2009 MERCEDES-BENZ SLR coolant

341 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
•
Coolant
Stop car,

switch engine off.
The coolant is too hot.
Among other possible causes,
the poly-V-belt could be
broken.

Stop the vehicle in a safe location or as soon as it is safe
to do so.

Turn off the engine.

Check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise, the engine will over-
heat due to an inoperative water pump which may result
in damage to the engine. Contact an authorized
Mercedes-Benz Center.
If it is intact:

Wait for the message to disappear before restarting the
engine.
Doing otherwise could result in serious engine damage
that is not covered by the Mercedes-Benz Limited War-
ranty.
(Continued on next page)

342 Practical hintsWhat to do if ...
During severe operating conditions and
stop-and-go city traffic, the coolant tem-
perature may rise close to 248°F (120°C).
Left display
Right display
Possible cause/
consequence
Possible solution
Observe the coolant temperature gauge in the
instrument cluster (
page 29).
If the temperature rises again:

Contact an authorized Mercedes-Benz Center
immediately.
Warning!
G
Driving when your engine is overheated can
cause some fluids which may have leaked
into the engine compartment to catch fire.
You could be seriously burned.
Steam from an overheated engine can cause
serious burns which can occur just by open-
ing the hood. Stay away from the engine if
you see or hear steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of
the vehicle and do not stand near the vehicle
until the engine has cooled down.
!
The engine should not be operated with the
coolant temperature above 248°F (120°C).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty.

344 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
±
Service
Required
Certain electronic systems are
unable to relay information to
the control system. The follow-
ing systems may have failed:

Coolant temperature gauge


Tachometer

Have the electronic systems checked by an authorized
Mercedes-Benz Center immediately.
Fuel System
Malfunction
Service
Required
The fuel cooling system is
malfunctioning.

Contact an authorized Mercedes-Benz Center
immediately.
:
Engine
Oil Pressure
Service
Required
There is no oil in the engine.
There is a danger of engine
damage.

Stop your vehicle immediately in a safe location.

Switch off the engine.

Do not drive any further.

Contact an authorized Mercedes-Benz Center
immediately.
!
The engine oil level warning should not be
ignored. Extended driving with the symbol
displayed could result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.

Technical dataParts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and tires
Electrical system
Main dimensions
Weights
Fuels, coolants, lubricants, etc.

383 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
The SLR has two poly-V-belts (belt one
shown in purple/belt two shown in black).1Idler pulley
2Automatic belt tensioner
3Power steering pump
4Air conditioning compressor
5Idler pulley
6Crankshaft
7Coolant pump
8Generator (alternator)
9Idler pulley
aAutomatic belt tensioner
bSupercharger

393 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
Capacities
Vehicle components and their respective
lubricants must match. Therefore only use
products tested and approved by
Mercedes-Benz.
For information on tested and approved
products, contact an authorized
Mercedes-Benz Center or visit
www.mbusa.com (USA only).
Warning!
G
Comply with all valid regulations with
respect to handling, storing and disposing of
service fluids. Otherwise you could
endanger persons or the environment.
Keep service fluids out of the reach of
children.
For health reasons, you should prevent ser-
vice fluids from coming into direct contact
with your skin or clothing.
If a service fluid is swallowed, contact a
physician immediately.
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
9.0 US qt (8.5 l)
Approved engine oils
Automatic transmission
8.5 US qt (8.0 l)
MB Automatic Transmission Fluid
Rear axle
2.3 US qt (2.2 l)
Hypoid gear oil SAE 75 W 85
Power steering
approx. 1.15 US qt (1.1 l)
MB Power Steering Fluid
(Pentosin CHF 11S)
Brake system
1.6 US qt (1.5 l)
MB Brake Fluid (DOT 4+)

394 Technical dataFuels, coolants, lubricants, etc.
Capacity
Fuels, coolants, lubricants, etc.
Cooling system
approx. 10.6 US qt (10.0 l)
MB 325.0 Anticorrosion/Antifreeze
Low temperature cooling system
Mercedes-Benz SLR McLaren Roadster
Mercedes-Benz SLR McLaren Roadster 722 S
approx. 5.3 US qt (5.0 l)
approx. 6.3 US qt (6.0 l)
MB 325.0 Anticorrosion/Antifreeze
MB 325.0 Anticorrosion/Antifreeze
Fuel tank
including a reserve of
25.6 US gal (97.0 l)
3.2 US gal (12.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Air conditioning system
R134a refrigerant and special PAG lubricant
oil (never R12)
Hydraulic system for soft top
0.143 US qt (0.135 l)
ARAL Vitamol ZHM
Windshield washer and headlamp cleaning
system
7.4 US qt (7 l)
MB Windshield Washer Concentrate
1
1Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing or MB Windshield Washer Concentrate “MB SummerFit” and
commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 401).

395 Technical data
Fuels, coolants, lubricants, etc.
Approved engine oils
Engine oils are specifically tested for their
suitability in our engines and durability for
our service intervals. Therefore, only use
approved engine oils and oil filters
required for vehicles with Maintenance
System.
Conventional petroleum-based oils must
not be used for vehicles with Maintenance
System.
For a listing of approved engine oils and oil
filters, contact an authorized
Mercedes-Benz Center or visit
www.mbusa.com (USA only).
Mercedes-Benz recommends
MOBIL 1 OIL. Use the MB sheet number
229.3 and only SAE 5W-50 engine oils.
MB sheet numbers are printed on the out-
side of oil containers.
Engine oil additives
!
Using engine oils and oil filters of
specification other than those expressly re-
quired for the Maintenance System, or changing
of oil and oil filter at change intervals longer than
those called for by the Maintenance System will
result in engine or emission control system dam-
age not covered by the Mercedes-Benz Limited
Warranty.
Please follow Maintenance System recommen-
dations for scheduled oil changes. Failure to do
so will result in engine or emission control sys-
tem damage not covered by the Mercedes-Benz
Limited Warranty.
!
Do not blend oil additives with engine oil.
They may damage the engine.
Damage or malfunctions resulting from blending
oil additives are not covered by the
Mercedes-Benz Limited Warranty.