See also:

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes- ...

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. ...

Setting the front-compartment temperature using the front control panel
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press the rocker switch up or down. Only change the temperature setting in small increments. Start at 72 °F (22 °C ...