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 work, it must not be returned to the tank. The purity of the fluid can no longer be guaranteed.

service products, cleaning agents or dust) Impurities in DEF (e.g. due to other service products, cleaning agents or dust) lead to:
• increased emission values
• damage to the catalytic converter
• engine damage
• malfunctions in the BlueTEC exhaust gas aftertreatment system

    See also:

    Pause function
    This function is only available in audio DVD mode. To pause playback: select using the buttons on the remote control and press the button to confirm. The display changes to . To con ...

    Starting procedure with the SmartKey
    To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/Stop button out of the ignition lock. Turn the SmartKey to position 3 in the ignition lock and release it as so ...

    Notes on selecting, mounting and replacing tires
    • Only mount tires and wheels of the same type and make. • Only mount tires of the correct size onto the wheels. • After mounting new tires, run them in at moderate speeds for the first 60 miles ( ...