258
Operation
Engine compartment
̈ Add engine oil as required. Be careful
not to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.
̈ Screw filler cap 1 back on filler neck.
For more information on engine oil, see the
“Technical data” section (
୴ page 386) and
(
୴ page 388).
Transmission fluid level
The transmission fluid level does not need
to be checked. If you notice transmission
fluid loss or gear shifting malfunctions,
have an authorized Mercedes-Benz Center
check the automatic transmission.
Oil level in the ABC system
The oil level in the ABC system does not
need to be checked. If there is visible oil
loss or if malfunction messages appear in
the display, have an authorized
Mercedes-Benz Center check the ABC
system.
Coolant
!
Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
Warning! G
In order to avoid any possibly serious burns:
ț Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system,
or if the coolant temperature gauge indi-
cates that the coolant is overheated.
ț Do not remove pressure cap on coolant
reservoir if engine temperature is above
158°F (70°C). Allow engine to cool
down before removing cap. The coolant
reservoir contains hot fluid and is under
pressure.
ț Using a rag, slowly open the cap approx-
imately
1
/
2
turn to relieve excess pres-
sure. If opened immediately, scalding
hot fluid and steam will be blown out un-
der pressure.
ț Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene gly-
col which may burn if it comes into con-
tact with hot engine parts.
୴୴