See also:

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...

Windshield/headlamp cleaning system
WARNING Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned. Use MB Sum ...

Deactivating cruise control
There are several ways to deactivate cruise control: Briefly press the cruise control lever forwards 3. or Brake. Cruise control is automatically deactivated if: you depress the park ...