Mercedes-Benz SL Operator's Manual page 266

Overview of the engine compartment
264
Park the vehicle on a level surface.
X
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
Turn the SmartKey to position 2 in the ignition
X
lock ( page 124).
Y
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
Check the coolant temperature gauge in the
X
multifunction display.
The coolant temperature must be below
158 ‡ (70 †).
Turn the SmartKey to position 0 (
X
in the ignition lock.
Slowly turn cap ; half a turn counter-clock-
X
wise to allow excess pressure to escape.
Turn cap ; further counter-clockwise and
X
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough
coolant in coolant expansion tank :.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar = in the fuel filler
neck when warm, there is enough coolant in
expansion tank :.
If necessary, add coolant that has been tested
X
and approved by Mercedes-Benz.
Replace cap ; and turn it clockwise as far as
X
it will go.
For further information on coolant, see
( page 315).
Y
Windshield washer system
G
WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G
WARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
page 124).
Y
page 124)
Y
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
Example
To open: pull cap : upwards by the tab.
X
Add the premixed washer fluid.
X
To close: press cap : onto the filler neck
X
until it engages.
If the washer fluid level drops below the recom-
mended minimum fluid level of 1 US gal (1 liter),
a message appears in the multifunction display
prompting you to add washer fluid (
Further information on windshield washer fluid/
antifreeze ( page 316).
Y
Overview of the engine compartment
Example engine
Oil dipstick
:
; Brake fluid reservoir
= Engine oil cap
Coolant expansion tank
?
Washer fluid reservoir
A
page 229).
Y