See also:

Important safety notes
WARNING Only use roof racks approved by Mercedes- Benz for your vehicle model to avoid damage to the vehicle. Follow the manufacturer's installation instructions. Otherwise, an improperly ...

Activation conditions
You can activate the HOLD function if: Rthe vehicle is stationary. Rthe engine is running. Rthe driver's door is closed or if your seat belt is fastened. Rthe electric parking brake is released. ...

Cleaning the seat belts
Use clean, lukewarm water and soap solution. Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 ‡ (80 †) or placing them in dire ...