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26
General notes
Limited Warranty
* NOTE Damage to the vehicle arising
from violation of these operating instruc‐
tions.
Damage to the vehicle can arise from viola‐
tion of these operating instructions.
This damage is not covered either by the
Mercedes-Benz implied warranty or by the
New‑ or Used-Vehicle Warranty.
Follow the instructions in these operat‐
#
ing instructions on proper operation of
your vehicle as well as on possible vehi‐
cle damage.
QR code for rescue card
The QR code is secured in the fuel filler flap and
on the opposite side on the B-pillar. In the event
of an accident, rescue services can use the QR
code to quickly find the appropriate rescue card
for your vehicle. The current rescue card con‐
tains the most important information about your
vehicle in a compact form, e.g. the routing of the
electric lines.
Further information can be obtained at http://
www.mercedes-benz.de/qr-code.
Data storage
Electronic control units
Electronic control units are installed in your vehi‐
cle. Some of these are necessary for the safe
operation of your vehicle, while some assist you
when driving (driver assistance systems). In
addition, your vehicle provides comfort and
entertainment functions, which are also made
possible by electronic control units.
Electronic control units contain data memories
which can temporarily or permanently store
technical information about the vehicle's operat‐
ing state, component loads, maintenance
requirements and technical events or malfunc‐
tions.
In general, this information documents the state
of a component part, a module, a system or the
surroundings such as:
Operating status of system components (e.g.
R
fill levels, battery status, tire pressure)
Status messages concerning the vehicle or
R
its individual components (e.g. number of
wheel revolutions/speed, longitudinal accel‐
eration, lateral acceleration, display of fas‐
tened seat belts)
Malfunctions or faults in important system
R
components (e.g. lights, brakes)
Information on events leading to vehicle
R
damage
System reactions in special driving situations
R
(e.g. airbag deployment, intervention of sta‐
bility control systems)
Ambient conditions (e.g. temperature, rain
R
sensor)
In addition to providing the actual control unit
function, this data assists the manufacturer in
detecting and rectifying malfunctions and opti‐
mizing vehicle functions. The majority of this
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