See also:

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...

Setting the airflow
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press the or button. You can use automatic climate control to set the airflow in the rear compartment sep ...

Additives
Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...