See also:

Removing the mechanical key
Removing the mechanical key Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section. At speeds above approximately 4 mph (7 km/h), BAS PLUS assists you ...

Setting the temperature
Different temperatures can be set for the driver's and front-passenger sides. Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: turn controls 1 and 8 clockwise or cou ...