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332 Engine compartment
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
The engine oil level can be checked by either the oil
dipstick or via the multifunction display in the
instrument cluster, see page 154.
Wipe the oil dipstick clean prior to checking the engine
oil level. Fully insert dipstick in tube, and remove after
three seconds to obtain accurate reading.
The oil level must be between the lower
mark (min) and the upper mark (max)
on the oil dipstick.
Unscrew the oil filler cap and add oil carefully if you
need to top up the oil.
CL 500 and CL 55 AMG:
Fill quantity between upper and lower dipstick marking
level is approximately 2.1 US qt (2.0 l).
CL 600:
Follow the message appearing on the engine oil level
indicator display (page 154) as to quantity to be added.
Re-install oil filler cap.
Do not overfill the engine.
Excessive oil must be drained
or siphoned. It could cause damage to engine and
catalytic converter not covered by the Mercedes-Benz
Limited Warranty.See malfunction and warning messages on page 297 if
an engine oil level display appears on the multifunction
display when the engine is running.
Note:
See page 154 for engine oil level indicator.
Automatic transmission fluid level
The transmission has a permanent fill of automatic
transmission fluid.
Regular automatic transmission fluid level checks and
changes are not required. For this reason the dipstick is
omitted.
If you notice fluid leaks or gear shifting malfunctions,
have your authorized Mercedes-Benz Center check the
transmission fluid level.
Active body control (ABC) fluid level
Regular fluid level check is not required.
If you notice fluid leaks or malfunctions, have your
authorized Mercedes-Benz Center check the
ABC-system.
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333 Engine compartment
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Coolant level
1Coolant expansion tank
To check the coolant level, the vehicle must be parked
on level ground and the engine stopped.
Check coolant level only when coolant is cold.
The coolant level should reach the black top part of the
reservoir.
See page 397 for antifreeze/anticorrosion mixture.Adding coolant
If coolant has to be added, a 50/50 mixture of water and
MB anticorrosion/antifreeze should be added.
1
Wa r n i n g !
• In order to avoid 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 indicates that the coolant is
overheated.• Do not remove pressure cap on coolant
reservoir if engine temperature is above 194°F
(90°C). Allow engine to cool down before
removing cap. The coolant reservoir contains
hot fluid and is under pressure.• Using a rag, slowly open cap approximately 1/2
turn to relieve excess pressure. If opened
immediately, scalding hot fluid and steam will
be blown out under pressure.• Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which may
burn if it comes into contact with hot engine
parts.
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334 Engine compartment
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Windshield and headlamp washer system
1Windshield and headlamp washer fluid reservoir
The reservoir should be refilled with MB Windshield
Washer Concentrate and water (or concentrate
commercially available premixed windshield washer
solvent / antifreeze, depending on ambient
temperatures).
Capacity approx. 7.1 US qt (6.7 l).Windshield and headlamp washer fluid mixing ratio
For temperatures above freezing:
MB Windshield Washer Concentrate “S” and water.
1 part “S” to 100 parts water
(40 ml “S” to 1 gallon water).
For temperatures below freezing:
MB Windshield Washer Concentrate “S” and
commercially available premixed windshield washer
solvent/antifreeze.
1 part “S” to 100 parts solvent
(40 ml “S” to 1 gallon solvent).
1
Wa r n i n g !
Washer solvent/antifreeze is highly flammable. Do
not spill washer solvent/antifreeze on hot engine
parts, because it may burn. You can be seriously
burned.
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335 Spare wheel
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Spare wheel, vehicle tools, storage compartment
1Jack
2Luggage bowl with vehicle tool kit, towing eye bolt,
fuses, fuse extractor and fuse chart
3Storage tray
4Spare wheel Lift trunk floor and engage handle in upper edge of
trunk.
Always lower trunk f loor before closing trunk lid.
To remove the spare wheel:
Take out the vehicle tool kit tray.
Turn the luggage bowl counterclockwise and remove the
spare wheel.
To store spare wheel:
Place spare wheel in wheel well and secure it with
luggage bowl. Turn luggage bowl clockwise to its stop.
Place vehicle tool kit tray in luggage bowl.
P40.10-0523-26
1
4
3
2
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336 Jack
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Jack
To prepare the jack for use:
Remove the jack from the spare wheel well under the
trunk floor, push the crank handle up and turn
clockwise until it engages (operational position).Storing the jack in the trunk:
Retract the jack arm to the base of the jack, push the
crank handle up and turn counterclockwise to the end
of the stop (storage position).
P58.10-2001-26
Wa r n i n g !
