
The display in the instrument cluster is acti-
vated when you:
R open the driver's door
R turn the key to position 2in the ignition lock
R press the 0045reset button
R switch on the lights
The display switches off automatically after
approximately 30 seconds if:
R the key is in position 0in the ignition lock.
R the vehicle lighting is not switched on. Instrument lighting
When the lights are switched on, you can
adjust the brightness of the instrument clus-
ter lighting using the 0074and 0075buttons.
X To brighten: press the0074button.
X To dim: press the 0075button.
i Vehicles with automatic headlamp mode:
the instrument lighting also adapts to auto-
matic headlamp mode. Tachometer
! Do not drive in the overrevving range, as
this could damage the engine. H
Environmental note
Avoid driving at high engine speeds. This
unnecessarily increases the fuel consumption of your vehicle and harms the environment asa result of increased emissions.
The red band in the tachometer indicates the engine's overrevving range.
To protect the engine, the fuel supply is inter-
rupted when the red band is reached. Outside temperature
You should pay special attention to road con-
ditions when temperatures are around the
freezing point. On vehicles without steering wheel buttons
(Y page 182) and on vehicles with steering
wheel buttons (Y page 187), the outside tem-
perature display is in the display.
Changes in the outside temperature are dis-
played after a short delay. Speedometer
The speed can also be shown in the display.
You can find information on the digital speed-
ometer for vehicles without steering wheel
buttons under (Y page 182) and for vehicles
with steering wheel buttons under
(Y page 187).
i In some countries, a warning sounds
when the vehicle reaches the maximum
speed limit, e.g. at 75 mph (120 km/h). Trip odometer
X To reset: make sure that the display is
showing the trip odometer if you have a
vehicle with steering wheel buttons
(Y page 187).
X Press and hold the 0045reset button until the
trip odometer is reset to 0.0 0.0. Fuel gauge
0043
Fuel gage on vehicles without steering
wheel buttons
0044 Fuel gage on vehicles with steering wheel
buttons Instrument cluster
181On-board computer and displays Z

0087
Fuel filler flap location indicator 007F: the
fuel filler flap is on the left-hand side. Fuel filler flap location indicator 0080: the fuel
filler flap is on the right-hand side
0085 Reserve fuel warning lamp (Y page 224)DEF gauge
Vehicles without steering wheel but-
tons If the supply of DEF is less than 1.5 US gal
(5.5 l), the 00E2indicator lamp lights up and
the 0099 dEF Chk
dEF Chk display message appears.
If the supply of DEF falls below the reserve
range of 0.8 US gal (3.0 l), the 00E2indicator
lamp lights up and the 0099StArtS RExx StArtS RExx
display message appears. In the display, xx
xx
corresponds to the number of possible
remaining engine starts (16 16to0
0).
When the number of remaining engine starts
is 0
0 the engine management prevents the
vehicle being driven at a speed exceeding
5 mph (8 km/h). The multifunction display
shows the StArtS IdLE
StArtS IdLE message and you
hear a warning tone sequence.
Further information on DEF consumption can be found in the "Service products and filling
capacity" section (Y page 320).
Vehicles with steering wheel buttons If the supply of DEF is less than 1.5 US gal
(5.5 l), the Check Diesel Exhaust Fluid
Check Diesel Exhaust Fluid
See
See Operator's
Operator's Manual
Manualmessage is shown
in the display.
If the DEF supply falls below the reserve range
of 0.8 US ga l(3.0 l), the 00E2XX starts XX starts
remaining
remaining message is displayed. In the dis-
play, XX
XXcorresponds to the number of possi-
ble remaining engine starts (16 16to0
0).
When the number of remaining engine starts
is 0
0 the engine management prevents the
vehicle from being driven at a speed exceed- ing 5 mph (8 km/h). The multifunction display
shows the Idle Mode
Idle Mode message and you hear
a warning tone sequence. Further information on DEF consumption can
be found in the "Service products and filling
capacity" section (Y page 320). On-board computer (vehicles without
steering wheel buttons)
Operating the on-board computer
General notes The on-board computer is activated as soon
as you turn the key to position 1in the ignition
lock.
The on-board computer shows vehicle infor-
mation and settings in the display.
You can control the display and the settings in the on-board computer using the adjustment
buttons on the instrument cluster.
Standard display 0043
Odometer
0044 Trip odometer
0087 Clock
0085 Outside temperature or digital speedom-
eter
0083 Fuel gage (Y page 181)
0084 Selector lever position or current shift
range with automatic transmission
(Ypage 142)
X To call up the standard display: turn the
key to position 2in the ignition lock.
X Press the 0079menu button for longer than
1 second.
The information shown in the display
changes from the outside temperature to
the digital speedometer. 182
On-board computer (vehicles without steering wheel buttons)On-board computer and displays

