38
Description and roadside assistance
Guidelines for Breakdown Services (Subject to technical modifications)
i
Instrument panel
Ê
Ê
.
Power reduced
The indicator lamp
±
flashes.
The NOx sensor is defective.
왘
Have the fault rectified at a qualified
workshop.
If the cause of the fault is not rectified
within 50 operating hours, the engine
power is automatically reduced the next
time the vehicle comes to a standstill.
:
:.
Steering
sluggish
Immediate
service
required
Risk of accident
G
The hydraulic steering system is
leaking. The steering ability of
the vehicle may change.
i
The display message
consists of 2 parts. Press button
„
to see the 2nd part.
왘
Have the steering checked immedi-
ately at a qualified workshop.
Ñ
Ñ.
Steering circuit 2 has failed. The
vehicle can only be steered with
increased effort.
왘
Adjust your driving style. Reduce
speed before corners in particular.
왘
Have the steering system checked
at a qualified workshop.
Ë}
}.
Retarder
shutoff not
possible
Service
required
Malfunction in the retarder
control.
The retarder is not switched off
• During ABS control
• When the accelerator pedal
is operated
왘
Drive with special care.
왘
Have the retarder control checked at
a qualified workshop.
·
115
°C
(example)
·.
Coolant
temperature
too high
115
°C
The coolant temperature is too
high. The engine output is
automatically reduced.
왘
Reduce speed and shift to a lower
gear if necessary.
왘
Make sure that the air supply to the
radiator is not obstructed.
Î
Î.
Air filter
clogged
Service due
The air filter is clogged.
The engine output may be
reduced.
i
The display message
consists of 2 parts. Press button
„
to see the 2nd part.
왘
Have the air filter replaced at a qual-
ified specialist workshop at the first
opportunity, e.g. at a Mercedes-Benz
service center.
Display message with red status indicator
Standard
onboard
computer:
Plus onboard
computer:
Possible cause/consequence Possible remedy
