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WARNING (Continued)
If coolant is swallowed, consult a doctor immediately.
■
Never spill operating fluids over the hot engine - risk of fire.
■
CAUTION
If for some reason it is not possible to top up the coolant under the current
■
circumstances,
do not continue driving! Switch off the engine and seek as-
sistance from a specialist garage.
If the expansion tank is empty, do not top up with coolant. The system could
■
aerate - risk of engine damage,
gine and seek assistance from a specialist garage.
The amount of coolant additive in the coolant must never be allowed to be
■
less than 40 %.
Over 60 % of coolant additive in the coolant reduces the antifreeze protec-
■
tion and coolant effectiveness.
A coolant additive that does not comply with the correct specification can
■
significantly reduce the corrosion protection of the cooling system.
Any faults resulting from corrosion may cause a loss of coolant and can con-
■
sequently result in major engine damage!
Do not fill the coolant above the mark
■
If an error occurs, leading to the engine overheating, the help of a professio-
■
nal garage is to be sought - there is a risk of serious engine damage occurring.
Additional headlights and other attached components in front of the air inlet
■
impair the cooling efficiency of the coolant.
Never cover the radiator - there is a risk of the engine overheating.
■
Note
On vehicles that are fitted with an auxiliary heater (auxiliary heating and venti-
lation), the coolant capacity is approx. 1 l larger.
Checking the coolant level
198
General Maintenance
do not continue driving! Switch off the en-
» Fig. 188
on page 198.
A
Fig. 188
Coolant expansion reservoir
Read and observe
and
The coolant expansion bottle is located in the engine compartment.
Coolant expansion tank
» Fig. 188
Mark for the maximum permissible coolant level
A
Mark for the lowest permissible coolant level
B
The coolant level should be kept between the marks
The coolant can be checked and topped up, if the following conditions are sat-
isfied.
The vehicle is standing on a horizontal surface.
The engine is turned off.
The engine is not heated.
The bonnet is open.
Checking the level
›
Check the coolant level in the coolant expansion tank
If the engine is warm, the test result may be inaccurate. The level can also be
above the mark
» Fig.
188.
A
In the event of an insufficient coolant level, the control symbol is displayed
in the instrument cluster as well as the relevant notification
recommend inspecting the coolant level directly at the expansion tank from
time to time.
Loss of coolant
A loss of coolant is first and foremost an indication of a leak in the cooling sys-
tem. Do not merely top up the coolant. Have the cooling system checked by a
specialist garage.
Replenishing
Read and observe
and
The coolant expansion tank must always contain a small amount of cool-
ant
» page 198,
in section Introduction.
›
Place a cloth over the cap of the coolant expansion reservoir and unscrew
the cap carefully.
›
Replenish the coolant.
›
Turn the cap until it clicks into place.
on page 197 first.
and
.
A
B
» Fig.
188.
» page
on page 197 first.
41. We still
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