Page 307 of 401

Troubleshooting
304 Problem Possible cause/consequence Suggested solutions
The vehicle cannot be started
using the KEYLESS GO key and
the KEYLESS GO button. The KEY-
LESS GO key is in the vehicle. A door is open. The key therefore
cannot be detected so easily. X
Close the door and try to start the vehicle again. You did not depress the brake
when starting the engine. X
Depress the brake and press the KEYLESS GO button. There is interference from a pow-
erful source of radio waves. X
Start your vehicle using the KEYLESS GO key in the ignition lock. You have lost the KEYLESS GO
key. X
Have the KEYLESS GO key cancelled at a Mercedes-Benz Service
Centre.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the manual locks changed too. Auxiliary heating*
Problem Possible cause/consequence Suggested solutions
The auxiliary heating is not work-
ing. The fuel level is down to the
reserve level. X
Refuel at the nearest filling station. The battery is not sufficiently
charged. X
Charge the battery. The auxiliary heating is faulty. X
Have the auxiliary heating checked at a qualified specialist work-
shop. Practical advice
* optional
211_AKB; 2; 5, en-GB
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Page 348 of 401

Vehicle electronics
345Vehicle 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
specialist workshop.
i Mercedes-Benz recommends the use of
an approved exterior aerial. This ensures
optimal reception quality for mobile tele- Technical data
211_AKB; 2; 5, en-GB
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Page 394 of 401

Frequencies for garage door openers*
391
Top up the washer fluid reservoir with a
mixture of water, antifreeze and wind-
screen washer concentrate (Y
page 226).
Adapt 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 Frequency range MHz
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
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 Technical data
* optional
211_AKB; 2; 5, en-GB
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Frequencies for garage door openers*
392 Country Radio registration number Frequency range MHz
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, 868
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, 868Technical data
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 396 of 401

Frequencies for garage door openers*
393Country Radio registration number Frequency range MHz
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
Latvia 2920/O&M/2006 / 26 April 06 27, 40, 433, 868
Lebanon Article 6 of Directive 1999/5/EC R&TTE 27.4-1B-1609 6 May 05 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&TTE27.4-1B-1609 6 May 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 Technical data
* optional
211_AKB; 2; 5, en-GB
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Page 397 of 401

Frequencies for garage door openers*
394 Country Radio registration number Frequency range MHz
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, 433
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, 868Technical data
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 398 of 401
Frequencies for garage door openers*
395Country Radio registration number Frequency range MHz
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
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
211_AKB; 2; 5, en-GB
mkalafa,
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