Table of Contents
Mercedes-Benz GLA-Class is a luxury mini-crossover produced by the German company since December 2013 in Europe. It was presented at the Frankfurt Motor Show 2013. In this article, we will take a detailed look at the fuse box diagrams for the Mercedes GLA (first generation / factory index X156) 2013, 2014, 2015, 2015, 2016, 2017, 2018, 2019 and 2020 years of manufacture with designations GLA180, GLA200, GLA220, GLA250, GLA 45 AMG.
Here you will find the locations and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.
In the engine compartment
The distribution box is located on the left side of the engine compartment.
It consists of two sections.
| Diagram | ||
|---|---|---|
| No. | Description | Amps |
| Section 1 | ||
|
||
| F1 |
|
300 / 400 |
| F2 | Fuse box in the passenger compartment (gasoline) | 200 |
| Interior Fuse Box (Diesel) | 250 | |
| F3 | Power steering control unit | 100 |
| F4 | SAM control unit | 40 |
| F5 | Fan motor | 80 |
| F6 | engine 607: fuel heating control unit | 70 |
| F7 | engine 607: DPF regeneration auxiliary heater control unit | 125 |
| F8 | engines: 651, 607: Glow plug output stage module | 100 |
| F32k1 | Decoupling relay | - |
| Section 2 | ||
|
||
| J | Horn (beep) elay | |
| K | Wiper speed relay 1/2 | |
| L | Wiper relay on/off | |
| M |
|
|
| N | Relay terminal 87M | |
| O | Relay terminal 87 of parking interlock control unit (type 242.890) Gearbox oil coolant circulation pump relay |
|
| P | spare relay | |
| Q |
|
|
| R | Relay terminal 15 | |
| S | Relay terminal 87 | |
| T | Heated windshield relay | |
| 201 | alarm siren | 5 |
| 202 | Auxiliary heater control unit | 20 |
| type 242.890: Relay terminal 87 parking lock control unit | 5 | |
| 203 | Front right headlight | 15 |
| Transmission control unit (type 242.890) | 5 | |
| 204 | Control unit for electronic motion stabilization system | 25 |
| 205 | Horn (left and right beep) | 15 |
| 206 | engine 651: CDI control unit type 242.890: Transmission control unit, Relay for 87M terminal circuit, Brake booster vacuum pump relay |
5 |
| 207 | type 242.890: High-voltage battery cooling shut-off valve, Parking interlock control unit. Diesel: Relay for electrical circuit terminal 87M |
5 |
| 208 | Terminal 87 relay (motors: 133, 607) | 7.5 |
| Fan motor (type 242.890) | 5 | |
| 209 | Front left headlight | 15 |
| Reserve (type 242.890) | - | |
| 210 | Heated front window relay | 5 |
| type 176 from 09/01/2015, type 246 from 11/03/2014: Starter pre-relay | - | |
| 211 | CNG control unit (type 242.848) | 7.5 |
| Heating circuit circulation pump (type 242.890) | 15 | |
| 212 | engines 133, 270: Cable lug of electric circuit terminal 87M3 651 engine: Exhaust gas recirculation cooler bypass switch valve, Vent line heater, Cooling system thermostat heater. 607 engine: CDI control unit, Boost pressure control servomechanism, Lambda probe before catalytic converter. type 242.890: Electric drive and charger coolant pump |
15 |
| 213 | type 242.890: Coolant pump 1 for cooling the battery, engines 133, 270, 651: Cable end coupling terminal 87. engine 607: camshaft Hall sensor, Lambda probe after catalytic converter, CDI control unit, metering valve |
15 |
| 214 | motors 133, 270, 651: Terminal 87 cable termination | 10 |
| Type 242.890: Coolant pump 2 for battery cooling | 15 | |
| 215 | gasoline engines: Cylinder ignition coils 1/2/3/4; engine 607: CDI control unit, metering valve, boost pressure control servo; engine 651: Metering valve |
20 |
| Type 242.890: Transmission Gateway Control Unit, Thermal Management Unit | 5 | |
| type 242.890 as of 11/03/2014: High-voltage power distributor | 5 | |
