service MERCEDES-BENZ CL CLASS 2010 Repair Manual
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Index Speed rating
H up to 130 mph (210 km/h)
V up to 149 mph (240 km/h)
W up to 168 mph (270 km/h)
Y up to 186 mph (300 km/h)
ZR...Y up to 186 mph (300 km/h)
ZR...(..Y) above 186 mph (300 km/h)
ZR above 149 mph (240 km/h)
R
At the tire manufacturer’s option, any tire
with a speed capability above 149 mph
(240 km/h) can include a “ZR” in the size
designation (for example: 245/40 ZR18).
To determine the maximum speed
capability of the tire, the service
description for
the tire must be referred to.
The service description is comprised of
load index A and speed symbol B.
If your tire includes “ZR” in the size
designation and no service description is
given, the tire manufacturer must be
consulted for the maximum speed
capability.
If a service description is given, the speed
capability is limited by the speed symbol in
the service description. Example:
245/40 ZR18 97Y. In this example, “97Y”
is the service description. The letter “Y”
designates the speed rating and the speed
capability of the tire is limited to 186 mph
(300 km/h).
R Any tire with a speed capability above
186 mph (300 km/h) must include a “ZR”
in the size designation AND the service
description must be placed in parenthesis.
Example: 275/40 ZR 18 (99Y). The “(Y)”
speed symbol in parenthesis designates
the maximum speed capability of the tire
as being above 186 mph (300 km/h). Consult the tire manufacturer for the actual
maximum permissible speed of the tire.
All-season and winter tires Index Speed rating
Q M+S
33 up to 100 mph (160 km/h)
T M+S
33 up to 118 mph (190 km/h)
H M+S
33 up to 130 mph (210 km/h)
V M+S
33 up to 149 mph (240 km/h)
i
Not all M+S rated tires provide special
winter performance. Make sure the tires
you use show M+S and the mountain/
snowflake
imarking on the tire
sidewall. These tires meet specific snow
traction performance requirements of the
Rubber Manufacturers Association (RMA)
and the Rubber Association of Canada
(RAC) and have been designed specifically
for use in snow conditions.
An electronic speed limiter prevents your
vehicle from exceeding a speed of:
R 130 mph (210 km/h):
-All models except AMG vehicles
R 155 mph (250 km/h):
-CL 63 AMG
R 186 mph (300 km/h):
-CL 63 AMG with increased top speed
- CL 63 AMG (Performance Package)
The factory equipped tires on your vehicle
may have a tire speed rating above the
maximum speed permitted by the electronic
speed limiter.
Make sure your tires have the required tire
speed rating as specified for your vehicle in
the “Technical data” section ( Y page 486),
for example when purchasing new tires.
If you are uncertain about the correct reading
of the information given on a tire’s sidewall,
33 or M+S ifor winter tires Tires and wheels
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removed without putting other road users
at risk
R maintain a greater distance to the vehicle
ahead and drive with particular care
R carefully apply the brakes at the end of a
trip and immediately after commencing a
new trip,
so that salt residues are removed
from the brake disc
Brake service !
The brake fluid level in the reservoir may
be too
low if the red brake warning lamp in
the instrument cluster comes on while the
engine is running and an acoustic warning
sounds. Observe additional messages in
the multifunction display that may appear.
Brake pad wear or a leak in the system may
be the reason for low brake fluid in the
reservoir.
Have the brake system inspected
immediately. Contact an authorized
Mercedes-Benz Center.
All checks and service work on the brake
system should be carried out by qualified
technicians only. Contact an authorized
Mercedes-Benz Center.
Only install brake pads and use brake fluid
recommended by Mercedes-Benz. G
Warning!
If other than recommended brake pads are
installed, or other than recommended brake
fluid is used, the braking properties of the
vehicle can
be degraded to an extent that safe
braking is substantially impaired. This could
result in an accident.
! Vehicles with 4MATIC:
Only conduct operational or performance
tests on a two-axle dynamometer. If such
tests are necessary, contact an authorized
Mercedes-Benz Center. You could
otherwise seriously damage the brake
system or the transfer case which is not covered by the Mercedes-Benz Limited
Warranty.
! Vehicles with 4MATIC:
Because the ESC operates automatically,
the engine and ignition must be shut off
(SmartKey in starter switch position 0 or
1 or KEYLESS-GO start/stop button in
position 0
or 1
) when the electronic parking
brake is being tested on a brake test
dynamometer.
