Instruments and Indicator/Warning Lights
32
without dazzling the oncoming
vehicles. Furthe
r information
⇒page 64, “Tourist
light”. Service Here you can have the
kilometers still to be driven and the days until the following
service interval shown and the Service Interval Display reset. Factory Setting After selecting the menu point
Factory Setting
the factory setting of the informa-
tion display is established again.Information display in the rear centre consoleThe time and the outside temperature is displayed on the information display in the rear centre console when the ignition is switched on
⇒fig. 34
.
The values are taken over by the instrument cluster.
Fig. 34 Centre console at rear: Information display
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Instruments and Indicator/Warning Lights
35
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
Switching off the hazard warning light system is switched on will cause all of the turn signal lights as well as
both indicator lights to flash.
Further information about
the turn signal system
⇒page 67.
Fog lights
The warning light
comes on when the fog lights are operating
⇒page 64.
Main beam
The indicator light
comes on when the main beam is selected or also when the
headlight flasher is operated. Further information about the main beam
⇒page 67.
Low beam
The warning light
comes on when low beam is selected
⇒page 60.
Rear fog light
The warning light
comes on when the rear fog lights are operating
⇒page 65.
Cruise control system*
The warning light
lights up, when operating the speed regulating system.
Failure of the light bulbs
The warning light
comes on if a light bulb is damaged:
•
up to 2 seconds after the ignition is switched on,
•
when switching on the defective light bulb.
The following text e.g will be displayed in the information display*:
Check front right dipped beam!
The rear side lights and the licence plate
lighting require several light bulbs. The
indicator light
only lights up if all light bulbs
of the licence plate lighting or the
parking light (in one rear light unit) are defe
ctive. Check regularly the function of the
light bulbs.Adaptive headlights*
If the warning light
flashes for 1 minute while driving or after switching on the
ignition and a warning signal sounds, a fault of the adaptive headlights is confirmed. Further information
⇒page 63.
Diesel particle filter*
(diesel engine)
If the warning light
comes on, this means that soot has accumulated in the
diesel particle filter because of the frequent short distances. In order to clean the diesel particle filter,
the vehicle should be driven at an even
speed of at least 60 km/h at engine speeds of 1 800 - 2 500 rpm for at least 15 minutes or until the warning light goes out with the 4th or 5th gear engaged (auto-matic gearbox: position S) when the traffi
c situation permits it. This increases the
exhaust temperature and the soot deposited in the diesel particle filter is burnt. Always pay attention to the valid speed limits
⇒
.
The warning light
goes out after the successful cleaning of the diesel particle
filter. If the filter is not properly cleaned, the warning light
does not go out and the
warning light
begins to flash. In the in
formation display* appears
Diesel-
particle Owner's manual
. Afterwards the engine control unit shifts the engine into
the emergency mode, which only has a re
duced power output. After switching the
ignition off and on again the warning light
comes on.
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Instruments and Indicator/Warning Lights
36
Have the vehicle inspected without delay by your specialist garage.
WARNING
•
If you do not pay attention to the warning light coming on and the corre-
sponding descriptions and warning notes, this may result in injuries or major vehicle damage.•
Always adjust your speed to suit weather, road, region and traffic condi-
tions. The route indicated by the warning light must not tempt you to disre-gard the national regulations for road traffic.
Caution
As long as the warning light
lights up, one must take into account an increased
fuel consumption and in certain circumst
ances a power reduction of the engine.
Note
Further information about
diesel particle filter
⇒page 200.
Airbag system
Monitoring the airbag system The warning light
comes on for a few seconds when the ignition is switched on.
There is a fault in the system if the warn
ing light does not go out or flashes while
driving
⇒
. This also applies if the warning light does not come on when the igni-
tion is switched on. The following text will be displayed in the information display*:
Airbag fault!
The functionality of the airbag system is also monitored electronically, when one airbag has been switched off Front, side and head airbags or belt tensioner which have been switched off using the vehicle
system tester:
•
The warning light
lights up for 4 seconds after switching on the ignition and
then flashes again for 12 seconds afterwards in 2 second intervals. The following text will be displayed in the information display*:
Airbag/belt tensio
ner deactivated!
Front passenger airbags switched off
using the switch for front passenger
airbags* in storage compartment on the front passenger side:•
the warning light
comes on for 4 seconds after the ignition has been
switched on,•
switching off airbags is indicated in the middle of the dash panel by the lighting
up of the warning light
(airbag switched off)
⇒page 183.
