
Contents3
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
ContentsLayout of this Owner's Manual
(explanations)
. . . . . . . . . . . . . . . . . . . . . . . . . .
Using the system
. . . . . . . . . . . . . . . . . . . . . .
Cockpit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The brief instruction
. . . . . . . . . . . . . . . . . . . . . . . . . .
Basic functions and important information . . . . .
Instruments and Indicator/Warning Lights
. . .
General view of the instrument cluster . . . . . . . . .
Engine revolutions counter . . . . . . . . . . . . . . . . . . . .
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant temperature gauge . . . . . . . . . . . . . . . . . . .
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter for distance driven . . . . . . . . . . . . . . . . . . .
Service Interval Display . . . . . . . . . . . . . . . . . . . . . . .
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multi-functional indicator (onboard computer)*
Information display* . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Check Control* . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unlocking and locking
. . . . . . . . . . . . . . . . . . . . . . . .
Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the battery of the radio remote control
Electronic immobiliser . . . . . . . . . . . . . . . . . . . . . . . .
Child safety lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Central locking system . . . . . . . . . . . . . . . . . . . . . . . .
Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unlocking and locking car . . . . . . . . . . . . . . . . . . . . .
Synchonisation of the remote control . . . . . . . . . . Anti-theft alarm system* . . . . . . . . . . . . . . . . . . . . . .
Power windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric sliding/tilting roof* . . . . . . . . . . . . . . . . . . . .
Lights and Visibility
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield wiper and wash system . . . . . . . . . . . .
Rear-view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic dimming exterior mirror* . . . . . . . . . . .
Seats and Stowage
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting front seats electrically* . . . . . . . . . . . . . .
Head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Middle rear head restraint . . . . . . . . . . . . . . . . . . . . .
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
luggage compartment . . . . . . . . . . . . . . . . . . . . . . . .
The roof rack* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cup holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette lighter*, power sockets . . . . . . . . . . . . . . .
Storage compartments . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioning system
. . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air outlet vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climatic (semi-automatic air conditioning system)
Climatronic* (automatic air conditioning) . . . . . .
Auxiliary heating (auxiliary heating and
ventilation)* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting-off and Driving
. . . . . . . . . . . . . . . . . . . . . . .
Setting steering wheel position . . . . . . . . . . . . . . . .
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Starting the engine . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear parking aid* . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front and rear parking aid* . . . . . . . . . . . . . . . . . . . .
Park Assist* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise control system (CCS)* . . . . . . . . . . . . . . . . . .
Automatic gearbox DSG*
. . . . . . . . . . . . . . . . . . . . .
Automatic gearbox DSG* . . . . . . . . . . . . . . . . . . . . .
Communication
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction steering wheel* . . . . . . . . . . . . . . . . .
Mobile phones and two-way radio systems . . . . .
Universal telephone preinstallation GSM II* . . . .
Phone voice phonebook* . . . . . . . . . . . . . . . . . . . . .
Universal telephone preinstallation GSM III* . . . .
Phone voice phonebook* . . . . . . . . . . . . . . . . . . . . .
Inputs AUX-IN* and MDI* . . . . . . . . . . . . . . . . . . . . .
CD changer* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passive Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic information . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Correct seated position . . . . . . . . . . . . . . . . . . . . . . .
Seat belts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Why seat belts? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The physical principle of a frontal collision . . . . .
Important safety information regarding the use of
seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How are seat belts correctly fastened? . . . . . . . . .
Airbag system
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description of the airbag system . . . . . . . . . . . . . . .
Front airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver's knee airbag* . . . . . . . . . . . . . . . . . . . . . . . . . 6
7
9
9
11
11
17
17
18
18
18
18
19
20
21
21
26
29
33
43
43
43
44
44
45
50
50
51
5252
54
57
60
60
68
70
73
75
76
77
78
78
79
82
83
84
86
91
92
93
94
95
104
104
105
106
109
112
117
117
118119
122
123
124
128
131
131
138
138
141
141
148
151
158
160
160
163
163
163
164
168
168
169
169
170
174
174
176
178
s2dk.1.book Page 3 Wednesday, April 8, 2009 12:23 PM

