Mercedes-Benz

Opening and closing the bonnet

WARNING Risk of accident due to driving with the bonnet unlocked

The bonnet may open and block your view.

Never release the bonnet when driving.

Before every trip, ensure that the engine bonnet is locked.

WARNING Risk of accident and injury when opening and closing the bonnet

The bonnet may suddenly drop into the end position.

There is a risk of injury for anyone in the bonnet's range of movement.

Open or close the bonnet only when there is nobody in the bonnet's range of movement.

WARNING Danger of burns when opening the bonnet

If you open the engine bonnet when the engine has overheated or during a fire in the engine compartment, you could come into contact with hot gases or other escaping operating fluids.

Before opening the bonnet, allow the engine to cool down.

In the event of a fire in the engine compartment, keep the engine bonnet closed and call the fire service.

WARNING Risk of injury due to moving parts

Components in the engine compartment may continue running or start up suddenly, even if the ignition is switched off.

Make sure of the following before performing tasks in the engine compartment:

Switch the ignition off.

Never reach into the danger zone surrounding moving components, e.g. the rotation area of the fan.

Remove jewellery and watches.

Keep items of clothing and hair away from moving parts.

WARNING Risk of injury from touching components under voltage

The ignition system and the fuel injection system work under high voltage. You could receive an electric shock.

Never touch components of the ignition system or the fuel injection system when the ignition is switched on.

The following are examples of live components:

ignition coils
spark plug connectors
injectors

WARNING Risk of burns from hot component parts in the engine compartment

Certain components in the engine compartment can be very hot, e.g. the engine, the radiator and parts of the exhaust system.

Allow the engine to cool down and only touch component parts described in the following.

If you have to carry out any work in the engine compartment, touch only the following components:

bonnet
oil dipstick
engine oil filler opening cap
washer fluid reservoir cap
coolant expansion reservoir cap

NOTE Damage to bonnet or windscreen wipers when opening the bonnet

If the windscreen wipers have been folded back from the windscreen when the bonnet is opened, the windscreen wipers or the bonnet may be damaged.

Ensure that the windscreen wipers have not been folded back from the windscreen.

Opening the bonnet

Park the vehicle safely and on a level surface if possible.

Secure the vehicle against rolling away More.

Switch off the engine.

Pull bonnet release handle

The bonnet has been unlocked.

Reach into the gap, push lever

of the bonnet catch to the left and lift the bonnet.

When the bonnet has opened around 40 cm, it is automatically opened and held by the gas pressure spring dampers.

Closing the bonnet

WARNING Risk of fire due to flammable materials in the engine compartment or on the exhaust system

Flammable materials may ignite.

Ensure that there are no flammable external materials in the engine compartment or on the exhaust system after maintenance work has been carried out.

NOTE Damage to the bonnet due to pressing it closed manually

Pushing the bonnet closed with your hands could damage it.

To close the bonnet, let it drop from the specified height.

Lower the bonnet and let it fall from a height of approximately 30 cm, applying a little force as you let it go.

The bonnet will fall into the lock audibly.

Check whether the bonnet has been locked correctly.

If you can raise the bonnet slightly, it has not been locked correctly.

If the bonnet has not been locked correctly, open it again and let it fall, applying slightly more force as you let it go.