Instruments and Indicator/Warning Lights
26
Warning lights
Overview
The warning lights indicate certain functions or faults.
Fig. 21 Instrument cluster with warning lights
Turn signal lights (to the left)⇒ page 27
Turn signal lights (to the right)⇒page 27
Fog lights⇒page 28
Main beam⇒page 28
Low beam⇒page 28
Rear fog light⇒page 28
Speed regulating system⇒page 28
Failure of the light bulbs⇒page 28
Adaptive headlights*⇒page 28
Diesel particle filter* (diesel engine)⇒page 28
Airbag system⇒page 29
NKO B6 20.book Page 26 Wednesday, March 26, 2008 3:15 PM
Instruments and Indicator/Warning Lights
28
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 60.
Fog lights
The warning light comes on when the fog lights are operating ⇒page 57.
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 60.
Low beam
The warning light comes on when low beam is selected ⇒page 53.
Rear fog light
The warning light comes on when the rear fog lights are operating ⇒ page 58.
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 56.
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 ou t 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 information display* appears Diesel-
particle Owner's manual . Afterwards the engine contro l 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.
NKO B6 20.book Page 28 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility53
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
Lights and Visibility
Lights
Switching lights on and off
Switching on side lights
– Turn the light switch into position
.
Switching on the low beam and main beam
– Switch on the ignition.
– Turn the light switch into position
.
– Press the main beam lever forward in order to switch on the main beam ⇒page 60, fig. 47 .
Switching off lights (except daylight driving lights)
– Turn the light switch into position.
When the parking lights are switched on, the symbol next to the light switch is
illuminated. Low beam comes on only if the ignition is
switched on. After switching off the igni-
tion, the low beam is switched off automati cally and only the side lights come on.
On models fitted with right-hand steering the position of certain switches differs
from that shown in ⇒fig. 41 . The symbols which mark the switch positions are
identical, however.
WARNING
Never drive with side lights on - risk of accident! The side lights are not
bright enough to light up the road suffic iently in front of you or to be seen by
other oncoming traffic. In this case, always switch on the low beam when it
is dark or if visibility is poor.
Note
•An audible warning will sound if you wi thdraw the ignition key and open the
driver's door when the vehicle lights are still on.
•The acoustic warning signal is switched off over the door contact when the
driver's door is closed (ignition off). The vehicle can be parked with the side lights
on.
•If the car is parked for a lengthy period , we recommend switching off all lights,
or leaving only the parking lights switched on.
•The switching on of the described lights should only be undertaken in accord-
ance with the legal requirements.
•If a fault occurs in the light switch , the low beam comes on automatically
•In the event of cool or humid weather co nditions, the headlights can be misted
up from inside.
−The temperature difference between interior and external area of the head-
light lenses is decisive.
− When the driving lights are switched on , the light outlet surfaces are free
from mist after a short period. The headlight lenses can possibly mist up at the
border areas.
Fig. 41 Dash panel: Light
switch
NKO B6 20.book Page 53 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility
54
− It also concerns reverse light and turn signal lights.
− This mist has no influence on th e life of the lighting system.
Daylight driving lights*
In some countries, the national legislation requires that the vehicles are
equipped with the function daylight driving lights.
Switching on daylight driving lights
– Switch on the ignition without turning the light switch out of the posi- tion 0.
Deactivate function daylight driving lights
– Pull the turn signal light lever towards the steering wheel up to 3 seconds after switching on the ignition and at the same time, slide it to
the bottom and hold it in this position for at least 3 seconds.
Activate function daylight driving lights
– Pull the turn signal light lever towards the steering wheel up to 3 seconds after switching on the ignition and at the same time, slide it to
the top and hold it in this position for at least 3 seconds.
When the daylight driving lights are swit ched on, also the low beam with reduced
brightness shines together with the side lights (approx. 92 % of the performance).
This contributes to a longer life of the lamps for the low beam.
When the daylight driving lights are switch ed on, the illumination of the instrument
cluster is switched off, however, it is switched on in the position
when it is dark
and the low beam shines with full br ightness (100 % of the performance).
