See also:

Headlamps fogged up on the inside
The headlamps may fog up on the inside if there is high atmospheric humidity. Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the journey and ...

Adjusting the lumbar support
You can adjust the contour of the front seats so as to provide optimum support for your back. Move adjustment lever 1 in the direction of the arrow until the desired backrest contour is ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions ...