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 ...

Service menu
In the Serv. menu you can:  - call up display messages  - restart the tire pressure loss warning system (Canada only) Rcheck the tire pressure electronically  - call up the ...

Before changing a fuse
► Park the vehicle and apply the parking brake. ► Switch off all electrical consumers. ► Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...