Mercedes-Benz GL-Class: Lowering the vehicle - Changing a wheel and mounting thespare wheel - Flat tire - Breakdown assistance - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Lowering the vehicle

Place the ratchet wrench onto the hexagon nut of the jack so that the letters AB are visible.
Turn the ratchet wrench until the vehicle is once again standing firmly on the ground.
Place the jack to one side.

► Tighten the wheel bolts evenly in a

Tighten the wheel bolts evenly in a crosswise pattern in the sequence indicated (1 to 5 ). The tightening torque must be 110 lb-ft (150 Nm).

WARNING Have the tightening torque checked 
Have the tightening torque checked immediately after a wheel is changed. The wheels could come loose if they are not tightened to a torque of 110 lb/ft (150 Nm).

Turn the jack back to its initial position and store it together with the rest of the vehicle tool kit in the cargo compartment.

Vehicles with an emergency spare wheel:

Wrap the defective wheel in the protective film included with the emergency spare wheel and transport the wheel in the cargo compartment.
Depending on the size of the wheel, you may also be able to secure the defective wheel in the emergency spare wheel well.

In this case, you must remove the stowage tray from the emergency spare wheel well and store it securely in the cargo compartment.

spare wheel mounted, the tire pressure When you are driving with the collapsible spare wheel mounted, the tire pressure loss warning system or the tire pressure monitoring system cannot function reliably. Only restart the tire pressure loss warning system/tire pressure monitoring system when the defective wheel has been replaced with a new wheel.

Vehicles with tire pressure monitoring system: all mounted wheels must be equipped with functioning sensors and the defective wheel should no longer be in the vehicle.

    Mounting a new wheel
    WARNING   Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to ...

    MOExtended tires (tires with run-flatproperties)
    MOExtended tires (tires with run-flat properties) allow you to continue driving your vehicle even if one or more tires are entirely deflated. MOExtended tires may only be used in conjunction wi ...

    See also:

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    If vehicle speed drops below 5 mph (8 km/h) with the wipers operating, the wipers will switch to the next lowest speed. When vehicle speed increases to over 5 mph (8 km/h), the original wiper spee ...

    Tips and Troubleshooting Chart