● Always work with extreme care and caution and observe the general safety precautions. Never take any personal
risk.
● Never perform any work on the engine and in the engine compartment unless you know exactly how to do so. If
you are uncertain of what to do, have the work carried out by a correspondingly qualified workshop. Serious
injuries can result from work that has not been carried out properly.
● Never open or close the bonnet as long as steam or coolant is escaping. Hot steam or hot coolant can cause
serious burns. Always wait until you can no longer see or hear steam or coolant coming from the engine
compartment.
● Always allow the engine to cool down before opening the bonnet.
● Hot parts of the engine or exhaust system can burn the skin.
● Observe the following points before opening the bonnet when the engine has cooled down:
● Activate the electronic parking brake and move the selector lever to positionP or move the gear lever to the
neutral position.
● Switch off the ignition.
● Always keep children away from the engine compartment and never leave children unsupervised.
● The cooling system is under pressure when the engine is hot. Never open the cap of the coolant expansion tank
when the engine is hot. Coolant may spray out and cause serious burns and other injuries.
● Turn the cap of the coolant expansion tank slowly and very carefully anticlockwise while exerting slight
downwards pressure on the cap.
● Always protect the face, hands and arms from hot coolant or steam with a large, thick cloth.
● When refilling, do not spill any service fluids onto engine components or onto the exhaust system. The spilt
service fluids can start a fire.
WARNING
There are rotating components in the engine compartment that can cause serious injury.
● Never reach into the radiator fan or into the area of the radiator fan. Touching the rotary blades can result in
serious injuries. The fan is temperature-controlled and could start automatically - even when the ignition is
switched off.
● If any work has to be performed when the engine is started or is running, there is an additional, potentially fatal,
safety risk from the rotating parts, such as the drive belts, alternator, radiator fan, etc., and from the high-voltage
ignition system. Always take extreme care.
● Always ensure that no body parts, jewellery, ties, loose items of clothing or long hair get caught up in rotating
engine components. Always remove jewellery and ties before starting work. Tie up long hair and pull clothes in
tightly to avoid them getting caught in engine parts.
● Always take due care and attention when depressing the accelerator. The vehicle could move, even if the
electronic parking brake is applied.
● Always ensure you have not left any objects, such as cleaning cloths and tools, in the engine compartment. Any
forgotten items can cause malfunctions, engine damage and fires.
WARNING
Additional insulating materials such as blankets in the engine compartment could disrupt the operation of the
engine, start fires and lead to severe injuries.
● Never cover the engine with blankets or other insulating materials.
WARNING
Service fluids and some materials in the engine compartment are highly flammable and can cause fires and serious
injuries!
● Never smoke in the vicinity of the engine compartment.
● Never work near naked flames or sparks.
● Never spill service fluids onto the engine. They could ignite on hot engine components and hence cause injuries.
● Please note the following when carrying out any work on the fuel system or the electrical system:
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