H
Environmental note
Daimler AG also supplies reconditioned
assemblies and parts which are of the same
quality as new parts. For these, the same war-
ranty applies as for new parts.
Always specify the vehicle identification num-
ber (VIN) (Y page 382) and the engine num-
ber (Y page 383) when ordering genuine
Mercedes-Benzparts.
Vehicle electronics
Tampering with the engine electron-
ics
G
WARNING
Always have work on the engine electronics
and related components carried out at a quali-
fied specialist workshop. Otherwise, the vehi-
cle's operating safety could be affected.
!
Only have work carried out on the engine
electronics and its associated parts, such
as control units, sensors and connector
leads, at a qualified specialist workshop.
Vehicle components may otherwise wear
more quickly and the vehicle's operating
permit may be invalidated.
Retrofitting of two-way radios and
mobile phones (RF transmitters)
Use the Technical Specification
ISO/TS 21609
41
implementation regulation
when retrofitting RF (radio frequency) trans-
mitters.
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.
!
Have aftermarket radio frequency trans-
mitting equipmentinstalled at a qualified
specialist workshop.
The transmission outputatthe aerial base
must not exceed the maximum values below.
Waveband Maximum
transmission
output (PEAK)
Short wave (f < 54 MHz) 100 W
4 m waveband 30 W
2 m waveband 50 W
trunked radio/Tetra 35 W
70 cm waveband 35 W
GSM/DCS/PCS
850/900/1800/1900
10 W
UMTS/LTE 10 W
The following aerial positions may be used if
RF transmitters have been properly installed:
Saloon
:
Front roof area
42, 43
;
Rear roof area
43
=
Rear wing
44
?
Boot lid
41
ISO/TS 21609 –Technical Specification for Road Vehicles (EMC) guidelines for installation of aftermarket
radio frequency transmitting equipment.
42
Vehicles with a sliding sunroof: observe the roof's sweep.
43
Vehicles with a panorama sliding sunroof: this area is not permitted.
44
Recommended installation position: on the side which faces the centre of the road.
Vehicle electronics
381
Technical data
Z
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