See also:

Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. The operation of air-recirculat ...

Locking and unlocking centrally
The SmartKey centrally locks/unlocks: - the doors - the trunk lid/tailgate - the fuel filler flap When unlocking, the turn signals flash once. When locking, they flash three times When ...

Safety
The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for Highway Safety, meaning it received the top score of Good in front- and side-impact crash tests, as well as for roof st ...