2005 MERCEDES-BENZ CL600 keyless

372 Practical hintsReplacing SmartKey batteries3Battery
4Contact spring
Using a lint-free cloth, insert new
batteries3 under the contact
spring4 with the plus (+) side facing
up.

Return battery compartment2 into
housing until it locks into place.

Slide mechanical key1 back into the
SmartKey.

Check the operation of the SmartKey.
SmartKey with KEYLESS-GO*
1Battery
2Tilt battery up
3Mechanical key

Remove mechanical key out of the
SmartKey (
page 367).
Replacement battery: Lithium, type
CR 2025 or equivalent.

Insert the mechanical key3 in side
opening and push gray slide.
The battery compartment is unlatched.

Pull the battery compartment out of the
SmartKey housing.

Using mechanical key3, apply pres-
sure to position2.
Battery1 tilts up slightly.

Pull out battery1 in direction of ar-
row.

Using a lint-free cloth, insert the new
battery with the plus (+) side facing up.

Return battery compartment into hous-
ing until it locks into place.

Slide mechanical key1 back into the
SmartKey.

Check the operation of KEYLESS-GO*.
iWhen inserting the battery, make sure
they are clean and free of lint.iThe required replacement battery is
available at any authorized
Mercedes-Benz Center.

379 Practical hints
Replacing wiper blades
Replacing wiper blades
Wiper blades in vertical position
Removing wiper blades
Turn SmartKey in starter switch to
position1.

Turn combination switch to wiper
settingII (
page 54).

With wiper arm in vertical position, turn
SmartKey in starter switch to
position0.

Fold the wiper arm forward until it
snaps into place.

Turn the wiper blade at a right angle to
wiper arm (arrow 1).

Slide the wiper blade sideways out of
the retainer in the direction of
arrow2.
!To avoid damage to the hood, the wiper
arms should only be folded forward
when in the vertical position.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the
vehicle's on-board electronics have status
0) before replacing a wiper blade. Other-
wise, the wiper motor could suddenly turn
on and cause injury.

381 Practical hints
Flat tire
Flat tire
Preparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.

Turn on the hazard warning flashers.

Turn the steering wheel so that the
front wheels are in a straight ahead
position.

Set the parking brake.

Move the gear selector lever toP.
Vehicles with SmartKey:

Turn off the engine (
page 59).

Remove the SmartKey from the starter
switch.Vehicles with SmartKey with
KEYLESS-GO*:

Turn off the engine by pressing the
KEYLESS-GO* button on the gear se-
lector lever once (
page 59).

Open the driver’s door (this puts the
starter switch in position0, same as
with the SmartKey removed from the
starter switch). The driver’s door then
can be closed again.

Have any passenger exit the vehicle at
a safe distance from the roadway.
Mounting the spare wheel
iOpen door only when conditions are
safe to do so.
Warning!
G
Never operate the vehicle with more than
one spare wheel mounted.
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 acci-
dent and possible injuries.
The spare wheel should only be used tempo-
rarily and replaced with a regular road wheel
as quickly as possible.
CL 55 AMG, CL 65 AMG and Sport Pack-
age* only:
The spare wheel is for temporary use only.
When driving with spare wheel mounted, en-
sure proper tire inflation pressure and do
not exceed vehicle speed of 50 mph
(80 km/h).


386 Practical hintsBattery
The battery is located in the trunk under
the right hand wheel well cover panel.
1Battery cover
2Locking knob
Rotate and loosen locking button2
approx. one-half turn.

Remove battery cover1.
Warning!
G
Failure to follow these instructions can re-
sult in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking, etc.Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof battery only to avoid the risk
of acid burns in the event of an accident.
!Never loosen or detach battery termi-
nal clamps while the engine is running
or the SmartKey is in the starter switch.
Otherwise the alternator and other
electronic components could be se-
verely damaged.
Have the battery checked regularly by
an authorized Mercedes-Benz Center.
Refer to Maintenance Booklet for main-
tenance intervals or contact your au-
thorized Mercedes-Benz Center for
further information.Warning!
G
With a disconnected battery

you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO* start/stop
button (
page 35) on the gear selector
lever will have no effect


the gear selector lever will remain
locked in positionP

393 Practical hints
Towing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper
2Cover on right side of rear bumperRemoving cover

Press mark on cover in direction of ar-
row.

