See also:

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

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 ...

Cigarette lighter
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle ...