warning MERCEDES-BENZ CL-CLASS 2007 Owners Manual

644 Practical hints
Replacing bulbs
Replacing bulbs for front lamps
You can only change the halogen bulbs for,
high-beam flasher lamp, corner-illuminat-
ing lamp, and IR emitter* lamp.
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to M
(
page 363).
Open the hood (page 512) (except
for side marker lamps).
Headlamp, left
1Cover
2Tab
Removing cover: Pull cover1 on
tab2 in direction of arrow and re-
move cover1.
Bi-Xenon headlampsHigh beam flasher lamp
Headlamp, left
1Installation device
Pull installation device1 up (left
headlamp) or down (right headlamp)
and remove the bulb together with
installation device1 from the head-
lamp.
Warning!G
Do not remove the cover for the Bi-Xenon
headlamp. Because of high voltage in Xenon
lamps, it is dangerous to replace the bulb or
repair the lamp and its components. We rec-
o mme nd th at y ou ha ve s uc h w o rk do n e b y a
qualified technician.
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646 Practical hints
Replacing bulbs
IR emitter*
1Bulb holder
2Wire position
Turn bulb holder1 counterclockwise
until it disengages.
Take out bulb holder1.
Press both catches on left and right
sides of bulb holder1 and take bulb
out of holder.
Insert new bulb into holder until it en-
gages.
Insert bulb holder1 into guide in
headlamp. Wire2 must point down-
ward and to the right.
Turn bulb holder1 clockwise until it
engages and wire2 points downward
and to the left.
Additional turn signal lamp bulbs
The additional turn signal lamps in the ex-
terior rear view mirrors have LEDs.
If a malfunction occurs or LEDs fail to func-
tion, the entire turn signal unit must be re-
placed. Have the turn signal unit replaced
by an authorized Mercedes-Benz Center.
Front side marker lamp bulbs
Since replacing the side marker lamp bulbs
is a technically highly demanding process,
we recommend you have the side marker
lamp bulbs replaced by an authorized
Mercedes-Benz Center.Replacing bulbs for the rear lamps
Tail lamp unit
The tail lamp unit is equipped with HiP
bulbs and LED’s.
Warning!G
The bulbs in the tail lamp unit cannot be re-
placed individually. The tail lamp bulbs are
under pressure and could explode during an
attempt to replace them.
If the tail lamps (HiP bulbs and/or LED’S)
are malfunctioning, have them replaced at
an authorized Mercedes-Benz Center.
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647 Practical hints
Replacing wiper blades
Replacing wiper blades
Placing wiper arms in vertical position
Wiper blades in vertical position
Make sure the hood is fully closed.
Vehicles with SmartKey
Turn SmartKey in starter switch
position1.
Turn combination switch to wiper
settingu (
page 372).
With wiper arm in vertical position, turn
the SmartKey in starter switch to
position0.
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
status0) before replacing a wiper blade.
Otherwise, the wiper motor could suddenly
turn on and cause injury.
Warning!G
Wiper blades are components that are sub-
ject to wear and tear. Replace the wiper
blades twice a year, preferably in the spring
and fall. Otherwise the windows will not be
properly wiped. As a result, you may not be
able to observe surrounding traffic condi-
tions and could cause an accident.
!To avoid damage to the hood:

The wiper arms should only be folded for-
ward when in the vertical position.

