Mercedes-Benz C-Class Wagon Owner's Manual page 323

320 Maintenance and care
& WARNING Risk of burns when opening
the bonnet
If you open the bonnet when the engine has
overheated or when there is a fire in the
engine compartment, the following situations
may occur:
You could come into contact with hot
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gases.
You could come into contact with other
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hot, escaping operating fluids.
Before opening the bonnet, allow the
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engine to cool down.
In the event of a fire in the engine com‐
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partment, keep the 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.
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Never reach into the danger zone sur‐
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rounding moving components, e.g. the
rotation area of the fan.
Remove jewellery and watches.
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Keep items of clothing and hair away
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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
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system or the fuel injection system
when the ignition is switched on.
The live components include the following, for
example:
ignition coils
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fuel injectors
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electric lines to the ignition coils or the fuel
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injectors
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain component parts in the engine com‐
partment can be very hot, e.g. the engine,
the cooler and parts of the exhaust system.
Allow the engine to cool down and only
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touch component parts described in
the following.
& WARNING Risk of injury from using the
windscreen wipers while the engine bon‐
net is open
When the engine bonnet is open, and the
windscreen wipers are set in motion, you can
be trapped by the wiper linkage.
Always switch off the windscreen wip‐
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ers and ignition before opening the
engine bonnet.