See also:

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. – Turn the SmartKey to position 2 (Y page 139) in the ignition lock. On vehicles with KEYLES ...

Correct driver's seat position
Correct driver's seat position Observe the safety guidelines on seat adjustment. Check whether you have adjusted seat 3 properly. Electrical seat adjustment. When adjusting the seat, make s ...