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 bonnetRun-Flat System PAX, Support Ring
Dimensions
Overview of the most important dimensions:
Names
Example: 90-500(35) CLI A 1 876107
90 -
Designated width in millimeter ...
Waxing and polishing the vehicle
First read and observe the introductory information
and safety warningsWaxing
Waxing protects the paintwork. You will need to re-wax the vehicle with a good
hard wax if water no longer clearly forms small drops
and runs off the paintwork when it is clean.
Even if a wax solution is used regul ...
Introduction
This chapter contains information on the following subjects:
→ Indicator lamp
→ Description of the central locking system
→ Locking and unlocking the vehicle from the outside
→ Locking and unlocking the vehicle from the inside
→ SAFELOCK mechanism
&nb ...