The jack is designed exclusively for jacking up the
vehicle at the jack tubes built into either side of the
vehicle. To help avoid personal injury, use the jack
only to lift the vehicle during a wheel change.
Never get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from the area
under the lifted vehicle. Always firmly set parking
brake and block wheels before raising vehicle with
jack.Do not disengage parking brake while the vehicle is
raised. Be certain that the jack is always vertical
when in use, especially on hills. Always try to use
the jack on level surface. Be sure that the jack arm
is fully inserted in the jack tube. Always lower the
vehicle onto sufficient capacity jackstands before
working under the vehicle.
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337 Tires, Wheels
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Wheels
Replace rims or tires with the same designation,
manufacturer and type as shown on the original part.
See your authorized Mercedes-Benz Center for further
information.
See your authorized Mercedes-Benz Center for
information on tested and recommended rims and tires
for summer and winter operation. They can also offer
advice concerning tire service and purchase.
Tire replacement
Front and rear tires should be replaced in sets. Rims
and tires must be of the correct size and type. For
dimensions, see “Technical Data”.
We recommend that you break in new tires for approx.
60 miles (100 km) at moderate speed.It is imperative that the wheel mounting bolts be
fastened to a tightening torq ue of 110 ft.lb. (150 Nm)
whenever wheels are mounted.
For rim and tire specifications, refer to “Technical Data”.
Wa r n i n g !
Worn, old tires can cause accidents. If the tire tread
is badly worn, or if the tires have sustained
damage, replace them.When replacing rims, use only genuine
Mercedes-Benz wheel bolts specified for the
particular rim type. Failure to do so can result in
the bolts loosening and possibly an accident.
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338 Tires, Wheels
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Rotating wheels
The wheels can be rotated according to the degree of
tire wear while retaining the same direction of travel.
Rotating, however, should be carried out as
recommended by the tire manufacturer, before the
characteristic tire wear pattern (shoulder wear on front
wheels and tread center wear on rear wheels) becomes
visible, as otherwise the driving properties deteriorate.
Notes:
Thoroughly clean the inner side of the wheels any time
you rotate the wheels or wash the vehicle underside.
The use of retread tires is not recommended. Retread
tires may adversely affect the handling characteristics
and safety of the vehicle.
Dented or bent rims can cause tire pressure loss and
damage to the tire beads. For this reason, check rims for
damage at regular intervals. The rim f langes must be
checked for wear before a tire is mounted. Remove
burrs, if any.
Check and ensure proper tire inflation pressure after
rotating the wheels. For tire inflation pressure see
inside of fuel filler flap and also page 345.Spare wheel
Spare wheel CL 500 and CL 600
(except Sport Package)
Important!
The spare wheel rim is mounted with a full size tire of
the same type as on the vehicle, and is fully functional.
However, that spare wheel rim is weight optimized and
has a limited service life of 12 000 miles (20 000 km)
use before a standard wheel rim must replace it.
In the case of a flat tire, you may temporarily use the
spare wheel.
Do not operate vehicle with more than one spare wheel
mounted.
Wa r n i n g !
The spare wheel rim is for temporary use only. Use
for over a total of 12 000 miles (20 000 km)
(aggregate of all uses) may cause wheel rim failure
leading to an accident and possible injuries.
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339 Tires, Wheels
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Spare wheel CL 55 AMG and Sport Package
Important!
The spare wheel rim size is 7
1/2J x 17 H 2 with tire size
225/55 R17 97H.
The spare wheel rim is weight optimized and has a
limited service life of 12 000 miles (20 000 km) use
before a standard wheel rim must replace it.
In the case of a f lat tire, you may temporarily use the
spare wheel, when observing the following restrictions:
•Do not exceed vehicle speed of 50 mph (80 km/h)
•Drive to the nearest tire repair facility to have the
flat tire repaired or replaced as appropriate.
•Do not operate vehicle with more than one spare
wheel mounted.
If the arrow on tire side wall does not point in direction
of vehicle forward movement when using the spare
wheel, observe the following restriction:
Unidirectional tires must always be mounted with arrow
on tire sidewall pointing in direction of vehicle forward
movement.For rim and tire specifications, refer to “Technical Data”.
Wa r n i n g !
The spare wheel rim is for temporary use only. Use
for over a total of 12 000 miles (20 000 km)
(aggregate of all uses) may cause wheel rim failure
leading to an accident and possible injuries.The dimensions of the spare wheel are different
from those of the road wheels. As a result, the
vehicle handling characteristics change when
driving with a mounted spare wheel.The spare wheel should only be used temporarily,
and replaced with a regular road wheel as quick as
possible.
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