See also:

Rear seat head restraints
WARNING For safety reasons, always drive with the rear head restraints in the upright position when the rear seats are occupied. Keep the area around head restraints clear of articles (e.g. c ...

Service for recovering a stolen vehicle
If your vehicle has been stolen: Notify the police. The police will issue a numbered incident report. This number will be forwarded to the Mercedes-Benz Customer Assistance Center togethe ...

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...