See also:

Replacing the rear window wiper blade
Removing the wiper blade Remove the SmartKey from the ignition lock. Fold wiper arm 1 away from the rear window until it engages. Position wiper blade 2 at a right angle to wiper arm 1. Ho ...

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 Mercede ...

Cigarette lighter
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle ...