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 c ...

Setting the side air vents
To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut ...

2009 Mercedes-Benz CL-Class Review
Sometimes, being the only car of a particular type or price can put you in a lonely place — lonely enough that automakers usually avoid it, preferring to make their own copy of what everyone else ...