Mercedes-Benz E-CLASS 2009 Manual page 334

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Retrofitting two-way radios and
mobile phones (RF transmitters)
Use the Technical Specification
46
ISO/TS 21609
when retrofitting RF (radio frequency) trans-
mitters.
If your vehicle has fittings for two-way radio
equipment (e.g. taxis, hire cars or official vehi-
cles), use the power supply or aerial connec-
tions intended for use with the basic wiring.
Be sure to observe the manufacturer's addi-
tional instructions when installing the fittings.
! Damage resulting from installation work
that has not been carried out correctly is
not covered by the Mercedes-Benz implied
warranty.
To ensure correct installation, Mercedes-
Benz recommends having this work done
at a Mercedes-Benz Service Centre or at a
qualified specialist workshop.
Transmission output
Transmission output at the aerial base must
not exceed the maximum values below.
Waveband
Short wave
(f < 54 MHz)
4 m waveband
2 m waveband
Trunked radio/Tetra 35 W
70 cm waveband
GSM 900/AMPS
GSM 1800
UMTS
46 ISO/TS 21609 – Technical Specification for Road Vehicles -- (EMC) guidelines for installation of aftermarket
radio frequency transmitting equipment.
* optional
implementation regulation
Maximum trans-
mission output
(PEAK)
100 W
30 W
50 W
35 W
10 W
10 W
10 W
Version: 2.11.8.1
Vehicle electronics
Aerial positions
The following aerial positions may be used if
RF transmitters have been properly installed:
Aerial positions, Saloon
Front roof area (vehicles with sliding/tilt-
:
ing sunroof*: observe the roof's sweep)
(vehicles with panorama sliding roof*: this
area is not authorised for use)
Rear roof area (vehicles with panorama
;
sliding sunroof*: this area is not author-
ised for use)
Rear mudguard (recommended installa-
=
tion position: on the side which faces the
centre of the road)
Boot lid
?
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