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Vehicle electronics
310
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
!
Only have work carried out on the engine
electronics and its associated parts, such as
control units, sensors, actuating components
and connector leads, at a qualified specialist
workshop. Vehicle components may other-
wise wear more quickly and the vehicle's
operating 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 electron-
ics if two-way radios are manipulated or ret-
rofitted 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 quali-
fied 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 moun-
R
ted 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 conditions 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 discussions 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 fender
:
i
On the rear fenders, it is recommended to
position 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 Vehicles
- EMC guidelines for installation of aftermarket
radio frequency transmitting equipment).
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 basic wir-
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