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 bonnetChanging bulbs in the front headlights (halogen H7)
Fig. 180 Rear view of the
right-hand H7 front headlight: dipped beam ①, turn signal ②, and main beam and
side light ③
First read and observe the introductory
information and safety warnings
The actions should only be carried out in the speci ...
Pressures, Checking
Note
Check cooling performance. The A/C system is functioning
correctly when the air flowing from the instrument panel vents
has a temperature of 70C or lower.
Setting on Climatronic “LO”.
...
Two-Part HS Mixed Filler
Definition:
Two-Part HS Mixed Filler -LGF 810 150 A4-, white
Two-Part HS Mixed Filler -LGF 810 151 A4-, black
Two-Part HS Mixed Filler -LGF 810 152 A4-, red
Two-P ...