Menus in the on-board computer
Overview If you wish to exit a menu and go to the stand-
ard display:
X Press the 0079menu button for longer than
1 second.
or
X Do not press any button for 10 seconds.
The display accepts the changed settings.
Using the 0074,0075,0079or0045 adjustment but-
tons, you can select the following functions:
R Calling up the service due date
(Y page 258)
R Checking the oil level (Y page 250)
R Checking the DEF supply (Y page 182)
R Preselecting/setting the auxiliary heating
switch-on time (Y page 124)
R Tire pressure monitor (Y page 291)
R Setting the time (Y page 183)
R Activating/deactivating Highbeam Assist
(Y page 192)
R Setting the daytime running lamps
(Y page 92)
Setting the time X
Turn the key to position 2in the ignition
lock.
X Press the 0079menu button repeatedly until
the hours figure flashes.
X Press the 0074or0075 button to set the hour.
X Press the 0045reset button.
The minute display flashes.
X Press the 0074or0075 button to set the minute.
i If you keep the
0074or0075 button pressed,
the value will change continuously. Activating/deactivating Highbeam
Assist X
Turn the key to position 2in the ignition
lock.
X Press the 0079menu button repeatedly until
the 00CE indicator lamp flashes and the on on
or OFF
OFF message appears in the display.
X Use the 0074or0075 button to switch High-
beam Assist on/off.
Switching the daytime running lamps
on/off If you switch the daytime running lamps
on on,
the daytime running lamps will automatically
light up when the engine is running.
For safety reasons, it is only possible to
change this setting when the vehicle is sta-
tionary. The factory setting is on onin countries
in which daytime running lamp mode or day-
time running lamps are mandatory.
X Turn the key to position 2in the ignition
lock.
X Press the 0079menu button repeatedly until
the 0058 indicator lamp flashes and the on on
or OFF
OFF message appears in the display.
X Press the 0074or0075 button to activate or
deactivate the daytime running lamps.
i USA only:
If you turn the light switch to 0060or0058,
the corresponding light switches on. If you
turn the light switch to 0058, the daytime
running lamps remain switched on.
Canada only:
If you turn the light switch to 0058, the low-
beam headlamps switch on. If you turn the light switch to 0060or0058, the daytime
running lamps remain switched on. On-board computer (vehicles without steering wheel buttons)
183On-board computer and displays Z

Using the steering wheel buttons
X Switch on the audio equipment (see the
separate operating instructions).
X Press the 0080or007F button repeatedly
until the station selected appears in the
display.
X Press the 0063or0064 button to select the
desired station.
i You can only store new stations on the
audio system itself. See the separate oper- ating instructions.
You can also operate the audio equipment
in the same way as usual.
Operating the CD player 0043
Current CD (with CD changer)
0044 Current track
Using the steering wheel buttons X Switch on the audio equipment and select
the CD player (see the separate operating
instructions).
X Press the 0080or007F button repeatedly
until the settings for the current CD appear
in the display.
X Press the 0063or0064 button to select a
CD track. Settings menu
Introduction In the
Settings menu, the following options
and submenus are available:
R Resetting all settings
R Resetting the functions of a submenu R
Instrument cluster (Y page 189)
- Units and language settings
- Status bar settings
R Time(Y page 191)
R Lighting (Y page 192)
- Switching surround lighting on/off
- Switching the daytime running lamps
on/off
- Setting the exterior lighting delayed
switch-off
- Activating/deactivating Highbeam
Assist
R Vehicle
- Setting the radio station selection
- Setting the windshield wiper sensitivity
R Stationary heating or auxiliary heating
(Y page 124)
R Convenience (Y page 194)
- Key-dependent settings
i For safety reasons, it is not possible to
reset all of the functions while the vehicle is
in motion. For example, in the Lighting
Lighting
submenu, the Daytime runn. lamps Daytime runn. lamps
function remains unchanged.
Resetting all settings Settings menu
When the Settings
Settings message is displayed,
you can reset all functions of the submenu to the factory settings. 188
On-board computer (vehicles with steering wheel buttons)On-board computer and displays

Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press and hold the 0045reset button for
approximately 3 seconds.
You will see a message in the display
prompting you to press the 0045reset button
again to confirm.
X Press the 0045reset button again.
The functions in all submenus are reset to
the factory settings.
i If you want to retain the settings, do not
press the 0045reset button a second time.
The Settings
Settings menu appears again after
approximately 5 seconds.
Resetting the functions of a submenu You can individually reset the functions of
each submenu to the factory settings.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select a
submenu.
X Press and hold the 0045reset button for
approximately 3 seconds.
You will see a message in the display
prompting you to press the 0045reset button
again to confirm.
X Press the 0045reset button again.
All functions in the submenu are reset to
the factory settings.
i If you want to retain the settings, do not
press the 0045reset button a second time.
The Settings Settings menu appears again after
approximately 5 seconds. Selecting submenus You will see the collection of submenus.
There are more submenus than can be dis-
played at the same time.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select a
submenu.
The submenu currently selected is high-
lighted.
X Press the 0063button to select the func-
tion within a submenu.
X Change the setting by pressing the 0081or
0082 button.
The changed setting is saved.
Instrument cluster submenu Selecting the unit for temperature
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection. On-board computer (vehicles with steering wheel buttons)
189On-board computer and displays Z

