Removing and installing engine control unit -J623- (with protective housing)General repair instructions
–
→ Chapter „Safety precautions when working on high-voltage
system“ Comply with notes.
–
Read self-diagnosis of auxiliary heater using vehicle
diagnostic tester.
–
...
Safety precautions when working on vehicles with a Start/Stop system
During work on vehicles with Start/Stop system, observe the
following:
WARNING
Injury hazard as a result of automatic engine start
in vehicles with Start/Stop system
...
Assembly overview - three-point seat belt, 4-door model, with belt tensioner
1 -
Belt inertia reel
Removing and installing
→ Chapter
2 -
Electrical wiring harness
3 -
Bolt
If removed due to an accident with seat belt fastened, renew bolt
40 Nm
4  ...