See also:

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 cloths ...

Maintenance
The Service and Warranty Booklet describes all the necessary maintenance work which should be done at regular intervals. Always have the Service and Warranty Booklet with you when you bring the ...

Override feature for the rear sidewindows
WARNING   When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. ...