Cockpit
9
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
CockpitOverviewThis overview will help you to quickly familiarise yourself with the displays and the control elements.
Power windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Central locking switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air outlet vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lever for the multi-functional switch:− Turn signal light, headlight and parking light, headlight flasher − Cruise control system* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steering wheel: − with horn − with driver airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − with pushbuttons for radio, na
vigation system and mobile
phone* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instrument cluster: Instrum
ents and indicator lights . . . . . . . . . . .
Lever for the multi-functional switch:− Multi-functional indicator* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − Windshield wiper and wash system . . . . . . . . . . . . . . . . . . . . . . . Air outlet vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control dial for heating on the driver's seat* . . . . . . . . . . . . . . . . . . Switch for hazard warning lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control dial for heating on the front passenger seat* . . . . . . . . . . Depending on equipment fitted:− Radio* − Navigation* Storage compartment on the front passenger side . . . . . . . . . . . . Front passenger airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch for the front passenger airbag* (in front passenger storage compartment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric exterior mirror adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . Light switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bonnet release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control dial for the instrument lighting and control dial for the head- light beam range regulation* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage compartment on the driver's side . . . . . . . . . . . . . . . . . . . . Lever for adjusting the steering wheel . . . . . . . . . . . . . . . . . . . . . . . Driver's knee airbag* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depending on equipment fitted:− Switch for the ESP* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − Switch for TCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tyre inflation pressure-control system* . . . . . . . . . . . . . . . . . . . . . . Depending on equipment fitted:− Operating controls for Climatic . . . . . . . . . . . . . . . . . . . . . . . . . . . − Operating controls for Climatronic* . . . . . . . . . . . . . . . . . . . . . . . Depending on equipment fitted: − Gearshift lever (manual gearbox) . . . . . . . . . . . . . . . . . . . . . . . . . − Selector lever (automatic DSG)* . . . . . . . . . . . . . . . . . . . . . . . . . . Indicator light for a switched off front seat passenger airbag* . . Park Assist* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front and rear parking aid* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depending on equipment fitted: − Front ashtray* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − Storage compartment* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Note
•
Equipment which is marked * is only standard on certain vehicle model
versions or only suppliable as op
tional equipment for certain models.
A1
54
A2
46
A3
105
A4
67 128
A5
176 138
A6
17
A7
21 73
A8
105
A9
85
A10
66
A11
85
A12A13
96
A14
176
A15
183
A16
76
A17
60
A18
222
A19
65, 66
A20
97
A21
117
A22
178
A23
118
A24
193195
A25
199
A26
106109
A27
120131
A28
183
A29
124
A30
123
A31
9397
s2dk.1.book Page 9 Wednesday, April 8, 2009 12:23 PM

Instruments and Indicator/Warning Lights
31
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
After selecting the menu point
Back
you will reach one level higher in the menu.
Displays of the MFA Here you can switch off or on certain di
splays of the multi-functional indicator.
Comfort* You can set the following functions (depen
ding on the equipment installed on the
vehicle):
Lights and Visibility Here you can set how long the light should
stay on for the function Coming/Leaving
Home and the intensity of the footwell li
ghting. Furthermore you can here switch
on or off the function daylight drivin
g lights and convenience turn signal.
After selecting the menu point
Fa c t o r y s e t t i n g
the factory setting is established
again. Time Here you can set the time, the time format (12 or 24 hour indicator) and the time change summer/winter time. Winter tyres Here you can set at which speed a warning signal should sound. This function is used for e.g winter tyres with the pe
rmissible maximum speed less than the
maximum speed of the vehicle. When exceeding the speed, the following is displayed on the information display*:
Snow tyres max. speed ... km/h (Winter tyres maximum ... km/h)
Language Here you can set in which language the
warning and information texts should be
displayed. Measures Here you can set the units for temperat
ure, consumption and distance driven.
Assistant Here you can adjust the tones of the acoustic signals of the parking aid*. Second speed Here you can switch on the display of the second speed in mph or in km/h
2).
Tra v e l m o d e Here you can activate / deactivate the mode “tourist light”. This mode makes it possible to drive in countries with opposing traffic system, driving on the left/right,
Rain closing
On vehicles with rain sensor
you can switch on or off the
function for automatic closing of the windows and the sliding/tilting roof in case of
rain and locked vehicle. If it
is not raining and the function is set, the windows including the sliding/tilting roof are closed automatically after approx. 12 hours.
Door open
Here you can switch on or off the functions for opening a single door and
automatic closing.
ATA con fi rm
Here you can set if a signal
tone should sound addition-
ally when activating or deactivating the anti-theft alarm system .
Window op.
Here you can set the convenience mode only for the driver window or for all the windows.
Mirror down
Here you can switch on or off the function for mirror lowering on the front passenger side when engaging the reverse gear.
Mirror adjust.
Here you can switch on or off the function for left and right exterior mirror adjustment simultaneously.
Fa cto r y s e tt ing
After selecting this menu the convenience setting is reset to factory setting. The following is displayed in the information display: Fa cto r y se tt ing fo r
convenience is set
2)Valid for countries where the values are indicated in British measuring units.
s2dk.1.book Page 31 Wednesday, April 8, 2009 12:23 PM

