Mercedes-Benz Actros 2017, Operating Instructions Manual

Page: 358 / 436

The release levers are under the side panelling
above the headlamps.
X
To unlock and open: press release lever
;
on the left and right, one after the other in the
direction of the arrow.
X
Swing maintenance flap
:
up.
X To close: swing maintenance flap
:
down
until it audibly engages.
Maintenance points under the main-
tenance flap
Example: maintenance points
:
Coolant expansion tank with turquoise cap
(
Y
page 356)
;
Hydraulic clutch actuation system with
green cap (
Y
page 357)
=
Engine oil filler neck with black cap
(
Y
page 360)
?
Washer fluid reservoir with black cap
(
Y
page 357)
Coolant level
G
WARNING
The cooling system is pressurised, particu-
larly 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.
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 dis-
posing off service products. Always store ser-
vice products in the sealed original container.
Always keep service products out of the reach
of children.
! Do not operate the vehicle if the coolant
level is too low. Otherwise, the engine may be
damaged.
Example: coolant expansion tank
The coolant expansion tank may be under the
maintenance flap or behind the cab.
Vehicles with retarders are equipped with a
coolant pressure regulation system. The coolant
pressure regulation system regulates and mon-
itors the pressure in the engine cooling system.
If the on-board computer shows the yellow
Coolant pressure regulation faulty
event window, check the electrical plug connec-
tors of plugs
:
and hose fitting
;
for correct
seating. Hose fitting
;
and turquoise cap
=
must be free of leaks. If you detect any leakage,
have the engine cooling system checked at a
qualified specialist workshop.
If the coolant level in the coolant expansion tank
is too low, the on-board computer displays the
356
Maintenance
Maintenance and care