See also:

Correct use of the seat belts
WARNING USE SEAT BELTS PROPERLY - Seat belts can only work when used properly. Never wear seat belts in any other way than as described in this section, as that could result in serious injuri ...

Activation conditions
You can activate the HOLD function if:  - the vehicle is stationary.  - the engine is running.  - the driver's door is closed or your seat belt is fastened.  - the p ...

Important safety notes
For reasons of safety, Mercedes-Benz recommends that you drive with the lights switched on even during the daytime. In some countries, operation of the headlamps varies due to legal requiremen ...