Tyres and wheels
166 help you decide whether the tyre pressures
should be corrected.
The tyre pressure monitor is not able to
warn you of a sudden loss of pressure, e.g.
if the tyre is penetrated by a foreign object.
In the event of a sudden loss of pressure,
bring the vehicle to a halt by braking care-
fully. Do not make any sudden steering
movements when doing so.
i The operation of the tyre pressure moni-
tor can be affected by interference from
radio transmitting equipment (e.g. radio
headphones, two-way radios) that may be
being operated in or near the vehicle.
i If you are carrying a deflated tyre in the
vehicle, you may only reactivate the tyre
pressure monitor if:
R the deflated tyre is no longer in the vehi-
cle
R you have adjusted the tyre pressure cor-
rectly Calling up the tyre pressure by using
the on-board computer X
Make sure that the key is in position 2in
the ignition lock.
The standard display appears in the multi-
function display (Y page 100).
X Press the jork button to select the
tyre pressure function on the multi-function
steering wheel. The current tyre pressure for each wheel will
be displayed.
If the vehicle was parked for longer than
20 minutes, the following message appears:
Tyre pressure displayed only after
driving a few mins.
i
The tyre pressure values indicated by the
on-board computer may differ from those measured at a filling station with a pressure
gauge. The on-board computer will gener-
ally give a more accurate value.
Tyre pressure warning If the tyre pressure on one or more wheels
drops significantly, the following message
appears in the multi-function display:
The tyre pressure of the affected wheel(s) will
be displayed in a red rectangle. You will also
hear a warning tone.
Restarting the tyre pressure monitor
In most cases, the tyre pressure monitor will
automatically detect the new reference val-
ues, e.g. if you have:Operation
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Care
184
Cleaning the wiper blades and the out-
side of the windscreen G
Risk of injury
Before cleaning the windscreen or wiper
blades, turn the key in the ignition lock to
0. The windscreen wipers could otherwise
move and cause injury.
X Turn the key to position 1in the ignition
lock (Y page 59).
X Set the windscreen wipers to position Ion
the combination switch (Y page 82).
X Turn the key to position 0or remove it when
the wiper arms are vertical (Y page 59).
! Only fold the wiper arms away from the
windscreen when they are in a vertical posi-
tion, otherwise you will damage the bonnet.
X Fold the wiper arms away from the wind-
screen until you feel them snap into place.
X Clean the windscreen and the wiper blades.
X Fold the windscreen wipers back again
before the ignition is switched on.
! Do not clean the wiper blades too often
as this will result in the rubber becoming
porous, leading to wiper noise. Cleaning the windows !
Do not use dry cloths, abrasive products,
solvents or cleaning agents containing sol-
vents to clean the inside of the windows.
Clean the insides of the windows with a
damp cloth or commercially-available glass
cleaner. Avoid touching the inside of the
rear windscreen and the side windows with
hard objects, e.g. ice scrapers or rings. You
could otherwise cause damage to the win-
dows, rear window heating or aerial on the
rear window.
i Anti-glare film retrofitted to the insides of
the windows could interfere with radio or
mobile phone reception, especially if it is
conductive or metal-coated film. Informa-
tion about anti-glare film can be obtained
from any Mercedes-Benz Service Centre.
Cleaning the headlamps X
Clean the headlamp lenses with a wet
sponge.
! Only use washer fluid which is suitable
for plastic lenses. Unsuitable washer fluid
could damage the plastic lenses of the
headlamps.
Do not use the following: R
dry cloths
R abrasive cleaning agents
R solvents
R cleaning agents containing solvent
You could otherwise scratch or damage the
surface of the lenses.
Plastic trim !
Do not use dry, coarse or hard cloths and
do not scrub. Doing so will scratch or dam-
age the surfaces.
! In order to protect the vehicle's high-qual-
ity surfaces and to retain the overall
appearance, avoid contact with cosmetics
and suntan lotion.
X Wipe plastic parts with a damp, lint-free
cloth (e.g. a microfibre cloth).
X Light soiling: use a low-foaming soap (e.g.
a light liquid hand soap) diluted in water.
X Heavy soiling: use a cleaning agent that is
solvent-free and non-corrosive. Mercedes-
Benz recommends that you use a
Mercedes-Benz cleaning product for this
purpose. Operation
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Troubleshooting
223Problem Possible cause/consequence Suggested solutions
You hear a warning signal when
reversing. The ultrasonic reversing aid sen-
sors are dirty or there is interfer-
ence. X
Clean the ultrasonic reversing aid sensors (Y page 186).