Active braking action through the ESC may
otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
! Vehicles without 4MATIC:
Because the ESC operates automatically,
the engine and ignition must be shut off
(SmartKey in starter switch position 0 or
1 or KEYLESS-GO start/stop button in
position 0 or 1) when the electronic parking
brake is being tested on a brake test
dynamometer or when the vehicle is being
towed with one axle raised.
Active braking action through the ESC may
otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
If your brake system is only subjected to
moderate loads, you should occasionally test
the effectiveness of the brakes by applying
above-normal braking pressure at higher
speeds. This will also enhance the grip of the
brake pads. G
Warning!
Make sure not to endanger any other road
users when carrying out these braking
maneuvers.
Refer to the description of the Brake Assist
System (BAS) ( Y page 57) or BAS PLUS
(Y page 57). Driving instructions
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Driving abroad
If you
plan to drive the vehicle outside the U.S.
or Canada, you should request dealer
network information for your destination from
any authorized Mercedes-Benz Center. Control and operation of radio
transmitter
Safety notes G
Warning!
Please do not forget that your primary
responsibility is
to drive the vehicle. A driver’s
attention to the road must always be his/her
primary focus when driving. For your safety
and the safety of others, we recommend that
you pull over to a safe location and stop
before placing or taking a telephone call.
If you choose to use the telephone 34
while
driving, please use the hands-free device and
only use the telephone when road, weather
and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
mobile telephone while driving a vehicle.
Only operate the COMAND 34
(Cockpit
Management and Data System) if road,
weather and traffic conditions permit.
Otherwise, you may not be able to observe
traffic conditions and could endanger yourself
and others.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximately
14 m) every second. Emission control
Certain systems of the engine serve to keep
the toxic components of the exhaust gases
within permissible limits required by law.
These systems will function properly only
when maintained
strictly according to factory specifications. Any adjustments on the
engine should, therefore, be carried out only
by qualified Mercedes-Benz Center
authorized technicians.
Engine adjustments should not be altered in
any way. Moreover, the specified service
procedures must be carried out regularly
according to Mercedes-Benz servicing
requirements. For details refer to the
Maintenance Booklet.
G
Warning!
Inhalation of exhaust gas is hazardous to your
health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause
unconsciousness and possible death.
Do not
run the engine in confined areas (such
as a garage) which are not properly ventilated.
If you think that exhaust gas fumes are
entering the vehicle while driving, have the
cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one
window fully open at all times. Maintenance
Notes
The Maintenance System in your vehicle
tracks the distance driven and the time
elapsed since the last maintenance service.
It calculates
other maintenance service work
required, and calls for the next maintenance
service accordingly.
We strongly recommend that you have your
vehicle serviced at an authorized Mercedes-
Benz Center. Have it serviced in accordance
with the Maintenance Booklet at the times
called for by the maintenance service
indicator.
i Failure to have the vehicle maintained in
accordance with the Maintenance Booklet
and maintenance service indicator at the
designated times/mileage will result in
34 Observe all legal requirements. Maintenance
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vehicle damage not covered by the
Mercedes-Benz Limited Warranty.
Maintenance service indicator
message
Information on maintenance work and
maintenance intervals are specified in the
Maintenance Booklet. Contact an authorized
Mercedes-Benz Center, or visit
www.mbusa.com (USA only) for additional
information.
The maintenance service indicator message
will notify you when the next maintenance
service is required.
Starting approximately 1 month before the
next maintenance service is required, one of
the following messages will appear in the
multifunction display. The messages will
appear while you are driving or when you
switch on the ignition (example service A):
Next Service A in XXXX miles (km)
Next Service A in XX days
Service A Due Refer to Maintenance Booklet for a listing of
maintenance services and intervals they need
to be performed at. Clearing the maintenance service
indicator message The maintenance service indicator message
is cleared automatically
R
after approximately 10 seconds when you
switch on the ignition
R after approximately 10 seconds when
reaching the service threshold while driving
R after approximately 30 seconds, once the
suggested maintenance service term has
passed
X Clearing the maintenance service
indicator message manually: Press
button % on the multifunction steering
wheel.
The standard display appears in the
multifunction display.
Maintenance service term exceeded If you have exceeded the suggested
maintenance service term, you will see the
following message in the multifunction
display:
Service A Exceeded By XXXXX miles
(km)
Service A Exceeded by XXX days
Service A Exceeded By XXX days
In addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance service.
Calling up the maintenance service
indicator display
i The menu overview can be found on
(Y page 203).
You can call up the maintenance service
indicator display at any time to check when
the next maintenance service is required. 402
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X
Switch on the ignition.
The standard
display of the control system
appears ( Y page 204).
X Press button = or ; on the
multifunction steering wheel to select the
Service menu.
