Mercedes-Benz S 450 4MATIC, Operator'S Manual

Page: 581 / 801

580
Operation
Engine compartment
왘
Using a rag, turn cap
1
slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
왘
Continue turning the cap counterclock-
wise and remove it.
The coolant level is correct if the level
앫
for cold coolant: reaches the white
marking (plastic bridge) inside the cool-
ant expansion tank
앫
for warm coolant: is approximately
0.6 in (1.5 cm) higher
왘
Add coolant as required.
왘
Replace and tighten cap
1
.
For more information on coolant, see the
“Technical data” section (
컄
page 771).
Windshield washer system and
headlamp cleaning system
The washer fluid reservoir is located on the
left-hand side of the engine compartment
when looking in the direction of travel. It
supplies the windshield washer system
and headlamp cleaning system with wash-
er fluid.
Example illustration S 550 with Airmatic
1 Cap
Vehicles with ABC*
1
Cap
Fluid for the windshield washer system and
the headlamp cleaning system is supplied
from the windshield washer reservoir. It
has a capacity of approximately 6.87 US qt
(6.5 l).
During all seasons, add MB Windshield
Washer Concentrate “MB SummerFit” to
water. Premix the windshield washer fluid
in a suitable container.