Engine compartmentVehicle features and op‐
tions
This chapter describes all standard, country-
specific and optional features offered with the series. It also describes features that are notnecessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and sys‐
tems.
When using the features and systems described
here, adhere to local regulations.
Important features in the engine compartment
1Vehicle identification number2Battery, under the cover 2463Dip stick for engine oil 2324Engine oil filler neck 2325Coolant expansion tank 2346Engine compartment fuse box 2477Reservoir for washer fluid for the headlight
and window washer system 64Seite 230MOBILITYEngine compartment230
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CoolantVehicle features and op‐
tions
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and sys‐
tems.
When using the features and systems described
here, adhere to local regulations.
General information WARNING
With the engine hot and the cooling sys‐
tem open, coolant can escape and lead to
burns. There is risk of injuries. Only open the
cooling system with the engine cooled down. ◀
WARNING
Additives are harmful and incorrect addi‐
tives can damage the engine. There is risk of in‐
juries and risk of property damage. Avoid the
contact of articles of clothing, skin or eyes with
additives. Do not swallow any additives. Use
suitable additives only. ◀
Coolant consists of water and additives. Not all commercially available additives are
suitable for the vehicle. Information regarding
suitable additives is available from a dealer’s
service center or another qualified service cen‐
ter or repair shop.Coolant temperature
If the coolant and therefore the engine over‐
heat, a warning lamp lights up. A message ap‐
pears on the Control Display.
Coolant level Checking1.Do not open the hood until the engine has
cooled down.2.Turn the expansion tank cap counterclock‐
wise slightly to allow any accumulated
pressure to escape; then continue turning
to open.3.The coolant level is correct if it is between
the markings. The markings are located on
the side of the coolant reservoir.
Refilling
1.Do not open the hood until the engine has
cooled down.2.Turn the expansion tank cap counterclock‐
wise slightly to allow any accumulated
pressure to escape, then continue turning
to open.3.If the coolant level is low, slowly add cool‐
ant up to the specified level; do not overfill.Seite 234MOBILITYCoolant234
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