Vehicle Electronics - Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual

This is the case:
if they cause a change of the vehicle type
R
from that for which the vehicle's general
operating permit was granted
if other road users could be endangered
R
if the emission or noise levels are adversely
R
affected.
Always specify the vehicle identification num-
ber (VIN) ( page 364) and the engine num-
Y
ber ( page 365) when ordering genuine
Y
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 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 two-way radios and
mobile phones (RF transmitters)
G
WARNING
Incorrect retrofitting of RF transmitters can
cause the vehicle electronics to 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.
Vehicle electronics
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:
only approved wavebands may be used.
R
the maximum permissible output in
R
these wavebands must be complied with.
the approved aerial positions must be
R
complied with.
Approved aerial positions
Front roof area
:
Rear roof area
;
Rear wing
=
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 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
363
Z