154 Driving and operating
Fault
The lane departure warning system
may not operate properly when:
■ the windscreen is not clean
■ there are adverse environmental
conditions like heavy rain, snow,
direct sunlight or shadows
■ no lane marking can be detected
If the lane departure warning system
detects one of these conditions, the
control indicator ) illuminates yellow.
Additionally a warning code or
a warning message is displayed in the
Driver Information Center.
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 3 209. 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.
Fuel for ethanol adapted
engines (E85)
If access to E85 is limited then fuel
with a different proportion of ethanol
or normal RON 95 can be used for
refuelling. The engine’s control
management system is adjusted
automatically according to the
amount of ethanol in the fuel.
E85 fuel must fulfil the CWA 15293 or
SS 155480 standard.
When the temperature is about -10 °C
or lower a greater proportion of petrol
should be used. E85 in combination
with low temperatures could lead to
the car being more difficult to start.
A slightly higher proportion of petrol
improves the cold start properties
considerably.
During the engine’s warm-up phase
(below +50 °C) engine torque is
limited when driving with a proportion
of ethanol.
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.
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