Mercedes-Benz S 4300 Operator's Manual page 280

Mercedes-benz automobile operator's manual
Table of Contents

Advertisement

Warning!
In order to avoid any possibly serious burns:
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.
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.
Using a rag, slowly open the cap approx-
1
imately
/
turn to relieve excess pres-
2
sure. If opened immediately, scalding
hot fluid and steam will be blown out un-
der pressure.
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.
The coolant expansion tank is located on
G
the passenger side of the engine compart-
ment.
1 Coolant expansion tank
Using a rag, turn the cap slowly approx-
imately one half turn to the left to re-
lease any excess pressure.
Continue turning the cap to the left and
remove it.
Operation
Engine compartment
!
S 600:
Only open the cap on coolant expan-
sion tank 1. Never open the cap be-
tween the charge-air coolers.
Otherwise, the engine could be dam-
aged.
The coolant level is correct if the level
for cold coolant: reaches the black top
part of the reservoir
for warm coolant: is approximately
0.6 in (1.5 cm) higher
Add coolant as required.
Replace and tighten cap.
For more information on coolant, see
"Coolants" ( page 395).
279

Advertisement

Table of Contents
loading

Table of Contents