L i f t c o v e r o f f t o r e v e a l t h r e a d e d h o l e f o r
towing eye bolt.
Installing towing eye bolt

Take towing eye bolt and wheel wrench
out of trunk (
page 365).

Screw towing eye bolt clockwise into
its stop and tighten with wheel wrench.
Removing towing eye bolt

Loosen towing eye bolt counterclock-
wise with wheel wrench.

Unscrew towing eye bolt.

Store towing eye bolt and wheel
wrench in trunk.
Installing cover

Fit cover and snap into place.
!When towing the vehicle with all wheels
on the ground, please note the follow-
ing:
With the automatic central locking acti-
vated and the SmartKey in starter
switch position2, or KEYLESS-GO*
start/stop button (
page 35) in
position2, the vehicle doors lock if the
left front wheel as well as the right rear
wheel are turning at vehicle speeds of
approx. 9 mph (15 km/h) or more.
Switch off the tow-away alarm
(
page 87).
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking (
page 162).
Towing of the vehicle should only be
done using the properly installed tow-
ing eye bolt. Never attach tow cable,
tow rope or tow rod to the vehicle chas-
sis, frame or suspension parts.

421 Technical terms
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS
FSS (Canada vehicles)
(F
lexible S
ervice S
ystem)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS evaluates
engine temperature, oil level, vehicle
speed, engine speed, distance driven
and the time elapsed since your last
maintenance service, and calls for the
next maintenance service accordingly.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the selector lever.GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs DVD digital maps for
navigation.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
KEYLESS-GO*
System for entering and operating the
vehicle without the use of a SmartKey.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.

422 Technical termsLine of fall
The direct line that an object moves
downhill when influenced by the force
of gravity alone.
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.
Memory function
Used to store three individual seat,
steering wheel and exterior mirror posi-
tions for each SmartKey or SmartKey
with KEYLESS-GO*.MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Display field in the speedometer used
to present information provided by the
control system.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine sp ee d ra nge , a s i t m ay re sul t in s e-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Parktronic system (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.

425 Index
A
ABC 220, 419
Messages in display 337
Setting vehicle level 221
ABS 25, 80, 419
Malfunction indicator lamp 326
Messages in display 338
Warning lamp 326
Accelerator position, automatic
transmission 172
Accessory weight 309
Accident
In case of 56
Activating
Air conditioner (cooling) 194
Air recirculation mode 190
Anti-theft alarm system 86
Central locking (control system) 161
Charcoal filter 192
Distance warning function* 217
Distronic* 213Easy-entry/exit feature 163
ESP 84
Exterior lamps 126
Exterior rear view mirror parking
position 179
Front and rear fog lamp 126, 128
Hazard warning flasher 130
Headlamps 52
High beams 129
Ignition 34
Ignition with KEYLESS-GO* start/stop
button 36
Immobilizer 59, 85
Limiting opening height of trunk
lid 162
Manual shift program CL 55 AMG and
CL 65 AMG 175
Rear window defroster 193
Residual heat 194
Seat heater 119, 120
Seat ventilation* 121
Tow-away alarm 87
Windshield wipers 54Adding
Coolant 280
Engine oil 278
Additional turn signals 374
Adjustable air vents, rear passenger
compartment 196
Adjusting 37
Air distribution 188
Air volume 189
Backrest tilt 38
Exterior rear view mirror 43
Folding forward front seat
backrests 40
Head restraint height 39
Head restraint tilt 39
Instrument cluster illumination 133
Interior rear view mirror 43
Lumbar support 117
Mirrors 43
Multicontour backrest* 117
Seat cushion depth 38, 117
Seat cushion tilt 38
Seat fore and aft adjustment 38