Practical tips
the particulate filter is not affected. Also
avoid making short trips all the time.
or coolant can be seen before opening the
bonnet.
securing the vehicle and there is a risk of
injury.
●
●
Keep children away from the engine com-
If any work has to be performed when the
partment.
engine is started or with the engine run-
ning, there is an additional, potentially fa-
tal, safety risk from the rotating parts, such
as the drive belts, alternator, radiator fan,
etc., and from the high-voltage ignition sys-
tem. You should also observe the following:
●
Never spill liquids used for vehicle opera-
Engine compartment
tion on the engine compartment, as these
may catch fire (e.g. the antifreeze in cool-
ant).
Working in the engine compart-
ment
●
Avoid causing short-circuits in the elec-
–
Never touch the electrical wiring of the
ignition system.
trical system, particularly at the points
where the jump leads are attached
Always be aware of the danger of injury and
scalding as well as the risk of accident or fire
when working in the engine compartment
(e.g. when checking and refilling fluids).
–
page 54. The battery could explode.
Ensure that jewellery, loose clothing
and long hair do not get trapped in ro-
tating engine parts. Danger of death.
Before starting any work remove jewel-
lery, tie back and cover hair, and wear
tight-fitting clothes.
›››
●
If working inside the engine compart-
ment, remember that, even when the igni-
tion is switched off, the radiator fan may
start up automatically, and therefore there
is a risk of injury.
Always observe the warnings listed below
and follow all general safety precautions.
The vehicle's engine compartment is a po-
–
Never accelerate with a gear engaged
without taking the necessary precau-
tions. The vehicle could move, even if
the handbrake is applied. Danger of
death.
●
Never cover the engine with additional
tentially hazardous area
.
›››
insulating materials such as a blanket. Risk
of fire!
WARNING
●
Do not unscrew the cap on the coolant
When work is done in the engine compart-
ment, injuries, burns, accidents and even
fires can occur.
expansion tank when the engine is hot. The
cooling system is under pressure.
●
Observe the following additional warn-
ings if work on the fuel system or the elec-
trical system is necessary:
●
Protect face, hands and arms by covering
●
Turn off the engine, disconnect the igni-
the cap with a large, thick rag to protect
against escaping coolant and steam.
–
Always disconnect the battery from the
on-board network.
tion e and apply the electronic parking
brake. Activate the automatic gearbox
parking lock (button P). Wait for the engine
to cool down.
●
Always make sure you have not left any
–
–
–
Do not smoke.
objects, such as cleaning cloths or tools, in
the engine compartment.
Never work near naked flames.
●
Never open the bonnet if you see steam
●
If you have to work underneath the vehi-
Always keep an approved fire extin-
guisher immediately available.
or drips of coolant being released from the
engine compartment. Wait until no steam
cle, you must use suitable stands addition-
ally to support the vehicle, there is a risk of
accident!. A hydraulic jack is insufficient for
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