WARNING
Have the airbag system ch
ecked immediately by a specialist garage if a fault
exists. Otherwise, there is a risk of th
e airbag not being activated in the event
of an accident.Control system for exhaust
The warning light
comes on after the ignition has been switched on.
If the warning light does not go out after starting the engine or it lights up when driving, a fault exists in an exhaust relevant component. The engine management system selects an emergency programme which enables you to drive to the nearest specialist garage by adopting a gentle style of driving.Electromechanical power steering
The warning light
comes on for a few seconds when the ignition is switched on.
If the warning light after switching on the ig
nition or when driving lights up contin-
uously, a fault exists in the el
ectromechanical power steering.
•
If the
yellow
warning light lights up
, this indicates a partial failure of the
power steering and the steering forces can be greater.
s2dk.1.book Page 36 Wednesday, April 8, 2009 12:23 PM
Instruments and Indicator/Warning Lights
37
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
•
If the
red
warning light lights up
, this indicates a complete failure of the
power steering and the steering assist has failed (significantly higher steering forces). Further information
⇒page 198.
WARNING
Contact your specialist garage if
the power steering is defective.
Note
•
If the yellow warning light
goes out after starting the engine again and a short
drive, it is not necessary to visit a specialist garage.•
If the battery has been disconnected
and reconnected, the yellow warning light
comes on after switching on the ignition. The warning light must go out after driving a short distance.Engine oil pressure
The warning light
comes on for a few seconds
3) when the ignition is switched
on. Stop the vehicle and switch the engine off
if the warning light does not go off
after the engine has started or flashes while driving. Check the oil level and top up with oil as necessary
⇒page 225.
An audible signal sounds three times as an additional warning signal.Do not continue your journey
if for some reason it is not possible under the
conditions prevailing to top up with oil.
Keep the engine switched off
and obtain
professional assistance from a specialist garage, otherwise it could lead to severe engine damage.
Do not drive any further
if the warning light flashes even if the oil is at the correct
level. Do not run the engine not at idling
speed either. Contact the nearest specialist
garage to obtain professional assistance. The following text will be displayed in the information display*:
Oil Pressure Engine off! Owner's manual
WARNING
•
If you must stop for technical reasons, then park the vehicle at a safe
distance from the traffic and switch off the engine and switch on the hazard warning light system.•
The red oil pressure light
is not an oil level indicator! One should
therefore check the oil level at regular intervals, preferably after every refu- eling stop.EPC fault light
(petrol engine)
The
(Electronic Power Control) warning light comes on for a few seconds when
the ignition is switched on. If the warning light
does not go out or lights up
after starting the engine, a fault
exists in the engine control. The engine management system selects an emergency programme which enables you to drive to the nearest specialist garage by adopting a gentle style of driving. The following text will be displayed in the information display*:
Engine fault Workshop! (Engine fault workshop!)
Glow plug system
(diesel engine)
The warning light
lights up for a
cold
engine when switching on the ignition
(pre-heat position)
2 ⇒page 118. Start the engine after the indicator light goes out.
The glow plug indicator light will come on
for about 1 second if the engine is at a
normal operating temperature
or if the outside temperature is above +5°C. This
means that you can start the engine
right away
.
3)The warning light
on vehicles fitted with information display does not come on after
switching the ignition on, but only if a fault exists or the engine oil level is too low.
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Instruments and Indicator/Warning Lights
38
There is a fault in the glow plug system if the
warning light
does not come on
at all
or lights up continuously
. Contact a specialist garage
as soon as possible to
obtain assistance. If the
warning light
begins
to flash
while driving, a fault exists in the engine
control. The engine management system
selects an emergency programme which
enables you to drive to the nearest specialist garage by adopting a gentle style of driving. The following text will be displayed in the information display*:
Engine fault Workshop! (Engine fault workshop!)
Coolant temperature/ Coolant quantity
The warning light
comes on for a few seconds
4) when the ignition is switched on.
The coolant temperature is too high or the
coolant level too low if the warning light
does not go out or flashes while driving. 3 peeps sound as an additional warning signal.In this case stop and switch the engine off
and check the coolant level; top up the
coolant as necessary. Do not continue your journey
if for some reason it is not possible under the
conditions prevailing to
top up with coolant.
