See also:

Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of th ...

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. ...

Uploading/downloading data
With this function, you can transfer COMAND data from one system (vehicle) to another system (vehicle). You can use either a USB stick or an SD card as temporary storage. You can only transfer ...