See also:

High-Tech Features
Distronic Plus takes adaptive cruise control — of which Mercedes was a pioneer — to another level. Adaptive cruise uses a front-mounted radar device to maintain the following distance from the car ...

Important safety notes
Do not leave the SmartKey in the cargo compartment. You could otherwise lock yourself out. WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take t ...

The windshield wipers are obstructed
Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. For safety reasons, you should remove the SmartKey from the ignition lock. ...