X Press button : or 9 to select
ASSYST PLUS.
X Press button a on the multifunction
steering wheel to confirm.
The maintenance service indicator display
with the maintenance service deadline
appears in the multifunction display.
i If the
battery was disconnected, the days
of disconnection will not be included in the
count shown by the maintenance service
indicator. To arrive at the true maintenance
service deadline, you will need to subtract
these days from the days shown in the
maintenance service indicator message or
maintenance service indicator display. Resetting the maintenance service
indicator
In the
event that the maintenance service on
your vehicle is not carried out at an authorized
Mercedes-Benz Center, you can have the
maintenance service indicator reset.
The automotive maintenance facility carrying
out the maintenance service will find the
information for resetting the maintenance
service indicator in the maintenance-relevant
literature for your vehicle.
Such literature is available at any authorized
Mercedes-Benz Center or directly from
Mercedes-Benz.
! If the maintenance service indicator was
reset inadvertently, have an authorized
Mercedes-Benz Center correct it.
Only reset the maintenance service
indicator if the proper maintenance service
has been performed. Not following the
proper maintenance service as described
in the Maintenance Booklet will result in engine damage and/or other vehicle
damage
not
covered by the Mercedes-Benz
Limited Warranty. Vehicle care
Cleaning and care of the vehicle
Notes Regular and proper care will help to maintain
the value of your vehicle.
G
Warning!
Many cleaning products can be hazardous.
Some are poisonous, others are flammable.
Always follow the instructions on the
particular container. Always open your
vehicle’s doors
or windows when cleaning the
inside.
Never use fluids or solvents that are not
designed for cleaning your vehicle.
Always lock away cleaning products and keep
them out of reach of children.
! When cleaning the vehicle, do not use
scouring agents. Never apply strong force
and only use a soft, wet cloth or sponge.
Otherwise you may scratch or damage the
surface to be cleaned.
While in operation, even while parked, your
vehicle is subjected to varying external
influences which, if gone unchecked, can
attack the paintwork as well as the vehicle
underbody and cause lasting damage.
Such damage is caused not only by extreme
and varying climatic conditions, but also by:
R Air pollution
R Road salt
R Tar
R Gravel and stone chipping Vehicle care
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Display messages
Possible causes/consequences and
X SolutionsService
Required Do Not
Shift
Gears The automatic transmission cannot be shifted out of the
current transmission position because of a malfunction.
If the automatic transmission is in drive position D:
X
Without shifting the automatic transmission out of drive
position D, drive to an authorized Mercedes-Benz Center.
If the automatic transmission is set to position neutral
position N, reverse gear R or park position P:
X Do not drive.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance. Only
Shift to
Position
'P' When
Vehicle
Is
Stationary You have attempted to shift the automatic transmission into
park position P although the vehicle was still in motion.
X
Stop your vehicle as soon as it is safe to do so.
X Shift the automatic transmission to park position P.
X Engage the electronic parking brake. Shift to
P or N to Start
Engine You have attempted to start the engine while the automatic
transmission was in reverse gear
R or drive position D.
X Shift the automatic transmission into park position P or
neutral position N
. Make sure the brake pedal is depressed. Auxiliary
Battery
(message
appears in
white) Malfunctio
n The backup battery for the automatic transmission is no
longer charging.
X
Contact an authorized Mercedes-Benz Center. Auxiliary
Battery
(message
appears in
red) Malfunctio
n The backup battery for the automatic transmission is
discharged. In case of failure of the on-board electrical
system, you may not be able change transmission positions.
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the electronic parking brake.
X Do not drive any further.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance. Vehicle status messages in the multifunction display
425
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Display messages
Possible causes/consequences and
X SolutionsNext
Service X in ...
days
in ...
mls (km) The specified maintenance service must be carried out within
the remaining time range or driving distance (Y page 402).
X
Have the maintenance service carried out at an authorized
Mercedes-Benz Center. Service X Due The specified maintenance service must be carried out
(Y page 402).
X
Have the maintenance service carried out at an authorized
Mercedes-Benz Center as soon as possible. Service X
Exceeded by X days
by XXX
mls (km) The specified maintenance service term has been exceeded
(Y page 402).
X
Have the maintenance service carried out at an authorized
Mercedes-Benz Center as soon as possible. !
Failure to have the vehicle maintained in
accordance with the Maintenance Booklet
and maintenance service indicator at the designated times/mileage will result in
vehicle damage not covered by the
Mercedes-Benz Limited Warranty.
