See also:

Unlocking the trunk (mechanical key)
The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid. If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the ...

Correct use of the seat belts
WARNING   USE SEAT BELTS PROPERLY • Seat belts can only work when used properly. Never wear seat belts in any other way than as described in this section, as that could result in seriou ...

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 Mercedes-Benz. ...