Keep the engine switched off
and
obtain professional assistance from a specialist garage, otherwise it could lead to severe engine damage. If the coolant is within the specified range, the increased temperature may be caused by an operating problem at the coolant fan. Check the fuse for the coolant fan, replace it if necessary
⇒page 257, “Fuse assignment in engine compartment -
version 1” or
⇒page 259, “Fuse assignment in en
gine compartment - version 2”.
Do not continue driving
if the warning light does not go off although the fluid is at
the correct level and also the fuse of the fa
n is in proper order. Contact a specialist
garage to obtain assistance.
Please also refer to the additional instructions
⇒page 226, “Cooling system”.
The following text will be displayed in the information display*:
Check coolant! Owner's manual
WARNING
•
If you must stop for technical reasons, then park the vehicle at a safe
distance from the traffic and switch off the engine and switch on the hazard warning light system
⇒page 66.
•
Take care when opening the coolant expa
nsion bottle. If the engine is hot,
the cooling system is pressurized - risk of scalding! It is best to allow the engine to cool down before removing the cap.•
Do not touch the coolant fan The coolant fan may switch on automati-
cally even if the ignition is off.Traction control system (TCS)
The warning light
comes on for a few seconds when the ignition is switched on.
The warning light comes on when drivin
g when a control cy
cle is activated.
The warning light will come on and remains on if the TCS is switched off or if there is a fault in the system. The fact that the TCS system operates together with the ABS means that the TCS warning light will also come on if the ABS system is not operating properly. If the warning light
comes on immediately after starting the engine, the TCS
system can be switched off for technical
reasons. In this case, the TCS system can
be switched on again by switching the igniti
on on and off. If the warning light goes
out, the TCS system is fully functional again. Further information about the TCS
⇒page 195, “Traction control system (TCS)”.
4)The warning light
on vehicles fitted with information display does not come on after
switching the ignition on, but only if the coolant temperature is too high or the coolant levelis too low.
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Instruments and Indicator/Warning Lights
40
The warning light comes on for a few second
s after the ignition has been switched
on or when starting the engine. The warning light goes out after an automatic check sequence has been completed. A fault in the ABS The system is not functioning properly if the ABS warning light
does not go out
within a few seconds after switching on the ignition, does not light up at all or lights up while driving. The vehicle will only be
braked by the normal brake system. Visit
a specialist garage as quickly as possible
and adjust your style of driving appropri-
ately as you will not know how great the damage is. Further information about ABS
⇒page 197, “Antilock brake system (ABS)”.
A fault in the entire brake system If the ABS warning light
comes on together with the brake system warning light
(handbrake must be released), there is
a fault not only in the ABS but also in
another part of the brake system
⇒
.
WARNING
•
If the brake system warning light
comes on together with the ABS
warning light
stop the vehicle immediatel
y and check the brake fluid
level in the reservoir
⇒page 228, “Brake fluid”. If the fluid level has dropped
below the MIN marking, do not drive any further - risk of accident! Obtain professional assistance.•
Pay attention to the following instru
ctions before checking the brake
fluid level and opening the bonnet
⇒page 223, “Working in the engine
compartment”.•
If the brake fluid is at the correct level, the ABS control function has
failed. The rear wheels may then block very rapidly when braking. In certain circumstances, this can result in the rear end of the car breaking away - risk of skidding! Drive carefully to the ne
arest specialist garage and have the
fault rectified.
Bonnet
The warning light
comes on if the bonnet is unlocked. If the engine bonnet
unlocks while driving
, the warning light lights up and an audible signal sounds.
The warning light comes on even when the
ignition is switched off. The warning
light lights up for a maximum of 5 minutes. On vehicles with information display* this
warning light is replaced by a vehicle
symbol
⇒page 28, fig. 29
.
Seat belt warning light
The warning light
comes on after the ignition is switched on as a reminder for the
driver and front passenger to fasten the seat belt. The warning light only goes out if the driver or front passenger has fastened his seat belt. If the seat belt has not been fastened by the driver or front passenger, a permanent warning signal sounds at vehicle speeds
greater than 20 km/h and simultaneously
the warning light
flashes.
If the seat belt is not fastened by the dr
iver or front passenger during the next 90
seconds, the warning signal is deactivated and the warning light
lights up perma-
nently. Further information on the seat belts
⇒page 168, “Seat belts”.
