sion surrounding the possible health risk
posed by electromagnetic fields.
Approved aerial positions
:
Front roof area
;
Rear roof area
=
Rear wing
?
Boot lid
i
On vehicles with panorama sliding sun-
roof, fitting an aerial to the front or rear roof
area is not permitted.
On the rear wing, it is recommended that
you position the aerial on the side of the
vehicle closest to the centre of the road.
Use Technical Specification ISO/TS 21609
(Road Vehicles – "EMC guidelines for fitting
aftermarket radio frequency transmitting
equipment") when retrofitting RF (radio fre-
quency) transmitters. Comply with the legal
requirements for add-on parts.
If your vehicle has fittings for two-way radio
equipment, use the power supply or aerial
connections intended for use with the basic
wiring. Be sure to observe the manufacturer's
additional instructions when installing.
Deviations with respect to wavebands, maxi-
mum transmission outputs or aerial positions
must be approved by Mercedes-Benz.
The maximum transmission output (PEAK) at
the base of the aerial must not exceed the
following values:
Waveband Maximum
transmission
output
Short wave
3 - 54 MHz
100 W
4 m waveband
74 - 78 MHz
30 W
2 m waveband
144 - 174 MHz
50 W
Trunked radio/Tetra
380 - 460 MHz
10 W
70 cm waveband
400 - 460 MHz
35 W
GSM/UMTS/LTE 10 W
The following can be used in the vehicle with-
out restrictions:
R
RF transmitters with a maximum transmis-
sion output of up to 100 mW
R
mobile phones (GSM/DCS/PCS/UMTS/
LTE)
There are no restrictions when positioning the
aerial on the outside of the vehicle for the fol-
lowing wavebands:
R
trunked radio/Tetra
R
70 cm waveband
R
GSM/UMTS/LTE
Vehicle electronics
467
Technical data
Z
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