See also:

Cleaning the wheels
Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, pa ...

Cleaning the headliner and carpets
► Roof lining: use soft brushes or dry shampoo if it is particularly dirty. ► Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...

Interior
As much as I like how the CL looks from the outside, it's on the inside that Mercedes outdoes the competition: Everything you see or touch looks and feels good. If I shelled out the cash for a CL, ...