Thickness of the brake pads*
The warning light
comes on for a few seconds
5) when the ignition is switched
on. If the warning light
comes on, contact a specialist garage immediately and have
the brake pads on
all of the wheels
inspected.
5)The warning light
on vehicles fitted with information display does not come on after
switching the ignition on, but only if a fault exists.
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Instruments and Indicator/Warning Lights
41
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
The following text will be displayed in the information display*:
Check brake pads!
Boot lid
The warning light
comes on when the ignition is switched on if the luggage
compartment door is open. If the boot li
d opens while driving, the warning light
lights up
and as a warning an audible signal sounds.
The warning light comes on even when the
ignition is switched off. The warning
light lights up for a maximum of 5 minutes. On vehicles with information display* th
is warning light is replaced by a vehicle
symbol
⇒page 28, fig. 29
.
Open door
The warning light
comes on if one or several door
s are opened or if the boot lid
is opened. If one of the doors opens while driving, the warning light lights
up
and an audible signal sounds. The warning light comes on even when the
ignition is switched off. The warning
light lights up for a maximum of 5 minutes. On vehicles with information display* th
is warning light is replaced by a vehicle
symbol
⇒page 28, fig. 29
.
Liquid in reservoir for windscreen washer system
The warning light
comes on when the ignition is switched on if there is insuffi-
cient fluid in the windshield wash
er system. Top up with liquid
⇒page 234.
The following text will be displayed in the information display*:
Add wash fluid!
Brake system
The warning light
flashes or comes on if the brake fluid level is too low, if there
is a fault in the ABS or if
the handbrake is applied.
If the warning light
flashes and an audible signal sounds three times (handbrake
is not applied),
stop
and check the brake fluid level
⇒
.
The following text will be displayed in the information display*:
Brake fluid Owner's manual
If there is a fault in the ABS which also influences the function of the brake system (e.g. distribution of brake pressure), the ABS warning light
comes on and at the
same time the brake system warning light starts flashing
. Be aware that not only
the ABS but also another part of th brake system is defective
⇒
.
An audible signal sounds three times as an additional warning signal.One should get used to high pedal forces, long braking distances and long free play of the brake pedal when driving to the next specialist garage. For further information on the brake system
⇒page 196, “Brakes”.
Handbrake applied The warning light
also comes on if the handbrake is applied. An audible warning
is also given if you drive the vehicle for at least 3 seconds at a speed of more than 6 km/h. The following text will be displayed in the information display*:
Release parking brake!
WARNING
•
Pay attention to the following instructions before checking the brake
fluid level and opening the bonnet
⇒page 223, “Working in the engine
compartment”.•
If the brake system warning light
does not go out a few seconds after
switching on the ignition or comes on when driving, stop immediately and check the brake fluid in the reservoir
⇒page 228, “Brake fluid”. If the fluid
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Instruments and Indicator/Warning Lights
42
level has dropped below the MIN marking, do not drive any further - risk of accident! Obtain professional assistance.Alternator
The warning light
comes on after the ignition has been switched on. It should go
out after the engine has started. If the warning light does not go out after the engine has started, or comes on when driving, drive to the nearest specialist garage. The vehicle battery will be discharged in this case so switch off all non-essential electrical components.
Caution
If the warning light
comes on when driving and in addition the warning light
(cooling system fault) also comes on in display, you must then stop the car imme- diately and switch the engine
off - risk of engine damage!
Engine oil level
Warning light
lights up
If the warning light
lights up, the quantity of oil in the engine is probably too low.
Check as soon as possible
the oil level or top up
⇒page 225 with engine oil.
A peep sounds as an additional warning signal.The following text will be displayed in the information display*:
Check oil level!
The warning light will go out if the bonnet
is left open for more than 30 seconds. If
no engine oil has been replenished, th
e warning light will come on again after
driving about 100 km.
Warning light
flashes
A fault on the engine oil level sensor is indicated additionally by an audible signal and the warning light coming on several times after the ignition has been switched on. In this case have the engine inspected without delay by a specialist garage.The following text will be displayed in the information display*:
Oil sensor Workshop!
Fuel reserve
The warning light
comes on, if the fuel level is still below 9 litres.
An audible signal sounds as an additional warning signal.The following text will be displayed in the information display*:
Please refuel! Range...kmNote
The Text in the information display* goes out only after refuelling and driving a short distance.
WARNING (continued)
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