On vehicles fitted with an information disp lay*, you can activate or deactivate in the
menu the function dayl ight driving lights:
„SETUP (Settings)
„Lights & Vision (Lights & Vision)
Automatic light control*
Switching on automatic light control*
– Turn the light switch ⇒fig. 42 into position
.
Switching off automatic light control*
– Turn the light switch to the position 0,
or .
If the light switch is in the position , the symbol illuminates when the ignition
is switched on next to the light switch. If th e low beam is activated with the
light sensor, the symbol illuminates additionally next to the light switch.
If the light comes on automatically, the side lights and low beam as well as licence
plate light light up at the same time.
If the automatic light control* is switched on, the light is regulated with the light
sensor in the rear mirror holder. If the li ght intensity drops below the set value, e.g
when driving during the day into a tunnel, the low beam and the side lights as well
as the licence plate light co me on automatically. If the light intensity increases
again, the lights swit ch off automatically.
Motorway lights
If the automatic light control* has been sw itched on and the vehicle speed is over
140 km/h for at least 10 seconds, the side lights and low beam are switched on
automatically.
Fig. 42 Dash panel: Light
switch
NKO B6 20.book Page 54 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility55
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
If the vehicle speed is below 65 km/h for at least 2 minutes, the lights are switched
off.
Rain lights
If you move the windshield
wiper lever in the position slow wipe for more than 5
seconds, the side lights and low beam ar e automatically switched on. The light is
switched off when the windsh ield wiper lever is no longer than 4 minutes in the
position for slow or intermittent wipe.
If you switch on the windscreen wipe in the operation rain sensor* for longer than
10 seconds or in the operation permanent wipe (position 2 or 3) ⇒page 65
switching on for longer than 15 seconds, th e side lights and low beam are switched
on automatically. The light switches off if the windscreen wipe is in operation rain
sensor* for more than 4 minutes or is no t switched on in the operation permanent
wipe.
WARNING
The automatic light control only operates as a support. The driver is not
released from his responsibility to inspect the light and if necessary to switch
on the light depending on the light conditions. The light sensor cannot
detect for example rain or snow. For these conditions we recommend to
switch on the low beam
!
Note
•Do not affix any stickers in front of the light sensor, so that you do not impair its
function or put it out of operation.
•The same principles as fo r using the automatic light control also apply to the
light which is switched on manually ⇒page 53.
Coming Home Function
The function makes it possible to switch on the lights in the darkness for
a short time after leaving the vehicle. Switching on Coming Home Function
– The light switch is in the position automatic driving lamp control
and the low beam illuminates.
– Switch off the ignition.
– After opening the driver's door , the function Coming Home is
switched on.
– Close all the doors and the boot lid and lock the vehicle. After a short time, switch all lights off.
Depending on equipment fitted the function Coming Home switches on the
following lights:
•Parking lights,
•Low beam,
•Entry lighting in the exterior mirrors,
•Licence plate light.
Coming Home Function
The lights go out 10 seconds after cl osing all the doors and the boot lid.
If a door or the boot lid remains open, th e lights go out 60 seconds after switching
off the ignition.
On vehicles fitted with automatic driving la mp control you can also switch the light
switch in the position
. The function Coming Home is controlled with 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 Coming Home Function is not switched on after
switching off the ignition.
Note
•If the Coming Home Functi on is switched on constantly, the battery will be
heavily discharged particularly in short-haul traffic.
•The switching on of the described lights should only be undertaken in accord-
ance with the legal requirements.
NKO B6 20.book Page 55 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility
56
•You can change the illumination period for the Coming Home Function by
means of the information display*.
Leaving Home Function
This 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 Func tion is not switched on after unlocking the vehicle
with the radio remote control.
After unlocking the vehicle with the radio re mote control, the lights come on for 30
seconds. The Leaving Home Function is al so 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 switched on constantly, the battery will be
heavily discharged particularly in short-haul traffic.
•The switching on of the described lights should only be undertaken 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 head lights (AHL)*
Switch on Adaptive headlights (AHL)*
– Turn the light switch ⇒page 54, fig. 42 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 illumination 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. Th e 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 re duced. 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.