| 216 | engine 607: Transmission control unit / petrol engines: ME control unit | 5 |
| 217 | 724 Transmission: Control unit for fully integrated dual clutch transmission control system | 25 |
| 218 | Control unit for electronic motion stabilization system | 5 |
| 219 | type 242.890: Parking lock control unit | 5 |
| 220 | 724 Transmission: Circulation pump of the transmission oil cooling system | 10 |
| 221 | type 242.890: Vacuum pump | 40 |
| 222 | type 242.890: Electric air conditioner compressor | 7.5 |
| 223 | Spare | |
| 224 | COLLISION PREVENTION ASSIST control module, DISTRONIC electrical control module | 7.5 |
| 225 | Type 242.890: Transmission control unit | 5 |
| 226 |
|
5 |
| 227 | Type 242.890: Power electronics control module | 5 |
| 228 | Type 242.890: Electric vehicle sound generator | 5 |
| 229 | Front left headlight | 5 |
| 230 | Control unit for electronic motion stabilization system | 5 |
| 231 | Front right headlight | 5 |
| 232 | headlight control module | 15 |
| 233 | Spare | - |
| 234 | 607 engine: Transmission control module | 5 |
| type 242.890: High voltage power distributor | 10 | |
| 235 |
|
7.5 |
| 236 | SAM management module | 40 |
| 237 | Electronic motion stabilization control module | 40 |
| 238 | Heated windshield | 50 |
| 239 | Wiper Mode Relay 1/2 | 30 |
| 240A | Starter terminal 50 relay | 25 |
| Type 242.890: Transmission control unit | 7.5 | |
| 240B | without support: Relay terminal 15 | 25 |
| 241 | type 242.890: High voltage electric heater system | 7.5 |
In the cabin
The fuse box is located behind the floor pan in the front passenger's feet.
Access example.
| Diagram | ||
|---|---|---|
|
||
| No. | Relay | |
| A | terminal 15 | |
| B | rear window wiper | |
| C | terminal 15R2 | |
| D | rear window heating | |
| E | terminal 15R1 | |
| F | terminal 30g | |
| G | terminal 87 parking interlock actuator motor (type 242.890) | |
| No. | Fuses | Amps |
| 21 | Additional electric heater (models with a diesel engine) | 150 |
| 22 | Additional battery relay for ECO Start-Stop function | 200 |
| 23 | front left door control | 30 |
| 24 | front right door control | 30 |
| 25 | SAM control unit | 30 |
| 26 | Additional battery cable termination for “ECO Start-Stop” function | 10 |
| 27 | fuses and relays in the engine compartment | 30 |
| 28 |
|
5 |
| 29 | Trailer detection control unit (from 03.11.2014) / Trailer socket (up to 02.11.2014) | 15 |
| 30 | Trailer detection control module | 5 |
| 31 | AWD control module | 5 |
| 32 | Signals from the steering control unit | 5 |
| 33 | Audio / COMAND system control panel | 5 |
| 34 | Climate Control Panel | 7.5 |
| 35 | Type 117, 176, 242, 246: Rear window heating | 40 |
| type 156: Rear window heating | 30 | |
| 36 | Driver's seat lumbar support adjustment control unit, Driver's seat control unit | 7.5 |
| 37 | Audio module / COMAND system display | 7.5 |
| 38 | Control unit for passenger restraint system (Supplemental Restraint System) | 7.5 |
| 39 | Ceiling Control Panel | 10 |
| 40 | engine 651: Transmission control module | 15 |
| Type 242.890: Transmission control module | 5 | |
| 41 | Panoramic sliding sunroof control module | 30 |
| 42 | Audio module, COMAND control module | 5 |
| Audio module | 25 | |
| 43 | Parking assistance control unit | 5 |
| 44 | Reversible front left seatbelt tensioner | 40 |
| 45 | Reversible front right seatbelt tensioner | 40 |
| 46 | Front passenger seat lumbar support adjustment control unit, Front passenger seat control unit, Front passenger seat control unit | 7.5 |
| 47 | Holder Control Unit for iPhone, Navigation Module | 7.5 |
| Control unit for adaptive damping system | 25 | |
| 48 | Not used | - |
