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Vehicle electronics
296
Information regarding technical data
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The data stated here specifically refers to
a vehicle with standard equipment. Consult
an authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
Vehicle electronics
Tampering with the engine electron-
ics
!
Have the engine electronics and associ-
ated parts, such as control units, sensors,
actuating components or electric cables
serviced only at a qualified specialist work-
shop. Vehicle components may otherwise
wear more quickly and the vehicle's operat-
ing permit may be invalidated.
Installing two-way radios and mobile
phones (RF transmitters)
G
WARNING
The electromagnetic radiation from two-way
radios can interfere with the vehicle elec-
tronics if two-way radios are manipulated or
retrofitted incorrectly. This could jeopardize
the operating safety of the vehicle. There is
a risk of an accident.
You should have all work on electrical and
electronic components carried out at a
qualified specialist workshop.
G
WARNING
If you incorrectly operate two-way radios in
the vehicle, the electromagnetic radiation
may interfere with the vehicle electronics,
for example if:
the two-way radio is not connected to an
R
exterior antenna
the exterior antenna is not correctly
R
mounted or is not low-reflection
This could jeopardize the operating safety of
the vehicle. There is a risk of an accident.
Have the low-reflection exterior antenna
installed at a qualified specialist workshop.
Always connect two-way radios to the low-
reflection exterior antenna when operating
in the vehicle.
!
The operating permit may be invalidated if
the instructions for installation and use of
two-way radios are not observed.
In particular, the following requirements
must be complied with:
only approved wavebands may be used
R
observe the maximum permissible output
R
in these wavebands
only approved antenna positions may be
R
used
Excessive levels of electromagnetic radiation
may cause damage to your health and the
health of others. Using an exterior antenna
takes into account current scientific discus-
sions relating to the possible health hazards
that may result from electromagnetic fields.
The following antenna positions may be used if
RF transmitters have been properly installed:
Approved antenna positions
Rear fenders
:
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On the rear fenders, it is recommended to
install the antenna on the side of the vehicle
closest to the center of the road.
Use the Technical Specification ISO/TS 21609
when retrofitting RF transmitters (Road Vehi-
cles - EMC guidelines for installation of after-
market radio frequency transmitting equip-
ment). Observe the legal requirements for
accessory parts.
If your vehicle has installations for two-way
radio equipment, use the power supply or
antenna connections intended for use with the
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