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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    Opening the hood
    WARNING   Do not pull the release lever while the vehicle is in motion. Otherwise, the hood could be forced open by passing air flow. This could cause the hood to come loose and injure ...

    Brakes
    Important safety notes WARNING   On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your ve ...

    Headlamp washers
    If the headlamps are on, and there is sufficient liquid in the washer reservoir, operating the screen wash will also power-wash the headlamps. The headlamp power wash will operate on every fifth op ...