Mercedes-Benz SL 55, Operator'S Manual

Page: 260 / 434

259
Operation
Engine compartment
The engine coolant is a mixture of water
and anticorrosion/antifreeze. To check
the coolant level, the vehicle must be
parked on level ground and the engine
must be cool.
The coolant expansion tank is located on
the passenger side of the engine compart-
ment.
1 Coolant expansion tank
왘
Using a rag, turn the cap slowly approx-
imately one half turn to the left to re-
lease any excess pressure.
왘
Continue turning the cap to the left and
remove it.
The coolant level is correct if the level
앫
for cold coolant: is up to the upper
mark on the bracing rib of the coolant
expansion tank (translucent)
앫
for warm coolant: is approx. 0.6 in
(1.5 cm) higher
왘
Add coolant as required.
왘
Replace and tighten cap.
For more information, see “Coolants”
(
컄
page 391).
!
SL 600: Only open the cap on coolant
expansion tank
1 . Never open the cap
between the two charge-air coolers.
Otherwise, the engine could be dam-
aged.