may invalidate the vehicle's general operating
permit.
This is the case:
R if they cause a change of the vehicle type
from that for which the vehicle's general
operating permit was granted
R if other road users could be endangered
R if the emission or noise levels are adversely
affected
Always specify the vehicle identification num-
ber (VIN) (Y page 340) and the engine num-
ber (Y page 341) when ordering genuine
Mercedes-Benz parts. 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 ou tonthe 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) G
WARNING
Incorrect retrofitting of RF transmitters can
cause the vehicle electronicst o malfunction.
The vehicle's operating safety and thus your
own safety are impaired.
Have aftermarket radio frequency transmit-
ting equipment installed at a qualified spe-
cialist workshop. G
WARNING
Incorrect retrofitting of RF transmitters can
lead to increased electromagnetic radiation in
the vehicle interior. Using an exterior aerial
takes into account current scientific discus-
sions relating to the possible health hazards
that may result from electromagnetic fields.
Have aftermarket radio frequency transmit-
ting equipment installed at a qualified spe-
cialist workshop.
! The operating permit may be invalidated
if the instructions for installation and use of
RF transmitters are not observed.
In particular, the following conditions must
be complied with:
R only approved wavebands may be used.
R the maximum permissible output in
these wavebands must be complied with.
R the approved aerial positions must be
complied with. Approved aerial positions
:
Front roof area
; Rear wing
i When fitting an aerial on the front roof
area of vehicles with a sliding sunroof,
observe the sweeping range of the roof.
On the rear wing, it is recommended to
position the aerial on the side of the vehicle
that faces 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- Vehicle electronics
339Technical data Z
