The following actions must always be carried out in the given order in preparation for changing the wheel :

In the event of a flat tyre, park your vehicle on a firm and level surface at a safe distance from the flow of traffic.

Apply the handbrake firmly Braking, stopping and parking Brakes Parking .

Automatic gearbox: move the selector lever to position P Changing gear Changing gear Automatic gearbox see Automatic gearbox_0 Automatic gearbox see Changing gear_0 Automatic gearbox Manual gearbox see Changing gear_0 Manual gearbox .

Stop the engine and remove the key from the ignition Starting and stopping the engine Engine and ignition Ignition see Engine and ignition_0 .

Manual gearbox: select a gear Changing gear Changing gear Automatic gearbox see Automatic gearbox_0 Automatic gearbox see Changing gear_0 Automatic gearbox Manual gearbox see Changing gear_0 Manual gearbox .

Ensure that all vehicle occupants exit the vehicle and go straight to a safe place, e.g. behind the safety barrier.

Chock the wheel opposite the wheel being worked on with a stone or a similar object.

When towing a trailer, unhitch the trailer from the vehicle and park it properly.

Remove any items of luggage from the luggage compartment.

Remove the spare wheel or temporary spare wheel and vehicle toolkit from the luggage compartment.

Remove the hubcaps Hubcaps Hubcaps .

WARNING
Preparations for changing a wheel
Wheel boltsLong-Term Underbody Protection -D 314 D37 M2-, Black
Definition:
Long-Term Underbody Protection -D 314 D37 M2-, Black
Edition 02/2010
Product description of Long-Term Underbody Protection -D 314
D37 M2-, Black
Long-Term Underbo ...
Replacing Reservoir, No Contaminants, No Loss of Refrigerant
Discharge the refrigerant circuit.
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Replace the restrictor depending on the vehicle.
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Remove receiver or accumulator.
–
Remove dirt from receiver or res ...
Valve, Removing and Installing, Rubber Valve
Make sure wheel rim is clean.
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Using the Valve Fitting Tool Valve Fitting Tool -VAS6459--1-,
insert a new tire valve.
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Remove the valve insert.
...