See also:

Connecting another mobile phone
If you have authorized more than one mobile phone, you can switch between the individual phones. You can only switch to another authorized phone if you are not currently making a call. Selec ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Checking tire pressure electronically
  Make sure that the SmartKey is in position 2 in the ignition lock.   Press the or button on the steering wheel to select the Service menu.   Press the or button to sel ...