X
Press the 0081or0082 button to select the
Clock/Date
Clock/Date submenu.
X Press the 0063button to select the
12/24 h
12/24 h function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to select the
12 h
12 h or24 h
24 h clock format.
Lighting submenu Activating/deactivating Highbeam Assist
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the High‐
High‐
beam Assist
beam Assist function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to switch
Highbeam Assist On
OnorOff
Off .
i For safety reasons, it is not possible to
reset the Highbeam
Highbeam Assist
Assistfunction to the
factory settings during a journey. You will
see the following message in the display:
Setting only possible at stand‐
Setting only possible at stand‐
still still.
For further information about Highbeam
Assist, see (Y page 96). Switching the daytime running lamps on/
off If you switch the daytime running lamps func-
tion to On
On, the daytime running lamps will
automatically light up when the engine is run- ning.
For safety reasons, it is only possible to
change this setting when the vehicle is sta-
tionary. The factory setting is On Onin countries
in which daytime running lamp mode or day-
time running lamps are mandatory .
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the Day‐
Day‐
time runn. lamps
time runn. lamps function.
The selection marker is on the current set- ting.
X Press the 0081or0082 button to switch
the daytime running lamps On
OnorOff
Off.
i If you turn the light switch to
0060or
0058, the corresponding lamp switches on. If you turn the light switch to 0058, the
daytime running lamps remain switched
on.
i For safety reasons, it is not possible to
reset the Daytime runn. lamps Daytime runn. lamps function
to the factory setting while the vehicle is in
motion. You will see the following message
in the display: Setting only possible
Setting only possible
at standstill
at standstill. 192
On-board computer (vehicles with steering wheel buttons)On-board computer and displays

Switching surround lighting on or off
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the Loc.
Loc.
lighting
lighting function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to switch
the surround lighting On
OnorOff
Off .
If you switch the surround lighting to On
On, the
following lamps light up in the dark after you
have unlocked the vehicle using the key:
R the parking lamps
R the tail lamps
R the license plate lamps
R the fog lamps
The surround lighting automatically switches
off after 40 seconds or if you:
R open the driver's door
R insert the key into the ignition lock
R lock the vehicle using the key
Setting the exterior lighting delayed
switch-off In the
Headlamps Headlamps submenu, you can set
whether and for how long you wish the exte-
rior lighting to remain on after closing the
doors.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the Head‐
Head‐
lamps
lamps function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to select
whether and for how long you wish the
exterior lighting to remain on.
If you have set the delayed switch-off and
switch off the engine, the following remain lit:
R the parking lamps
R the tail lamps
R the license plate lamps
R the fog lamps
i You can reactivate this function by open-
ing a door within 10 minutes.
If, after switching off the engine, you do not open a door or you close an open door, the
exterior lighting switches off after
60 seconds.
Vehicle submenu Setting the windshield wiper sensitivity
You can use the
Wipe Wipesensor
sensor function to set
the sensitivity of the rain/ light sensor. On-board computer (vehicles with steering wheel buttons)
193On-board computer and displays Z

Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Vehicle
Vehicle submenu.
X Press the 0063button to select the Wipe
Wipe
sensor
sensor function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to adjust the
sensitivity of the rain/light sensor.
The levels are graded as follows:
R Level 1
Level 1: high sensitivity – wiping begins
even in light rain
R Level 2
Level 2: moderate sensitivity
R Level 3 Level 3: low sensitivity – wiping only
begins in heavy rain
Activating/deactivating Blind Spot Assist Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Vehicle
Vehicle submenu.
X Press the 0063button to select the Blind Blind
Spot Assist Spot Assist function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to switch
Blind Spot Assist On
On orOff
Off . For further information about Blind Spot
Assist; see (Y
page 163).
Heating submenu Selecting the switch-on time for the aux-
iliary heating
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Heating
Heating submenu.
X Press the 0063button to switch to the
Aux. heat.
Aux. heat. submenu selection
(Y page 124).
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to set the
desired switch-on time.
Use the Timer off Timer off setting to deactivate
automatic switch-on.
X Press button 0080.
The switch-on time is selected.
Convenience submenu The
Key Key function allows you to define whether
settings for some submenus are stored with a
key dependence. 194
On-board computer (vehicles with steering wheel buttons)On-board computer and displays