Mercedes-Benz E-class, Operator'S Manual

Page: 285 / 446

open the cap, you could be scalded by hot
coolant spraying out.
#
Let the motor cool down before opening
the cap.
#
When opening the cap, wear gloves and
protective eyewear.
#
Slowly turn the cap half a turn to allow
pressure to escape.
#
Park the vehicle on a flat surface.
#
Check the coolant temperature display in the
instrument cluster.
The coolant temperature must be below
158 °F (70 °C).
#
Slowly turn cap 1 counter-clockwise to
relieve overpressure.
#
Continue turning cap 1 counter-clockwise
and remove it.
The coolant level is correct:
R
If the engine is cold, up to marker bar 2
R
If the engine is warm, up to 0.6 in (1.5 cm)
over marker bar 2
#
If necessary, add coolant that has been tes‐
ted and approved by Mercedes-Benz.
R
Further information on coolant (
→
page 347)
Refilling the windshield washer system
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain component parts in the engine com‐
partment can be very hot, e.g. the engine,
the cooler and parts of the exhaust system.
#
Let the engine cool down and only
touch the component parts described
as follows.
&
WARNING ‑ Risk of fire and injury from
windshield washer concentrate
Windshield washer concentrate is highly
flammable. It could ignite if it comes into
contact with hot engine component parts or
the exhaust system.
#
Make sure that no windshield washer
concentrate spills out next to the filler
opening.
Maintenance and care 283