Never open the hood when the wiper arm is
folded forward.
!Hold on to the wiper when folding the wiper
arm back. If released, the force of the impact
from the tensioning spring could crack the wind-
shield.
Do not allow the wiper arms to contact the wind-
shield glass without a wiper blade inserted.
For your convenience, we recommend that you
have this work carried out by an authorized
Mercedes-Benz Center.
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649 Practical hints
Flat tire
Flat tire
Preparing the vehicle
Park the vehicle in a safe distance from
moving traffic on a hard, flat surface
when possible.
Turn on the hazard warning flashers.
Turn the steering wheel so that the
front wheels are in a straight ahead
position.
Shift the automatic transmission toP
(
page 389).
Turn off the engine (page 387).
Remove the SmartKey from the starter
switch.
Vehicles with SmartKey with
KEYLESS-GO*:
Turn off the engine by pressing the
KEYLESS-GO* button once
(
page 388).
Open the driver’s door (this puts
the starter switch in position0,
same as with the SmartKey re-
moved 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 Minispare wheel
iOpen the door only when conditions are safe
to do so.
Warning!G
The dimensions of the Minispare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a Minispare wheel
mounted. Adapt your driving style accord-
ingly.
The Minispare wheel is for temporary use
only. When driving with Minispare wheel
mounted, ensure proper tire inflation
pressure and do not exceed a vehicle speed
of 50 mph (80 km/h).
Contact the nearest Mercedes-Benz Center
as soon as possible to have the Minispare
wheel replaced with a regular road wheel.
Never operate the vehicle with more than
one Minispare wheel mounted.
Do not switch off the ESP
® when a Minis-
pare wheel is mounted.
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650 Practical hints
Flat tire
Preparing the vehicle
Prepare the vehicle as described
(
page 649).
Take vehicle tool kit and vehicle jack
out of trunk (
page 632).
Take the Minispare wheel and wheel
bolts out of the trunk (
page 634).Lifting the vehicle
Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
or other sizeable objects.
One wheel chock is included with the
vehicle tool kit (
page 634).
When changing wheel on a level surface:
Place the wheel chock in front of and
another sizeable suitable object behind
the wheel that is diagonally opposite to
the wheel being changed.
Always try lifting the vehicle using the jack
on a level surface. However, should cir-
cumstances require you to do so on a hill,
place the wheel chock and another size-
able suitable object as follows:
Place the wheel chock and another
sizeable suitable object on the downhill
side blocking both wheels of the axle
not being worked on.
Warning!G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides 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 en-
gage the electronic parking brake and block
wheels before raising vehicle with jack.
Do not disengage electronic parking brake
while the vehicle is raised. Be certain that
the jack is always vertical (plumb line) when
in use, especially on hills. Always try to use
the jack on level surface. Make sure the jack
arm is fully seated in the jack take-up brack-
et. Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
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651 Practical hints
Flat tire
1Wheel wrench
Take wheel wrench 1 out of the vehi-
cle tool kit tray.
On wheel to be changed, lossen but do
not yet remove the wheel bolts (ap-
proximately one full turn with wheel
wrench1).
The jack take-up brackets are located di-
rectly behind the front wheel housings and
in front of the rear wheel housings.2Jack take-up bracket
3Jack
4CrankPlace jack3 on firm ground.
Position jack3 under take-up
bracket2 so that it is always vertical
(plumb-line) as seen from the side,
even if the vehicle is parked on an
incline.
Jack up the vehicle until the wheel is a
maximum of 1.2 in (3 cm) from the
ground. Never start engine while
vehicle is raised.
Warning!G
Position the jack only on the jack take-up
brackets designed for this purpose.
If the jack is not properly positioned, the ve-
hicle may slip off of the jack.

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652 Practical hints
Flat tire
Removing the wheel
1Alignment bolt
Unscrew upper-most wheel bolt and re-
move.
Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.
Remove the remaining bolts.
Remove the wheel.Mounting the Minispare wheel
1Wheel bolt for light alloy rims
2Wheel bolt for Minispare wheel
(located in trunk with spare wheel)
Warning!G
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle.

Never start the engine when the vehicle
is raised.

Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt. This
could result in damage to the bolt and wheel hub
threads.
!Wheel bolts2 must be used when mount-
ing a Minispare wheel. The use of any wheel
bolts other than wheel bolts2 for a Minispare
wheel will physically damage the vehicle’s
brakes.
Warning!G
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.

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653 Practical hints
Flat tire
Clean contact surfaces of wheel and
wheel hub.Guide the Minispare wheel onto the
alignment bolt and push it on.
Insert wheel bolts and tighten them
slightly.
Unscrew the alignment bolt, install the
last wheel bolt and tighten slightly.
!To avoid paint damage, place wheel flat
against hub and hold it there while installing first
wheel bolt.
Warning!G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident.
Make sure you are using the correct wheel
bolts.
Warning!G
Only use genuine Mercedes-Benz wheel
bolts. Other wheel bolts may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
fall off the jack.
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654 Practical hints
Flat tire
Lowering the vehicle
Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.
Remove the jack.
1 - 5 Wheel bolts
Tighten the five wheel bolts evenly,
following the diagonal sequence
illustrated (1 to 5), until all bolts are
tight. Observe a tightening torque of
110 lb-ft (150 Nm).Before storing the jack, it should be fully
collapsed, with handle folded in (storage
position).Store the jack and the other vehicle
tools in the designated storage space
underneath the trunk floor
(
page 632).
Warning!G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 lb-ft (150 Nm).
iDo not activate the tire inflation pressure
monitor (
page 531) until a full size wheel/tire
with functioning sensor has been placed back
into service on the vehicle.
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655 Practical hints
Batteries
Batteries
Your vehicle is equipped with two batter-
ies:

The starter battery, located in the en-
gine compartment

The battery for electrical consumers
(consumer battery), located in the
trunk
The batteries should always be sufficiently
charged in order to achieve its rated ser-
vice life. Refer to Maintenance Booklet for
battery maintenance intervals.
If you use your vehicle mostly for short-dis-
tance trips, you will need to have the bat-
tery charge checked more frequently.
When replacing the batteries, always use
batteries approved by Mercedes-Benz.
If you do not intend to operate your vehicle
for an extended period of time, consult an
authorized Mercedes-Benz Center about
steps you need to observe.Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12-volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
!Do not tow-start the vehicle.
Warning!G
Observe all safety instructions and precau-
tions when handling automotive batteries.
Risk of explosion.
Fire, open flames and smoking
are prohibited when handling
batteries. Avoid creating sparks.
Battery acid is caustic. Do not
allow it to come into contact
with skin, eyes or clothing.
Wear suitable protective cloth-
ing, especially gloves, apron and
faceguard.
Wear eye protection.
Rinse any acid spills immediate-
ly with clear water. Contact a
physician if necessary.
Keep children away.
Follow the instructions in this
Operator’s Manual.
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