See also:

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wor ...

Cleaning the headliner and carpets
•► Roof lining: use soft brushes or dry shampoo if it is particularly dirty. •► Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...

Important safety notes
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 unsupervised in the vehicle, ...