Relay under steering column
1. Power window relay, sliding roof panel
2. Crash sensor jumper
3. Parking ventilation relay
4. Headlamp washer relay
5. Relay for rear window cleaning system, windshield washer pump
6. Amplifier relay (radio receiver)
Relay in footwell left
1. Starter interlock relay jumper
2. Wiper relay stage I
3. Wiper relay stage II
4. Unloading relay terminal 15
5. Unoccupied
Control units behind the glove box
A - in the electronics unit
1. Airbag control unit
2. Burglar alarm system (DWA)
3. Not busy
4. Not busy
5. Control unit of the Tempomat system (speed control)
B - on the right side wall
1. ABS control unit, including the central locking system module.
2. Impact switch on the right A-pillar.
Relay board behind glove box
Door lock heating relay
Thermal shutdown unit or daytime running light relay
Fog lamp relay
Attention: On vehicles equipped with air conditioning, relay 17 is located above relay 15.
Control units in the engine compartment behind the battery rack
- top - automatic transmission control unit
- bottom - Block digital electronic engine control system (DME, Motronic)
Other relays and control units
Sliding roof panel relay - in the roof, attached to the drive.
The windshield wiper and washer control unit is in the footwell of the driver.
Interior lighting relay - Controlled via the central locking system module.
Audio amplifier - in the luggage compartment.
Relay box in the engine compartment
Petrol engines:
1 Lambda probe heating relay
2 Main relay of the engine management system (OME)
3 Fuel pump relay
Diesel engines:
1 Fuel pump relay
2 Main relay of the engine management system (DDE)
3 Unoccupied