Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
61 31 174 Removing and installing operating unit for additional seat functions
Special tools required:Β
Release latch mechanism (1) on operating unit (2) using special tool 64 1 020 . At same time carefully lever out operating unit (2) using special tool 00 9 317 .
Disconnect plug connection behind and remove operating unit (2).
Installation note:Β
Make sure operating unit for additional seat functions (2) is correctly seated.
Right-hand drive vehicles only:Β
The operating unit in the rear passenger compartment is always supplied with the ID for left-hand drive vehicles.
It is therefore necessary after replacement to execute the service module Configuration memory switch rear passenger compartment to new allocation of ID for right-hand drive vehicles.
Perform following service function:Β
- Configuration memory switch rear passenger compartment
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.