| 49 | Drive Kit Control Unit for iPhone | 7.5 |
| COMAND fan motor | 5 | |
| 50 | Camera Cover Control Unit | 5 |
| 51 | Not used | - |
| 52 | Parking interlock actuator motor signal | 30 |
| 53 | Not used | - |
| 54 | Not used | - |
| 55 | KEYLESS-GO System, Telecommunication Services Communication Module | 5 |
| 56 | Signals from the steering column electronic module control unit | 10 |
| 57 | Multifunction control unit for special vehicle | 30 |
| 7.5 | ||
| Terminal 87 relay Park lock actuator | 5 | |
| 58 | Special Vehicle Fuse Box | 30 |
| 59 | Front passenger seat control unit | 30 |
| 60 | Driver's seat control unit | 30 |
| 61 | Audio system amplifier | 40 |
| 62 | Electric steering lock control unit (gearbox 711) | 20 |
| 63 | Fuel pump control unit | 25 |
| Transmission interface control unit (type 242.890) | 5 | |
| 64 | Control unit “Electronic Toll Collection” | - |
| DSRC Toll Communication Control Unit | - | |
| 65 | Glove box light | 5 |
| 66 | Special Vehicle Fuse Box | 15 |
| Special vehicle interface | 5 | |
| 67 | Not used | - |
| 68 | Not used | - |
| 69 | Not used | - |
| 70 | Cigarette lighter socket in the center console in the rear | 25 |
| 71 | Cigarette lighter socket in trunk | 25 |
| 72 | Front cigarette lighter socket with ashtray illumination | 25 |
| 73 | Electric parking brake control unit | 30 |
| 74 | 30 | |
| 75 | Trailer detection control unit | 20 |
| Battery management system control unit (type 242.890) | 5 | |
| 76 | Trailer recognition control module | 25 |
| Parking interlock control unit (type 242.890) | 5 | |
| 77 | Trailer recognition control module | 25 |
| 78 | Trunk lid control / trunk compartment door tilt actuator control unit | 40 |
| Special Vehicle Fuse Box | 40 | |
| 79 | SAM management module | 40 |
| 80 | SAM management module | 40 |
| 81 | Fan controller | 40 |
| 82 | Ceiling Control Panel | 10 |
| 83 | Electronic ignition lock control module | 7.5 |
| 84 | Upper block control panel | 5 |
| 85 | EDW / Tow Protection / Interior Monitor Control Module | 5 |
| 86 |
|
5 |
| 87 | Diagnostic connector | 10 |
| 88 | instrument cluster | 10 |
| 89 | Outdoor lighting switch | 5 |
| 90 | Intelligent radar sensor in rear bumper left and right | 5 |
| 91 |
|
5 |
| 92 | Mercedes GLA fuel pump fuse | 5 |
| type 242.890: Transmission interface control unit | 5 | |
| 93 | Electric parking brake control module | 5 |
| 94 | Passenger Restraint System (SRS) Control Module | 7.5 |
| 95 | Weight Sensing System control module, Front passenger seat occupancy detection system | 7.5 |
| 96 | Tailgate wiper motor | 15 |
| 97 | Cell phone electrical plug connection | 5 |
| 98 | SAM control unit | 5 |
| 99 | Tire pressure monitoring control unit | 5 |
| 100 | DIRECT SELECT interface (engine 133) | 5 |
| 101 | All-wheel drive control unit | 10 |
| 102 | Receiver of the radio remote control of the autonomous heater | 5 |
| Type 242.890: Transmission control unit | ||
| AMG, from 01.09.2015: Drive mode control unit | ||
| as of 06/01/2016: Antenna switch for telephone and auxiliary heater | ||
| 103 | HERMES Control Unit, Emergency Call System Control Unit, Telecommunication Services Communication Module | 5 |
| 104 | Media Connectivity Module, Media Interface Control Unit | 5 |
| 105 | Satellite Digital Audio Radio (SDAR) Control Unit, Digital Audio Broadcasting Control Unit | 5 |
| tuner module | 7.5 | |
| 106 | Multifunction camera | 5 |
| 107 | Digital TV tuner | 5 |
| 108 | Rear View Camera | 5 |
| as of 06/01/2016: Rear view camera | 7.5 | |
| 109 | Electrical plug socket connection in the luggage compartment | 20 |
| 110 | Motorsound control unit, COMAND control module, Audio module | 30 |
