See also:

Problems with the seat ventilation
The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. •► ...

NECK-PRO head restraints/NECKPRO luxury head restraints (except AMG vehicles)
NECK-PRO head restraints/NECK-PRO luxury head restraints increase protection of the driver's and front-passenger's head and neck. In the event of a rear collision of a certain severity, the NE ...

Vehicle
Activating/deactivating the automatic door locking feature If you select the Automatic Door Locking function, the vehicle is centrally locked above a speed of around 9 mph (15 km/h). For furth ...