See also:

Cleaning the display
Before cleaning the display, make sure that it is switched off and has cooled down. Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display cleaner. ...

Cleaning genuine wood and trim elements
•► Wipe the wooden trim and trim pieces with a damp, lint-free cloth, e.g. a microfiber cloth. •► Heavy soiling: use car care and cleaning products recommended and approved by Mer ...

Using the rear center seat belt
If the left-hand rear seat backrest is folded down and back up again, the rear center seat belt may lock. The seat belt can then not be pulled out. To release the rear center seat belt: pull out ...