Tires Display messages
Possible causes/consequences and
X SolutionsTire
Pressures Displayed
After
Driving A
Few
Minutes The tire inflation pressure is being checked by the Advanced
TPMS.
X
Drive the vehicle for a few minutes. Tire
Pressure
Monitor Inoperativ
e The Advanced TPMS is malfunctioning.
X
Have the Advanced TPMS checked at an authorized
Mercedes-Benz Center. Tire
Pressure
Monitor Inoperativ
e No
Wheel
Sensors There are wheels without appropriate wheel sensors mounted
(e.g. winter tires).
X
Have the appropriate wheel sensors installed at an
authorized Mercedes-Benz Center. 426
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Display messages
Possible causes/consequences and
X SolutionsF
(USA only)
!
(Canada
only) Parking
Brake
Inoperativ
e When you engage or release the electronic parking brake, the
red indicator lamp for the electronic parking brake flashes
and goes out after approx. 10 seconds. The yellow warning
lamp for the electronic parking brake comes on.
The electronic parking brake is malfunctioning.
X
Switch ignition off and back on again, and engage or release
electronic parking brake.
If the electronic parking brake cannot be engaged:
X Shift the automatic transmission to park position P
(Y page 291).
X Protect vehicle from rolling away while parked by using a
chock from the vehicle tool kit (Y
page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible. $
(USA only)
J
(Canada
only) Service
See Oper.
Manual CL 600 and CL 65 AMG only:
The brake system sensors are malfunctioning. The brake
system continues to function normally with full brake force
boost.
X
Continue driving with added caution.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible. $
(USA only)
J
(Canada
only) Check
Brake
Fluid
Level There is insufficient brake fluid in the reservoir.
Risk of accident!
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the parking brake.
X Do not drive any further.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance.
Do not add brake fluid! This will not solve the problem. G
Warning!
Driving with the message Check
Brake
Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark
or below, have the brake system checked for brake pad thickness and leaks. 434
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X Solutions÷ Currently
Unavailabl
e See
Oper.
Manual If the yellow ESC warning lamp
÷ flashes while driving and
this message appears, the Electronic Traction System (ETS/
4-ETS) has switched off to prevent overheating of the drive
wheel brakes.
The BAS PLUS and the PRE-SAFE ®
Brake are also not
available.
As soon as the brakes have cooled off, the Electronic Traction
System (ETS/4-ETS) switches on again.
The message in the multifunction display disappears and the
ESC warning lamp ÷ goes out.G Tele Aid
Inoperativ
e One or more main functions of the Tele Aid system are
malfunctioning.
X
Have the Tele Aid system checked at an authorized
Mercedes-Benz Center. 6 SRS
Malfunctio
n Service
Required There is a malfunction in the Supplemental Restraint System
(SRS). The air bags or Emergency Tensioning Devices (ETDs)
could deploy unexpectedly or fail to activate in an accident.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 6 Front
Left SRS
Malfunctio
n Service
Required Components of the driver’s supplemental restraint system
may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 6 Front
Right SRS
Malfunctio
n Service
Required Components of the front passenger’s supplemental restraint
system may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 6 Rear Left
SRS
Malfunctio
n Service
Required Components of the left rear passenger’s supplemental
restraint system may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 6 Rear
Right SRS
Malfunctio
n Service
Required Components of the right rear passenger’s supplemental
restraint system may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 436
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Display messages
Possible causes/consequences and
X Solutions6 Left Side
Curtain
Airbag
Malfunctio
n Service
Required The left window curtain air bag may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. 6 Right
Side
Curtain
Airbag
Malfunctio
n Service
Required The right window curtain air bag may not work properly.
X
Drive with added caution to the nearest authorized
Mercedes-Benz Center. G
Warning!
In the event a malfunction of the SRS is
indicated as
outlined above, the SRS may not
be operational.
For your safety, we strongly recommend that
you contact an authorized Mercedes-Benz Center immediately to have the system
checked. Otherwise the SRS may not be
activated
when
needed in an accident, which
could result in serious or fatal injury, or it
might deploy unexpectedly and unnecessarily
which could also result in injury.
Driving systems Display messages
Possible causes/consequences and
X Solutions¨ Vehicle
Rising
Please
Wait
Briefly Vehicles with AIRMATIC:
The vehicle level is too low.
X
Wait until the message disappears from the multifunction
display. ¨ STOP Car
Too Low You have started driving although the vehicle level was too
low.
The vehicle will be raised.
X
Stop the vehicle as soon as it is safe to do so.
X Engage the electronic parking brake.
X Wait until the message disappears from the multifunction
display.
You may then drive off. Vehicle status messages in the multifunction display
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