X Switch the ignition back on. The problem ma
y be caused by an
external source of radio or ultra-
sound waves. The ultrasonic
reversing aid is switched off. X
See if ultrasonic reversing aid functions in a different location. You hear a warning tone when
reversing or you do not hear a
warning tone and none of the seg-
ments light up. The ultrasonic reversing aid has
malfunctioned and has switched
itself off. X
Have the ultrasonic reversing aid checked at a qualified specialist
workshop as soon as possible. Headlamps and turn signals
Problem Possible cause/consequence Suggested solutions
The headlamps or the turn signals
in the exterior mirrors are misted
up on the inside. Air humidity is very high. X
Drive with the headlamps switched on.
The headlamps are demisted after a short distance. The headlamp housing is not
sealed and moisture has been
able to enter. X
Have the headlamps checked at a qualified specialist workshop. Practical advice
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Vehicle electronics
260 Vehicle electronics
Tampering
with the engine electron-
ics G
Risk of accident
Only have work on the engine electronics
and related components carried out at a
qualified specialist workshop which has the
necessary specialist knowledge and tools
to carry out the work required. Mercedes-
Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
The vehicle's roadworthiness could other-
wise be affected.
! Only have work done on the engine elec-
tronics and its associated parts, such as
control units, sensors and connector leads,
carried out at a qualified specialist work-
shop, e.g. a Mercedes-Benz Service
Centre. Otherwise, vehicle components
may wear more quickly and your vehicle's
warranty and operating permit may be inva-
lidated. Retrofitting electrical and electronic
equipment
Electrical and electronic equipment can jeop-
ardise the operating safety of your vehicle. If
equipment of this kind is retrofitted, it must
be type-approved and bear the emark. The
e mark may be obtained from the equipment
manufacturer or an authorised testing centre.
! Damage or consequential damage arising
from fitting equipment not approved by
Mercedes-Benz is not covered by the
Mercedes-Benz warranty.
If you wish to install two-way radios in the
vehicle, you must obtain formal approval.
Mercedes-Benz approves the installation of
two-way radios if such equipment is installed
professionally and a low-reflection exterior
aerial is used.
The transmission output of the two-way radio
must not exceed the maximum transmission
outputs listed. G
Risk of accident
Two-way radios may interfere with the vehi-
cle electronics and thereby jeopardise the
operational safety of the vehicle and your
own safety if: R
they do not have an exterior aerial
R the exterior aerial is not a low-reflection
aerial
R the exterior aerial has been fitted incor-
rectly G
Risk of injury
Excessive electromagnetic radiation may
also cause damage to your health and the
health of others. Using an exterior aerial
takes into account current scientific dis-
cussions relating to the possible health haz-
ards that may result from electromagnetic
fields.
For this reason, only have the exterior aerial
fitted at a qualified specialist workshop
which has the necessary specialist knowl-
edge and tools to carry out the work
required. Mercedes-Benz recommends
that you use a Mercedes-Benz Service
Centre for this purpose. In particular, work
relevant to safety or on safety-related sys-
tems must be carried out at a qualified spe-
cialist workshop.
