitor switch
BlueTEC:AdBlue®control unit
4555DC/AC converter control unit
4565Front long-range radar sensor
DISTRONIC electric controller unit
4575Hybrid:
Power electronics control unit
Battery management system control unit
AMG:
Electronic differential control unit
Active engine mounts control unit
4585Rear switching module
4595Hybrid:Charger
AMG:AMG suspension control unit
46010KEYLESS-GO control unit
4615FM 1, AM, CL [ZV] and KEYLESS-GO antenna amplifier
46240Sound system amplifier control unit
46330W205, S205, V205:Rear window heater via rear window interference suppression capacitor
A205, C205:Soft top/vehicle interior electrical connector
46440Trunk lid control control unit
Liftgate control control unit
46540Rear SAM control unit
46640Rear SAM control unit
46740Valid for engine 626:Fuel filter element with integrated heater
A205:Rear control unit
Relay
SVehicle interior circuit 15 relay
TRear window heater relay
U2nd seat row cup holder and sockets relay
VBlueTEC:AdBlue®relay
X1 st seat row/trunk refrigerator box and sockets relay
YSpare relay
ZR1Valid for engine 626:Fuel filter heater relay
ZR2Reserve relay
ZR3Reserve relay

Interior prefuse box

F32/4k2 – Quiescent current cutout relay

NumberADescription
1Engine compartment prefuse box
2150Hybrid:Additional battery relay for ECO start/stop function
340Blower regulator
4Spare
5150Valid for diesel engine:PTC heater booster
680Right A-pillar fuse box
7150Rear fuse and relay module
8Spare
9Spare
1060Valid for transmission 722, 725:Fully integrated transmission control unit
100Hybrid:Fully integrated transmission control unit
11Spare
1240Rear fuse and relay module
1350Right A-pillar fuse box

Prefuse Box in Engine Compartment

Variant 1

Variant 2

F32/3k1 – Decoupling relay

NumberADescription
1Spare
2100Valid for diesel engine:Glow output stage
360Engine fuse and relay module
4On-board electrical system battery connection
5150Engine fuse and relay module
6125Left fuse and relay module
780Fan motor (600 W / 850 W)
8125Electrical power steering control unit
9150Fan motor (1000 W)
10200Vehicle interior prefuse box
11Spare
12Hybrid:Power electronics control unit
With engine 651.9 and USA version:Catalytic converter heater control unit
13400Alternator
C1Hybrid:Decoupling relay
C2Hybrid:Circuit 31
C3/140Valid except AMG:Electronic Stability Program control unit
C3/260Electronic Stability Program control unit

WARNING:Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

  • Electrical Distribution
  • Fuse panel

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Mercedes-Benz C-Class w205 (2014 - 2018)- fuse box diagram - Carknowledge.info (2024)

FAQs

How to open w205 fuse box? ›

 To open: press safety clips (1) on the cover together.  Remove fuse box cover (2) upwards.  Use a dry cloth to remove any moisture from the fuse box.  Loosen screws (3), fold up fuse box lid (4) and remove it.

Where is the secondary engine compartment fuse box? ›

The secondary under-hood fuse box is next to the battery. To open it, push the tabs as shown. If something electrical in your vehicle stops working, check for a blown fuse first. Determine from the chart on pages and , or the diagram on the fuse box lid, which fuse or fuses control that device.

Where is the fuse box panel located? ›

Look for the fuse box in closets, hallways, mudrooms, crawl spaces, basem*nts, utility rooms, or laundry rooms. Fuse boxes in more prominent locations might be covered with a wood panel or picture meant to disguise the appearance of the box cover or door.

How do you tell if AC fuse is blown? ›

If you think your air conditioner has blown a fuse, the first sign you'll notice is that the outside AC unit is inoperable. The best way to check for a blown fuse is by using a voltmeter. Be warned — you are working with live electricity and should use extreme caution when troubleshooting your system.

What are Class C fuses? ›

Class C fuses are not dimensionally or electrically interchangeable with other North American fuses. They feature ceramic bodies and bolt-in mounting. They are for short-circuit protection only, in motor controllers, for example, where overload protection is provided by an overload relay.

Why does my car have 2 fuse boxes? ›

Each box has a different purpose. The engine compartment fuse box is made to protect certain engine components including the anti-lock brake pump, engine control unit, and cooling system while the interior fuse box is used to protect cabin area electrical elements.

How do you identify a fuse box? ›

In general, most fuse boxes are located either under the dashboard, near the hood on the driver's side, or in the trunk. Once you have located your vehicle's fuse box, it is important to check the label or fuse diagram that is attached to it. This should indicate which type of fuses are used in each slot.

What fuse is for the dashboard? ›

Which Fuse Controls the Dashboard Gauge? The instrument cluster fuse manages the dashboard gauge of a vehicle. It uses electricity from the car battery to power various electronic components of the dashboard such as the different warning lights, gauges, and alarm systems.

Where is the main engine fuse located? ›

Usually, you will find two fuse boxes in the car. One is located under the hood and the other is found in the dashboard or near the steering wheel. The fuse under the hood protects important engine components and accessories like battery, ECU and cooling fan.

Where is the main fuse connected? ›

The main fuse is connected in the live wire so that if the current exceeds its rating, the fuse melts and breaks the circuit; thus, preventing the excessive current from flowing into the circuit.

Where is the body control module fuse located? ›

BCM and Fuses

These fuses are located in the fuse box or power distribution center, which can be found in the engine compartment, under the dashboard, or in the trunk, depending on the vehicle's make and model. These fuses protect various electrical systems that the BCM communicates with.

Where is my main fuse? ›

The first thing to do is find your main fuse box (these days called a consumer unit), which will be in the same place as your electricity meter. They're often in the main hallway of a house, in a purpose-built cupboard.

How much does it cost to replace a fuse box in a car? ›

Fuse Box Replacement Labor Cost

it usually takes 4 to 8 hours to replace a fuse box, so average total labor costs usually fall between $320 and $960. Book services and compare quotes from highly rated pros near you.

How many fuse boxes does my car have? ›

Most vehicles are equipped with two fuse boxes. One is located in the engine compartment and is used to protect engine components such as the cooling system, anti-lock brake pump, and the engine control unit.

How do you open the fuse box under the dash? ›

To remove the fuse box lid, put your finger in the notch on the lid, pull it toward you, and take it out of its hinges. The fuses are located in five fuse boxes. The interior fuse boxes are located under the dashboard on the driver's and passenger's side.

References

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