Mercedes-Benz SL-Class 2013 Owners Manual - Manual (Page 517)

Example
X Park the vehicle on a level surface.
Only check the coolant level when the
vehicle is on a level surface and the engine
has cooled down.
X Turn the SmartKey to position 2 in the
ignition lock (
Y
page 155).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
Y
page 155).
X Check the coolant temperature gauge in
the multifunction display.
The coolant temperature must be below
158 ‡ (70 †).
X Turn the SmartKey to position
0 (
Y
page 155) in the ignition lock.
X Slowly turn cap ; half a turn counter-
clockwise to allow excess pressure to
escape.
X
Turn cap ; further counter-clockwise and
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 :.
X If necessary, add coolant that has been
tested and approved by Mercedes-Benz.
X Replace cap ; and turn it clockwise as far
as it will go.
For further information on coolant, see
(
Y
page 582).
Windshield washer system and
headlamp cleaning system
G WARNING
If antifreeze comes into contact with hot
components in the engine compartment, it
may ignite. There is a risk of fire and injury.
Let the engine cool down before you add
antifreeze. Make sure that antifreeze is not
spilled next to the filler neck. Thoroughly
clean the antifreeze from components before
starting the engine.
G WARNING
Windshield washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windshield washer
concentrate is spilled next to the filler neck.
Example
X
To open: pull cap : upwards by the tab.
X
Add the premixed washer fluid.
X To close: press cap : onto the filler neck
until it engages.
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
For further information on the windshield
washer system and headlamp cleaning
system, see (
Y
page 583).
Engine compartment
515
Maintenance
and
care
Z