See also:

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. ► Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, ...

Activating/deactivating Lane Keeping Assist
You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist or Active Lane Keeping Assist. •► Press the button on the steering wheel to select the DriveAssist me ...

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 ...