Mercedes-Benz GL-Class: Problems with fuel and the fuel tank - Refueling - Driving and parking - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Problems with fuel and the fuel tank

DEF

    Fuel filler flap emergency release
    WARNING   Avoid contact with the vehicle walls as they may contain sharp edges. Otherwise, you could injure yourself while releasing the fuel filler flap. The emergency release is locat ...

    DEF
    Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under no ...

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    Variable voltage control system
    CAUTION ► Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. &# ...

    Battery Voltage and Charging Messages
    BATTERY SAVER ACTIVE This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the veh ...

    Cleaning the wheels
    Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...