i Mercedes-Benz recommends the use of
an approved exterior aerial. This ensures
optimal reception quality for mobile tele- Technical data
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Frequencies for garage door openers*
282Adapt the mixing ratio to the outside tem-
peratures. G
Risk of fire
Windscreen washer concentrate is highly
flammable. Fire, naked flames and smoking
are prohibited when windscreen washer
concentrate is being handled. Frequencies for garage door openers*
Country Radio registration number MHz frequency range
Egypt W-KLE-17 / 08 March 06 27, 30, 40, 418, 433, 868
Andorra 20 July 27, 30, 40, 433, 868
Australia 28 June 27, 30, 40, 433, 868
Barbados Registration not required 27, 40, 433, 868
Belgium Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Bulgaria Article 6 of Directive 1999/5/EC R&TTE 12 April 07 27, 40, 433, 868
Chile 38447/F-23 No.3.3634 40, 433
Denmark Article 6 of Directive 1999/5/EC R&TTE20 April 05 27, 40, 433, 868
Germany Article 6 of Directive 1999/5/EC R&TTE7519301 29 April 05 27, 40, 433, 868
Estonia Article 6 of Directive 1999/5/EC R&TTE11 May 05 27, 40, 433, 868
Finland Article 6 of Directive 1999/5/EC R&TTE10668 13 May 05 27, 40, 433, 868
France Article 6 of Directive 1999/5/EC R&TTE10668 13 May 05 27, 30, 40, 433, 868Technical data
* optional
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Frequencies for garage door openers*
283Country Radio registration number MHz frequency range
French Guyana Article 6 of Directive 1999/5/EC R&TTE10668 13 May 05 27, 30, 40, 433, 868
Gibraltar Article 6 of Directive 1999/5/EC R&TTE13 May 05 (UK) 27, 40, 418, 433, 868
Greece Article 6 of Directive 1999/5/EC R&TTE11409/18/4/2005 18 May 05 27, 40, 433, 868
United Kingdom Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 418, 433, 868
Guadeloupe Article 6 of Directive 1999/5/EC R&TTE10668 13 May 05 27, 30, 40, 433, 868
Ireland Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Iceland Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Italy DGPGSR/II/347487/FOR/15347
DGPGSR/II/347487/FOR/15348
DGPGSR/II/347487/FOR/15350
DGPGSR/II/347487/FOR/15357
DGPGSR/II/347487/FOR/15358
DGPGSR/II/347487/FOR/15359 27, 40, 433, 868
Jordan TRC/LPD/2005/23 27, 30, 40, 433, 868
Canary Islands 000438/2005, 000439/2005
000440/2005, 000441/2005
000445/2005, 000446/2005
000447/2005, 3 June 2005 27, 40, 433, 868
Croatia SDR 224/06 27, 40, 433, 868
Kuwait 5 October 2005 27, 30, 40, 418, 433, 868 Technical data
* optional
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Frequencies for garage door openers*
284 Country Radio registration number MHz frequency range
Latvia Article 6 of Directive 1999/5/EC R&TTE 3 July 05 27, 40, 433, 868
Lebanon 2920/O&M/2006 / 26 April 06 27, 40, 433, 868
Liechtenstein Article 6 of Directive 1999/5/EC R&TTE 14357 27 May 05 27, 40, 433, 868
Lithuania Article 6 of Directive 1999/5/EC R&TTE 3 July 05 27, 40, 433, 868
Luxembourg Article 6 of Directive 1999/5/EC R&TTE150405/9538 24 May 05 27, 40, 433, 868
Malta Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Martinique Article 6 of Directive 1999/5/EC R&TTE11 July 05 27, 30, 40, 433, 868
Monaco Article 6 of Directive 1999/5/EC R&TTE10668 13 May 05 27, 40, 433, 868
New Zealand 20 March 06 27, 30, 40, 433
The Netherlands Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Norway Article 6 of Directive 1999/5/EC R&TTE05/02424-SA644 18 May 05 27, 40, 433, 868
Austria Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Poland Article 6 of Directive 1999/5/EC R&TTE21 April 05 27, 40, 433, 868
Portugal ANCOM-S08399/05 27, 40, 433, 868
Reunion Article 6 of Directive 1999/5/EC R&TTE11 July 05 27, 40, 433, 868
Romania Article 6.4 of Directive 1999/5/EC R&TTE 27, 30, 40, 433, 868
Russia 13 May 05 433
Saudi Arabia 11_02_05/5024-5-6 418, 433Technical data
* optional
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Frequencies for garage door openers*
285Country Radio registration number MHz frequency range
Sweden Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
Switzerland Article 6 of Directive 1999/5/EC R&TTE14357 27 May 05 27, 40, 433, 868
Slovakia Article 6 of Directive 1999/5/EC R&TTE
Slovak
206/11/2005 4 May 05 27, 40, 433, 868
Slovenia Article 6 of Directive 1999/5/EC R&TTE 500-1/2005-437 9 May 05 27, 40, 433, 868
Spain 000438/2005, 000439/2005, 000440/2005
000441/2005, 000445/2005, 000446/2005
000447/2005 27, 40, 433, 868
South Africa 11 October 2005 27, 40, 433
Syria 279/4/14 / 05 March 06
Czech Republic General Licence GL-30/R/2000 Reg. No. 844 13 May 05 27, 40, 433
Turkey National Certification 23.Jul. 07 433
Hungary Article 6 of Directive 1999/5/EC R&TTE18 May 05 27, 40, 433, 868
United Arab Emirates 1623/5/10-2/26/76 433
Cyprus Article 6 of Directive 1999/5/EC R&TTE5 May 05 27, 40, 433, 868 Technical data
* optional
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