The following steps should always be carried out in the specified order before working in the engine compartment :

Park the vehicle on a level and stable surface.

Depress and hold the brake pedal until the engine has stopped.

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

Select the neutral position or move the selector lever to 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_6 .

Allow the engine to cool sufficiently.

Children and other people should be kept well away from the engine compartment.

Ensure that the vehicle cannot roll away unexpectedly.

WARNING
Preparing the vehicle for working in the engine compartment
Opening and closing the bonnetA/C System and Refrigerant R134a Safety Precautions
A/C Service Station -VAS6007A- (and further or current A/C
Service Station)
Refer to the Workshop Equipment Catalog.
WARNING
It is recommended to have an eye-flushing bot ...
Introduction
This chapter contains information on the following subjects:
→ Indicator lamps
→ Catalytic converter
→ Diesel particulate filter
Additional information and warnings:
Changing gear
Filling the tank
Fuel
Engine oil
Battery
Informati ...
Changing a wheel
Fig. 170 Changing the wheel:
removing the wheel bolts with the screwdriver handle
First read and observe the introductory
information and safety warnings
Removing the wheel
Read the checklist .
Loosen the wheel bolts .
Jack up the vehicle .
Using the hexagonal socket ...