Viscosity classes with a high viscosity grade can
increase fuel consumption.
Further information on suitable engine oil specifi‐
cations and viscosity classes can be obtained
from a Service Partner of the manufacturer or an‐
other qualified Service Partner or a specialist
workshop.
Oil change
NOTE
If the engine oil is not changed at the correct
time, engine wear may increase which could
cause engine damage. There is a risk of mate‐
rial damage. Do not exceed the service date in‐
dicated in the vehicle.
The manufacturer of the vehicle recommends
having the engine oil changed by a Service Part‐
ner of the manufacturer or another qualified
Service Partner or a specialist workshop.
Coolant
General
Coolant is a mixture of water and an additive.
Not all commercially available additives are suita‐
ble for the vehicle. Do not mix additives of differ‐
ent colours. Comply with the 50:50 mixing ratio
of water to additive. Information regarding suita‐
ble additives is available from a Service Partner of
the manufacturer or another qualified Service
Partner or a specialist workshop.
Safety notes
WARNING
If the cooling system is opened when the en‐
gine is hot, coolant can escape and cause
scalding. There is a risk of injury. Only open the
cooling system when the engine has cooled
down.
WARNING
Additives are harmful to health and using the
wrong additives can damage the engine. There
is a risk of injury and material damage. Do not
allow additives to come into contact with cloth‐
ing, skin or eyes, and do not swallow them.
Only use suitable additives.
Coolant level
General
Depending on the motorisation, there will be one
or two coolant expansion tank(s) in the engine
compartment. Check the coolant levels and top
up.
The coolant level is shown by the Max. mark in
the filler neck of the coolant tank.
For further information:
Overview, see page 393.
To check the coolant level
1.
Allow the engine to cool down.
2. Open bonnet.
Opening, see page 394.
3. Turn cap on coolant tank slightly anticlock‐
wise, then allow the pressure to escape.
4. Open cap on coolant tank.
Seite 400
MOBILITY
Operating fluids
400
Online Edition for Part no. 01405A1EA53 - X/20
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