See also:

Problems with the steering wheel heating
The steering wheel heating 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. - S ...

Roadside Assistance button
► Open the stowage compartment under the armrest. ► Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assi ...

Safety systems
WARNING Driving with the brake warning lamp illuminated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Do not add brake fluid before che ...