
87
Instruments, controls
p
Alternator
Control indicator lights up and/or flashes
red.
It illuminates when the ignition is switched
on and goes out shortly after the engine
starts.
Flashes during or after engine start
Battery voltage too lo w. Have electrical
system tested by a workshop.
Illuminates when the engine is runningStop and switch engine off. Battery will not
be charged. Engine cooling may be
interrupted. Effect of brake servo unit may
stop in vehicles with diesel engines.
Contact a workshop for assistance. p
Electro-hydraulic power assisted steering
Control indicator lights up yellow.
Fault in electro-hydr aulic power assisted
steering system. The power assisted
steering may have failed. The vehicle can
be steered but considerably more force is
required. Contact a workshop for
assistance.
O
Turn signal lamps
Control indicator flashes green.
The control indicator flashes if a turn signal
or the hazard warning flashers are
activated.
Rapid flashes: A turn signal lamp or the
related fuse has failed, failure of turn signal
lamp on the trailer 3.
Change bulbs 3212. Fuses 3 209.
Y
Fuel level
Control indicator lights up and/or flashes
yellow
Lamps
Level in fuel tank too low.
Flashes
Fuel level is used up, fuel immediately.
Never let the tank run dry!
Erratic fuel supply can cause catalytic
converter to overheat 3155.
Diesel engines: Bleed the fuel system after
running empty 3190.
C
Main beam
Control indicator lights up blue.
It is illuminated when main beam is on and
during headlamp flash 311, 3109.
W
Coolant temperature
Stop, switch off engine.
Check coolant level immediately 3244.
If there is sufficient coolant, consult a
workshop. Caution
Coolant temperature too high.
Back to overview

92 Instruments, controls
Picture no: 18401s.tif
Speed warning
With the "Personalised key" function, P6,
3 39, 341, a particular top speed can be
assigned to each vehicle key. When this
speed is exceeded, a warning buzzer
sounds.
This function is programmed in the
kilometre display:
z ignition off, key in ignition switch,
z pull turn signal stalk and wiper stalk
simultaneously to the steering wheel
until you hear a confirmation signal
(approx. 3 seconds),
z the kilometre display shows P1,
z push down the turn signal stalk (left) until
P6 appears,
Picture no: 18402s.tif
zpush the wiper stalk (right) up until the
desired speed appears in increments
of 10,
z to reduce the speed or switch off ( OFF),
push the wiper stalk down,
z pull turn signal st alk and wiper stalk
simultaneously to the steering wheel
until you hear a confirmation signal
(approx. 3 seconds).
This function can be programmed
differently for each vehicle key.
Personalised key 339, cruise control 3160.
Picture no: 18406s.tif
Trip computer display in
instrument panel
3
The trip computer provides information on
driving data, which is continually recorded
and evaluated electronically.
After switching on the ignition, the last
function displayed appears. To select a
different function, rotate the rotary switch
on the wiper stalk briefly up i or down
h and then let go. The functions will be
called one after the other.
To reset a value or confirm a warning
message, press the button 0 on the wiper
stalk.
Back to overview

108 LightingLighting
Picture no: 18197s.tif
Exterior lightsTurn light switch:
In positions 8 and 9, the tail lamps and
number plate lamps are also on.
Control indicator 8388.
If the ignition is switched off when main
beam or dipped beam is on, the parking
lamps come on.
The parking lamps go off when the ignition
key is removed. Versions with daytime running lights 3
:
Parking lamps are on when the ignition is
switched on and the lig ht switch is set to 7
or A 3. Dipped beam is on when the engine
is running.
The daytime running lig hts switch off when
the ignition is switched off.
Follow the regulations of the country in
which you are driving when using daytime
running lights and fog lamps 3.
Driving abroad 3117.
Exterior lights ....................................... 108
Main beam, headlamp flash .............. 109
Automatic dipped beam
activation A 3................................. 109
Turn signal lamps ................................ 109
Fog lamps > 3.................................... 110
Fog tail lamp r................................... 110
Reversing lamps................................... 110
Hazard warning lamps ....................... 111
Headlamp range adjustment ? 3..... 111
Adaptive Forward Lighting 3 (AFL) .. 112
Lead-me lighting 3............................. 113
Switching on the exterior lighting with the remote control 3......................... 113
Parking lamps ...................................... 114
Instrument illumination, Information display illumination ........................... 114
Courtesy lamp...................................... 114
Battery discharge protection .............. 116
Misted light covers............................... 116
Headlamps when driving abroad ...... 117 7
=Off
8 = Parking lamps
9 = Dipped or main beam
Back to overview

