Checking and refilling levels177
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l  D a t a
•
Avoid causing short-circuits in the electrical system, particularly at the 
points where the jump leads are attached  ⇒page 226. The battery could 
explode.
•
Never touch the radiator fan. It is temperature controlled and could 
start automatically, even when the engine has been switched off and the 
key removed from the ignition!
•
Do not unscrew the cap on the expansion tank when the engine is hot. 
If the coolant is hot, the cooling system will be pressurised!
•
Protect face, hands and arms by covering the cap with a large, thick 
cloth to protect against escaping coolant and steam.
•
Always make sure you have not left any objects, such as cleaning cloths 
and tools, in the engine compartment.
•
If you have to work underneath the vehicle, you must use suitable 
stands additionally to support the vehicle, there is a risk of accident! A 
hydraulic jack is insufficient for securing the vehicle and there is a risk of 
injury.
•
If any work has to be performed when  the engine is started or with the 
engine running, there is an additional, pote ntially fatal, safety risk from the 
rotating parts, such as the drive belts, alternator, radiator fan, etc., and 
from the high-voltage ignition syst em. You should also observe the 
following points:
−Never touch the electrical wiring of the ignition system.
− Ensure that jewellery, loose clothing and long hair do not get 
trapped in rotating engine parts. Danger of death. Before starting any 
work remove jewellery, tie back and cover hair, and wear tight-fitting 
clothes.
− Always think carefully about pressing the accelerator if a gear is 
engaged in either an automatic or manual gearbox. The vehicle could 
move, even if the handbrake is applied. Danger of death.
•
If work has to be carried out on the fuel system or on electrical compo-
nents, you must observe the following sa fety notes in addition to the above 
warnings:
−Always disconnect the battery. The vehicle must be unlocked when 
this is done, otherwise the alarm will be triggered.
− Do not smoke.
− Never work near naked flames.
− Always have a fire extinguisher on hand.Caution
When changing or topping up service fluids, make absolutely certain that you 
fill the fluids into the correct reservoirs.  Failure to observe this point will result 
in serious malfunctions and engine damage!
For the sake of the environment
Service fluids leaks are harmful to the environment. For this reason you 
should make regular checks on the ground underneath your vehicle. If you 
find spots of oil or other fluids, have  your vehicle inspected in a qualified 
workshop.
WARNING (continued)
WARNING (continued)
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Technical Data
238Te c h n i c a l  D a t aChecking fluid levelsFrom time to time, the levels of the different fluids in the 
vehicle must be checked. Never fi ll with incorrect fluids, to do 
so may cause serious damage to the engine.
Radiator expansion tank
Engine oil dipstick.
Engine oil filler cap
Brake fluid reservoir
Battery
Windscreen washer fluid container
The checking and replenishment of the service fluids are carried out on the 
components mentioned above. These operations are described in the 
⇒ page 176. Overview
Further explanations, instructions and restrictions on the technical data are 
contained as of 
⇒page 233.
Note
The layout of parts may vary according to engine.
Fig. 177  Diagram for the 
location of the various 
elements
A1A2A3A4A5A6
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