Vehicle electronics
Tampering with the engine elec-
tronics
G
Risk of accident
For safety reasons, and to maintain the gen-
eral operating permit, work carried out on
the engine electronics by a qualified special-
ist workshop which has the necessary spe-
cialist knowledge and tools to carry out the
work required. The vehicle's operating
safety may otherwise be jeopardised.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
! Only have work done on the engine elec-
tronics and its associated parts, such as con-
trol units, sensors and connector leads, carried
out at a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre. Otherwise, ve-
hicle components may wear more quickly and
the warranty and vehicle's general operating
permit may be invalidated.
Retrofitting electrical or electronic
equipment
Electrical and electronic equipment can
jeopardise the operational safety of the ve-
hicle. If equipment of this kind is retrofit-
ted, it must be type-approved and bear the
e mark. The e mark may be obtained from
the equipment manufacturer or an author-
ised testing centre.
! Damage caused by or as a consequence of
fitting equipment that is not approved by
Mercedes-Benz is not covered by the
Mercedes-Benz warranty.
If you wish to install telephones or two-
way radios in the vehicle, you must obtain
formal approval. Mercedes-Benz approves
the installation of mobile phones and two-
way radios if such equipment is installed
professionally and a low-reflection exterior
aerial is used.
The transmission output of the mobile
phone or two-way radio must not exceed
the maximum transmission outputs listed.
G
Risk of accident
Mobile phones and two-way radios may in-
terfere with the vehicle electronics and
thereby jeopardise the operational safety of
the vehicle and your own safety if:
I
they do not have an exterior aerial
I
the exterior aerial is not a low-reflection
aerial
I
the exterior aerial has been fitted incor-
rectly
Excessive electromagnetic radiation may al-
so cause damage to health.
For this reason, only have the exterior aerial
installed at a qualified specialist workshop
which has the necessary specialist knowl-
edge and tools to carry out the work re-
quired.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
Frequency range Maximum permis-
sible transmission
output
Short wave (<
50 MHz)
100 W
4 m waveband 20 W
2 m waveband 50 W
Technical data
Vehicle electronics
348
6
Nur fuer internen Gebrauch
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