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.
s2dk.1.book Page 35 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.
s2dk.1.book Page 37 Wednesday, April 8, 2009 12:23 PM

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.
s2dk.1.book Page 38 Wednesday, April 8, 2009 12:23 PM

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
s2dk.1.book Page 41 Wednesday, April 8, 2009 12:23 PM

Lights and Visibility
63
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
•
You can change the illumination period
for the Coming Home Function by
means of the information display*.Leaving Home FunctionThis function makes it possible to switch on the lights when approaching the vehicle. Switching on Leaving Home Function – Unlock the vehicle with the radio remote control - the lights come on.Depending on equipment fitted the function Leaving Home switches on the following lights:•
Parking lights,
•
Low beam,
•
Entry lighting in the exterior mirrors,
•
Licence plate light.
Leaving Home Function The function Leaving Home is controlled wi
th the light sensor in the mount of the
interior rear mirror. If the light intensity is higher than the set value of the light sensor, the Leaving Home Function is not
switched on after unlocking the vehicle
with the radio remote control. After unlocking the vehicle with the radio remote control, the lights come on for 30 seconds. The Leaving Home Function is also switched off after the ignition is switched on and after locking the vehicle. If no door is opened within
30 seconds, the lights go out and the vehicle is locked
automatically.
Note
•
If the Leaving Home Function is switch
ed on constantly, the battery will be
heavily discharged particular
ly in short-haul traffic.
•
The switching on of the described lights
should only be und
ertaken in accord-
ance with the legal requirements.•
You can change the illumination period
for the Leaving Home Function by
means of the information display*.Adaptive headlights (AHL)*Switch on Adaptive headlights (AHL)* – Turn the light switch
⇒
page 61, fig. 56
into position
.
The outer illumination switches on if:•
the light sensor recognizes the low light intensity,
•
no reverse gear is engaged,
•
the operation “tourist light” is not switched on.
The light sensor switches on the full ou
ter illumination at low light intensity.
System AHL* makes it possible to change
the length and width of illumination of
the headlight. The length and width of i
llumination changes automatically in rela-
tion to the vehicle speed and the use of the windscreen wiper. System AHL* operates in the following modes. Mode out of town The mode “out of town” is a basic mode. The dispersion of the cone of light in front of the vehicle is similar to the low beam. The mode is active if none of the following modes are active. Mode rain In the mode “rain” the dispersion of the cone of light in front of the vehicle is wider and the width of illumination is shorter,
so that during bad weather (rain) the
dazzling of the oncoming drivers can be reduced. The mode is activated at speeds of 15 - 70 km/h and if the windscreen wi
pers continuously operate for a period of
time longer than 2 minutes. The mode
is deactivated when dropping below or
exceeding the set speed limit or if the windscreen wipers have been switched off for a period of time longer than 8 minutes.
s2dk.1.book Page 63 Wednesday, April 8, 2009 12:23 PM