Checking service products and topping
up
Please note
G
WARNING
Service product can be poisonous and haz-
ardous to health. There is a risk of injury.
Observe the instructions on the respective
original container when using, storing and
disposing off service products. Always
store service products in the sealed origi-
nal container. Always keep service prod-
ucts out of the reach of children.
H
Environmental note
Dispose of service products in an environ-
mentally-responsible manner.
Also observe the information in the "Service
products" section (Y page 202).
Service products include the following:
R
Coolant
R
Brake fluid
R
Windscreen washer fluid
R
Climate control system refrigerant
Service products approved by smart: http://
bevo.mercedes-benz.com
Checking the coolant and topping up
Checking the coolant level
X
Stop the vehicle on a level surface.
X
Let the coolant cool down for at least
30 minutes.
X
Open the service cover.
X
Check reservoir ; visually.
The fluid level must be between the MIN
mark and the MAX mark.
Topping up the coolant
G
WARNING
The cooling system is pressurised when
the drive system is at operating tempera-
ture. When you open the cap, you could be
scalded by hot coolant spraying out. There
is a risk of injury.
Let the drive system cool down before you
open the cap. Wear gloves and eye protec-
tion when opening. Open the cap slowly to
relieve pressure.
!
Only add coolant that has been premixed
with the desired antifreeze protection. You
could otherwise damage the engine.
Further information on coolants can be
found in the Mercedes-Benz Specifications
for Service Products, MB BeVo 310.1, e.g. on
the Internet at
http://bevo.mercedes-benz.com. Or con-
tact a qualified specialist workshop.
If antifreeze/corrosion inhibitor is present in
the correct concentration, the boiling point
of the coolant during operation is approx-
imately 130 †.
The antifreeze/corrosion inhibitor concen-
tration in the engine cooling system should
be 50% (antifreeze protection down to -37 †).
This will protect the engine cooling system
against freezing down to approximately
-25 †.
X
Cover cap : of coolant expansion tank ;
with a cloth.
X
Turn the cap slowly one half turn. If nec-
essary, allow excess pressure to escape.
X
Turn the cap further and remove it.
X
Top up the coolant to the MAX level.
X
Replace the cap and tighten it as far as it
will go.
X
Close the service cover.
i
See "Technical data" for information on
recommended coolants.
Checking service products and topping up
149
>> Maintenance and care.
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