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 bonnetRoll-back function for the electric windows
First read and observe the introductory information
and safety warnings
The roll-back function for the electric windows can reduce the risk of injuries
when the windows are closing . If the one-touch closing function for a window does
not work because it is stiff or is being obstructed, the w ...
Battery with Visual Indicator, Checking
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
Perform Battery Checks in the Follo ...
Increasing Temperature Due To Low Tire Pressure
The diagram shows the temperature behavior of a tire at
speed of 180 km/h (111.84 mph).
A -
Normal range: when maintaining the specified tire pressure,
the temperature remains stable.
B -
...