NKO B6 20.book Page 56 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility57
Using the systemSafetyDriving TipsGeneral MaintenanceBreakdown assistanceTechnical Data
Mode city
In the mode “city”, the dispersion of the cone
of light in front of the vehicle is wider
and the width of illumination is shorter. It has as an aim to illuminate the adjacent
footpaths, crossings, pedestrian crossings etc. The mode is active at speeds of 15 -
50 km/h.
Mode motorway
In the mode “motorway” the dispersion of the cone of light is so widespread, that it
illuminates also the left (and right)
6) lane of the motorway, so that the driver can
react in time to an obstacle or any other danger. The mode is activated stepwise as
of a speed of 90 km/h. It gains its greatest effectiveness at speeds above 120 km/h.
Tourist light
When driving in countries with opposing traffic system, driving on the left/right, it is
possible to switch on the mode “tourist light” electronically. This mode makes it
possible to drive in the particular count ry without dazzling the oncoming vehicles.
When the mode “tourist light” is active, the above mentioned modes and the side
to side swivel of the headlight is deactivated.
The mode “tourist light” is activated in the information display* in the menu
⇒ page 19:
„SETUP (Settings)
„Automatic light (Automat. Lights)
Note
•The functions of the side to side swivel of the headlight* (activation at a speed
of 10 km/h), fog lights with the function “corner” ⇒page 57 and the function
dynamic headlight beam range* add to the System AHL*.
•The System AHL* is solely delivered with Bi-Xenon gas discharge bulbs for low
beam and main beam lights.
Fog lights
Switching on the fog lights
– First of all turn the light switch into position
or ⇒ fig. 43 .
– Pull the light switch into position .
The rear fog light warning light ⇒ page 26 lights up in the instrument cluster
when the fog light is switched off.
Fog lights with the function “Corner”*
The fog lights with the function “Corner” are designed for a better
illumination of all areas near the vehicle when corning, parking etc.
The fog lights with the function “Corner” are regulated according to the steering
angle or after switching on the turn signal light 7) in the following circumstances:
•the vehicle is stationary and the engine is running or it moves with a speed of
maximum 40 km/h;
•the daylight driving lights are not switched on;
6)It is valid for vehicles which are designed for driving on the left.
7)If both switch on versions are conflicting, for example if the steering wheel is turned to the
left and the right turn signal light is switched on, the turn signal light has the higher priority.
Fig. 43 Dash panel: Light
switch
A1
NKO B6 20.book Page 57 Wednesday, March 26, 2008 3:15 PM
Lights and Visibility
58
•the low beam is switched on or the light switch is in the position and the
intensity of the ambient light causes the low beam to be switched on;
•the fog lights are not switched on;
•no reverse gear is engaged.
Note
If you engage the reverse gear during the active function “Corner”, both fog lights
illuminate.
Rear fog light
Switching on the rear fog light
– First of all turn the light switch into position
or ⇒ page 57,
fig. 43 .
– Pull the switch into position .
The rear fog light warning light ⇒ page 26 lights up in the instrument cluster
when the fog light is switched off.
Only the rear fog light of the trailer ligh ts up automatically when you are towing a
trailer using a factory-fitted towing device which is fitted with the rear fog light.
The rear fog light is located in the rear light array on the driver's side.
Caution
The rear fog light should only be switched on if visibility is particularly poor
(conform with any varying legal provisions) to avoid dazzling vehicles behind your
vehicle.
Instrument lighting
You can adjust the brightness of the instrument lighting.
Instrument lighting
– Switch on the light.
– Turn the control dial ⇒fig. 44 to the desired intensity of the instru-
ment lighting
8).
A2
8)For the information display* ⇒page 19 the intensity of the lighting is automatically set. The
setting using the control dial ⇒fig. 44 is only possible when driving in the dark.
Fig. 44 Dash panel: Instru-
ment lighting
NKO B6 20.book Page 58 Wednesday, March 26, 2008 3:15 PM