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Only connect equipment to a diagnostics con-
nection in the vehicle, which is approved for
your vehicle by Mercedes-Benz.
Modifying the engine output
!
Increased power could:
change emission levels
R
cause malfunctions
R
lead to consequential damage
R
The operating safety of the engine cannot be
guaranteed in all situations.
Any tampering with the engine management
system in order to increase the engine power
output will lead to the loss of warranty entitle-
ments.
If the vehicle's engine power output is
increased:
tyres, suspension, brake and engine cooling
R
systems must be adapted to the increased
engine power output
have the vehicle recertified
R
report changes in power output to the vehicle
R
insurers
This will otherwise lead to the invalidation of the
vehicle's general operating permit and its insur-
ance cover.
If you sell the vehicle, inform the buyer of any
alterations to the vehicle's engine power output.
If you do not inform the buyer, this may consti-
tute a punishable offence under national legis-
lation.
Qualified specialist workshop
A qualified specialist workshop has the neces-
sary specialist knowledge, tools and qualifica-
tions to carry out the work required on the vehi-
cle correctly.
This is particularly applicable to work relevant to
safety. Observe the notes in the Maintenance or
Service booklet.
You should always have the following work on
your vehicle carried out at a qualified specialist
workshop:
safety-relevant work
R
service and maintenance work
R
repair work
R
modifications as well as installations and con-
R
versions
work on electronic components
R
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre.
!
Only have work carried out on the engine
electronics and its associated parts, such as
control units, sensors, actuating components
and connector leads, at a qualified specialist
workshop. Vehicle components may other-
wise wear more quickly and the vehicle's
operating permit may be invalidated.
Vehicle registration
Mercedes-Benz may ask its Service Centres to
carry out technical inspections on certain vehi-
cles. This is always the case if it is possible to
improve quality or safety levels. Mercedes-Benz
can only inform you about vehicle checks if it
has your registration data.
Your registration data are not available if:
your vehicle was not purchased at an author-
R
ised specialist dealer
your vehicle has not yet been inspected at a
R
Mercedes-Benz Service Centre
It is advisable to register your vehicle with a
Mercedes-Benz Service Centre. Inform
Mercedes-Benz as soon as possible about any
change in address or vehicle ownership.
®
BlueTec
exhaust gas aftertreatment
®
The BlueTec
exhaust gas aftertreatment sys-
tem must be operated in conjunction with the
reducing agent AdBlue
rectly.
Information about AdBlue
Service products section (
Topping up and operating the vehicle with
®
AdBlue
is required for compliance with emis-
sions requirements and is, therefore, a condi-
tion of the operating permit for the vehicle. The
operating permit is invalidated if the vehicle is
operated without AdBlue
quence of this is that the vehicle may no longer
be operated on public roads.
This may be an offence or a breach of road traffic
regulations in certain countries. Special con-
cessions granted either at the time of purchase
Introduction
®
if it is to function cor-
®
can be found in the
Y
page 425).
®
. The legal conse-
Z
31
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