engine damage or catalytic converter dam-
age. Have excess oil siphoned off.
!
Do not use any additives with the engine
oil. This could damage the engine.
H
Environmental note
When topping up the oil, take care not to
spill any. If oil enters the soil or water-
ways, it is harmful to the environment.
Information on tested and approved engine
oils is
available from any smart centre. smart
recommends that you have the oil change car-
ried out at a qualified specialist workshop.
Overview of approved engine oils:
http://bevo.mercedes-benz.com, under des-
ignations, e.g. 229.5.
X
Unscrew and remove cap :.
X
Top up with no more than 1 litre of recom-
mended engine oil.
X
Replace the cap and tighten it as far as it
will go.
X
Check the engine oil level.
X
Close the engine compartment cover.
i
Regular engine oil changes using an
approved engine oil from the suitable SAE
classification are strongly recommended.
Checking the coolant and topping up
Checking the coolant level
G
WARNING
The cooling system is pressurised, partic-
ularly
when
the engine is warm. If you open
the cap, you could be scalded if hot coolant
sprays out. There is a risk of injury.
Let the engine cool down before you open
the cap. Wear gloves and eye protection.
Open the cap slowly to release the pressure.
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
!
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 Specifications
for Service Products 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
approximately 130 †.
The antifreeze/corrosion inhibitor concen-
tration in the engine cooling system should
Checking service products and topping up
129
>> Maintenance and care.
Z