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 ...

Notes on regularly inspecting wheelsand tires
WARNING   Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause acci ...

Rear axle level control
The vehicle automatically sets the vehicle level at the rear axle. Rear axle level control ensures the best possible suspension and that the ground clearance remains constant even when the veh ...