Page 240 of 309
Problem
Possible causes/consequences and
X
X Solutions J
The red brake
system warning
lamp comes on
while the engine
is running. A
warning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Consult a qualified specialist workshop.
X Observe the additional messages in the multi-function display
(Y page 211).
Do not top up the brake fluid. This will not rectify the fault. ;
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running. Vehicles with a diesel engine: the fuel tank has been run dry.
X
Start the engine three to four times after refuelling.
Emergency running mode is cancelled. The vehicle need not be
checked. ;
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running. There may be a fault, for example:
R
in the engine management
R in the ignition system
R in the exhaust system
R in the ignition system (for vehicles with petrol engines)
The emission limit values may be exceeded and the engine can
run in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop. h
The yellow tyre
pressure moni-
tor* warning
lamp is on. G
Risk of accident
The tyre pressure monitor* has detected a sudden or significant
pressure loss in at least one of the tyres.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to traffic conditions as you do so.
X Observe the additional messages in the multi-function display
(Y page 211).
The warning light will go out after the flat tyre has been changed
and you have been driving for a few minutes. Troubleshooting
237Practical advice
* optional
X164_AKB; 2; 3, en-GB
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Page 242 of 309
Problem
Possible causes/consequences and
X
X Solutions The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning. The fuel level has fallen below the reserve range. The operation of
the auxiliary heating* can no longer be guaranteed.
X
Refuel at the nearest filling station. Warning tones
Problem
Possible causes/consequences and
X
X Solutions The anti-theft warning
alarm* is triggered. You have opened the vehicle with the anti-theft alarm system still
activated*.
X
Switch off the alarm (Y page 54). You hear a warning
tone. A message appears in the multi-function display.
X
See the explanations for the display message (Y page 211). You are driving with the parking brake applied.
X
Release the parking brake. The lights are still switched on when you leave the vehicle.
X
Turn the light switch to $orÃ.
or
X If the rear foglamp is switched on: press the light switch in to
the stop. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 75). Troubleshooting
239Practical advice
* optional
X164_AKB; 2; 3, en-GB
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Page 263 of 309
Tail lamps with LEDs
:
Rear foglamp
; Reversing lamp
X Switch off the lights.
X Open the luggage compartment.
X Open the side trim panel (Y page 259).
X Turn the corresponding bulb holder anti-
clockwise and remove it.
X Remove the bulb from the bulb holder.
X Insert the new bulb into the bulb holder.
X Insert the bulb holder and turn it clockwise.
X Close the side trim panel (Y page 259).
Tail lamp (exterior spare wheel
bracket*) On vehicles with an exterior spare wheel
bracket*, the following lamps are located in
the bumper:
R turn signal lamp
R tail lamp/parking lamp/brake lamp
R licence plate lamp X
Switch off the lights.
X Insert a plastic card into the gap between
the bumper and lamp cluster :.
X Push the plastic card in the direction of the
arrow.
Lamp cluster :pops out.
X Remove lamp cluster :. ;
Turn signal lamp
= Tail lamp/parking lamp/brake lamp
X Turn the corresponding bulb holder anti-
clockwise and remove it.
X Press the lamp slightly into the holder, turn
it anti-clockwise and pull it out.
X Insert the new bulb into the bulb holder and
turn it clockwise.
X Insert the corresponding bulb holder and
turn it clockwise.
X Insert lamp unit :and press in firmly.
Lamp unit :snaps into place.
Licence plate lamp 260
Changing bulbsPractical advice
* optional
X164_AKB; 2; 3, en-GB
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2009-03-31T14:14:58+02:00 - Seite 260
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