Operation Manual

138 Driving and operating
If the acoustic signal sounds 3 times
continuously when there are no
obstacles near the front or rear
bumper, there is a fault in the system.
Have the cause of the fault remedied
by a workshop.
Important hints for using the
parking assist system
9 Warning
Under certain circumstances,
various reflective surfaces on
objects or clothing as well as
external noise sources may cause
the system to fail to detect
obstacles.
Caution
Performance of the sensors may
be reduced when the sensors are
covered, e.g. by ice or snow.
The system may not detect sharp
or narrow objects, thick clothes or
soft materials, which absorb the
frequency.
For these reasons, care must be
taken when reversing, even if the
system is operational. This is of
particular importance when in the
vicinity of pedestrians.
Fuel
Fuel for petrol engines
Only use unleaded fuel that complies
with DIN EN 228
1)
.
Equivalent standardised fuels with an
ethanol content of max. 10 % by
volume may be used. In this case only
use fuel that complies with
DIN 51625.
Use fuel with the recommended
octane rating 3 190. Use of fuel with
too low an octane rating can reduce
engine power and torque and slightly
increases fuel consumption.
Caution
Use of fuel with too low an octane
rating could lead to uncontrolled
combustion and engine damage.
1)
Russia only: Usage of fuel with quality, not complying to the Technical Regulations in effect (Decree № 118 of 27.02.2008
with amendments of 30.12.2008 № 1076) can lead to engine damage and loss of all warranty obligations.