ist workshop, e.g.
aMercedes-Ben zService
Cent re.V ehicle component smay other-
wise wear mor equickly and the vehicle's
operatin gpermit may be invalidated. Retrofitting of two-way radios and
mobile phones (RF transmitter)
Use th eTechnical Specification
ISO/TS 21609 55
implementation regulation
when retrofitting RF (radi ofrequency) trans-
mitters.
If your vehicle has fittings for two-way radio
equipmen t(e.g. taxis, hire car sorofficial vehi-
cles) ,use the power suppl yoraeria lconnec-
tion sintended for use with the basic wiring.
Be sure to observe the manufacturer's addi-
tional instructions whe ninstalling the fittings.
! Have aftermarket radio frequency trans-
mitting equipment installed at aqualified
specialist workshop. Mercedes -Ben zrec-
ommends that you use aMercedes-Benz
Ser vice Centre for thi spurpose.
The transmission output at the aerial base
must not exceed the maximum values below. Waveband Maximum trans-
mission output
(PEAK)
Short wave (f <
54 MHz) 100 W
4mw
aveband 30 W
2mw
aveband 50 W
Trunked radio/Tetra 35 W
70 cm waveband 35 W
GSM 900/AMPS 10 W
GSM 1800 10 W
UMTS 10 W The following aerial positions may be used if
RF transmitters have been properly installed:
Aerial positions: Coupé
:
Fron troof area 56
; Rear roof area 56
= Rear wing 57
? Boot lid Aerial positions: Cabriolet
:
Rear wing 57 G
Risk of accident
In co rrect retrofit ting of RF transmitters can
cause the vehicl eelectronics to malfunction,
impair the vehicle's operatin gsafety and,
thus, also impair your own safety.
To ensure proper installation, Mercedes-Benz
recommends having this work done at a
Mercedes-Benz Service Centr eoratanother
qualified specialis tworkshop.
55 ISO/TS 2160 9–Technical Specification for Road Vehicles (EMC) guidelines for installation of aftermarket
radio frequenc ytransmitting equipment.
56 Vehicles wit hpanorama sliding sunroof: this area is not permitted.
57 Recommended installation position: on the side which faces the centre of the road. Vehicl
eelectronics
311Technical da ta
BA 207 ECE ÄJ 2010/1a; 1; 2, en-GB
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