109
Lighting
Picture no: 18165s.tif
Main beam, headlamp flash Push stalk forward to switch from dipped
beam to main beam.
To switch to dipped beam, push stalk
forward again or pull towards steering
wheel.
To operate the headlamp flash, pull stalk
towards steering wheel. The main beam is
switched on for as long as the stalk is held
in this position.
Picture no: 18198s.tif
Automatic dipped beam
activation A
3
Light switch set to A: when the engine is
running, dipped beam switches on when
external light conditions are poor.
The exterior lights switch off when the
ignition is switched off.
For reasons of safety, the light switch
should always remain in the A position.
If visibility is poor (in foggy conditions, for
example) turn light switch to 9.
Picture no: 18167s.tif
Turn signal lamps Push stalk up or down to activate:
After operation, the turn signal stalk
returns to its starting position.
If the stalk is moved past the resistance
point, the turn signal lamp remains on.
When the steering wheel moves back
toward the straight-ahead position, the
turn signal lamp is automatically
deactivated.
Move the stalk to the resistance point and
hold for the turn signals to flash longer.
Switch the turn signal off manually by
moving the stalk slightly. Lever upwards = Right turn signal
Lever downwards = Left turn signal
Back to overview

110 LightingShort turn signal 3
Push stalk until you feel resistance and
release. The turn signal flashes three times,
e.g. for changing lanes. This function can
be activated or deactivated depending on
the key that is used, see "personalised key",
P3 339, 341.
Acoustic turn signal 3
The volume of the acoustic turn signal can
be adjusted. This function can be
programmed depending on the key used,
see "Personalised key", P7 339, 341.
Picture no: 18199s.tif
Fog lamps
> 3
The fog lamps can only be switched on
when both the ignition and lights are on.
Operated with the > button.
Fog tail lamp
r
The fog tail lamp can only be switched on
both the ignition and dipped beam/parking
lamps are on.
Operated with the r button.
The vehicle fog tail lamp are deactivated
when towing.
Reversing lamps The reversing lamps come on when the
ignition is on and reverse gear is engaged.
Back to overview

112 Lighting
Picture no: 17793j.tif
Adaptive Forward Lighting
3
(AFL) ensures better illumination of
zbends (curve lighting),
z crossings and narrow bends
(cornering light).
Curve lighting (1)
The light beam pivots based on
steering wheel position and speed
(from approx. 10 km/h).
The headlamps shine at an angle of up to
15 to the right or left of the direction of
travel.
Picture no:
Cornering light (2)
An additional light is switched on
depending on the stee ring wheel position
(from rotation of approx. 90), turn signal
position and speed (up to approx. 40 km/h).
The light is thrown approx. 90 to the
left or right of the car, to a distance of
approx. 30 metres.
Reversing function
If the lights are on, reverse gear is
engaged, and the turn signal is activated,
the cornering light on the appropriate side
is switched on. The cornering light stays on
for 15 seconds once the turn signal has
been switched off.
Picture no: 18249s.tif
Control indicator fo r adaptive driving
lamps
B
Illuminated: Fault in system. The system is
not ready for operation.
Contact a workshop for assistance.
If control indicator
B flashes for
approx. 4 seconds after the ignition is
switched on, this is a reminder that the
headlamps have been set to symmetrical
dipped beam; see "Headlamps when
driving abroad" 3117.
Back to overview

113
Lighting
Picture no: 18302s.tif
Lead-me lighting
3
The dipped beam remains switched on for
approx. 30 seconds once you have left the
vehicle and closed the driver’s door.
To activate
1. Switch off ignition.
2. Remove ignition key.
3. Open driver’s door.
4. Pull turn signal stalk toward steering wheel.
5. Close driver’s door.
If the driver’s door is left open, the lamps
will go out after two minutes.
The light is switched off immediately by
inserting the key into the ignition or pulling
the turn signal stalk towards the steering
wheel again.
Picture no: 18420s.tif
Switching on the exterior lighting
with the remote control
3
The lead-me-to-the-car light function
switches the dipped beam on for
approx. 30 seconds.
Program function
This function can be activated and
deactivated depending on the key used,
see "Personalised key", P1 339 341. To activate
Press button
q on the remote control twice
when the vehicle is locked.
Country-specific application 3: To switch
on the Lead-me-to-the-car light function,
press button q on the remote control once
the vehicle is locked.
Switching on the ignition or pressing
button p on the remote control will
deactivate the Lead-me-to-the-car light
function early.
Back to overview

114 Lighting
Picture no: 18370s.tif
Parking lamps The front parking lamp and tail lamp of
one side of the vehicle can be activated
when parking:
1. Set light switch to 7 or A 3,
2. Ignition off,
3. Move turn signal stalk all the way up (right parking lamp) or down (left
parking lamp).
Confirmed by a signal and the
corresponding turn signal control indicator.
To switch it off, swit ch on the ignition or
move the turn signal stalk in the opposite
direction.
Picture no: 18201s.tif
Instrument illumination
,
Information display illumination
Lights come on when ignition is switched
on.
Adjustable brightness when exterior
lighting is switched on:
Hold down the button until the required
brightness is achieved.
Display mode 33100.
Courtesy lamp Automatic interior light
Comes on automatically when the vehicle is
unlocked with the remote control, when a
door is opened or when the key is removed
from the ignition switch after the ignition is
switched off.
Goes off automatically after a delay when
the doors are closed or immediately when
the ignition is switched on or the doors are
locked.
Brighter = Push button +
Darker = Push button -
Back to overview