See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Cleaning the exterior lighting
► Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning cl ...

Important safety notes
WARNING   When operating the climate control, the air that enters the passenger compartment through the air vents can be very hot or very cold (depending on the set temperature). This c ...