
One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
R
sixth segment onwards, you will hear an
intermittent warning tone for
approximately two seconds.
R seventh segment onwards, you will hear a
warning tone for approximately two
seconds. This indicates that you have now
reached the minimum distance.
Deactivating/activating PARKTRONIC :
Indicator lamp
; To deactivate/activate PARKTRONIC
If indicator lamp : lights up, PARKTRONIC is
deactivated.
i PARKTRONIC is automatically activated
when you turn the SmartKey to position 2
in the ignition lock.
Towing a trailer PARKTRONIC is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.196
Driving systems
Driving and parking

Problems with PARKTRONIC
Problem Possible causes/consequences and
M SolutionsOnly the red segments
in the PARKTRONIC
warning
displays are lit.
You also hear a warning
tone for approximately
two seconds.
PARKTRONIC is
deactivated after a few
seconds, and the
indicator lamp in the
PARKTRONIC button
lights up. PARKTRONIC has malfunctioned and has switched off.
X
If problems persist, have PARKTRONIC checked at a qualified
specialist workshop. Only the red segments
in the PARKTRONIC
warning
displays are lit.
PARKTRONIC is
deactivated after a few
seconds. The PARKTRONIC sensors are dirty or there is interference.
X
Clean the PARKTRONIC sensors ( Y page 297).
X Switch the ignition back on. The problem may be caused by an external source of radio or
ultrasound waves.
X
See if PARKTRONIC functions in a different location. Rear view camera
Important safety notes The rear view camera is only an aid. It is not
a replacement for your attention to your
immediate surroundings. You are always
responsible for safe maneuvering and
parking.
When maneuvering or parking, make
sure that there are no persons, animals or
objects in the area in which you are
maneuvering.
Under the following circumstances, the rear
view camera will not function, or will function
in a limited manner:
R the rear door is open
R in heavy rain, snow or fog
R at night or in very dark places
R if the camera is exposed to very bright light
R if the area is lit by fluorescent light or LED
lighting (the display may flicker) R
if
there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
R if the camera lens is dirty or obstructed
R if the rear of your vehicle is damaged. In
this event, have the camera position and
setting checked at a qualified specialist
workshop. Mercedes-Benz recommends
that you use an authorized Mercedes-Benz
Center for this purpose Driving systems
197
Driving and parking Z

Activating/deactivating the rear view
camera
:
Rear view camera X
To activate: make sure that the SmartKey
is in position 2 in the ignition lock.
X Make sure that the rear view camera
function is selected in COMAND (see the
separate operating instructions for
COMAND).
X Engage reverse gear.
The
area behind the vehicle is shown in the
COMAND display with guide lines.
X To change the function mode: using the
COMAND controller, select symbol : for
the "Reverse parking" function or
symbol ; for "Coupling up a trailer" (see
the separate COMAND operating
instructions).
The symbol of the selected function is
highlighted. To deactivate:
the rear view camera is
deactivated if you:
R shift the transmission to position P
R drive forward ten meters
R shift the transmission from R to another
position (after 15 seconds)
R drive forwards at a speed of over
5 mph
(10 km/h) Off-road driving systems
Transfer case
General notes The vehicle has permanent all-wheel drive.
Power is always transmitted to both axles.
For further information on driving off-road,
see (
Y page 164).
Shift ranges G
WARNING
If you do not wait for the transfer case gear
change process to complete, the transfer
case
could remain in the neutral position. The
power transmission to the driven wheels is
then interrupted. There is a danger of the
vehicle rolling away unintentionally. There is
a risk of an accident.
Wait until the transfer case shift process is
completed.
Do not turn off the engine while changing gear
and do not shift the automatic transmission
to another gear. 198
Off-road driving systems
Driving and parking

i
AMG vehicles: to shift the transfer case
to LOW
RANGE, deactivate the ECO start/
stop function (Y page 142).
X Press LOW RANGE button ;.
When the shift procedure is complete, the
LOW RANGE transfer case position appears
in the multifunction display.
Indicator lamp : lights up.
X Shift the transmission to position D.
Switching off the off-road gear ratio G
WARNING
When the transfer case is in the neutral
position, power transmission to the driven
wheels
is interrupted. As a result, the vehicle
could roll away. There is a risk of an accident.
Secure the vehicle with the parking brake, and
on uphill or downhill gradients, also secure it
with a device such as a wheel chock.
! Only carry out the gear selection if:
R the engine is running.
R the vehicle is rolling.
R the automatic transmission is in selector
lever position N.
R you are driving no faster than 43 mph
(70 km/h).
You could otherwise damage the transfer
case.
X Press button ;.
When the shift procedure is complete, the
HIGH
RANGE transfer case position appears
in the multifunction display.
Indicator lamp : goes out.
If the gear change is not completed, the
following messages could appear in the
display:
R TC Shift Conditions Not Fulfilled
You have not met one or more shift
conditions.
R TC NEUTRAL On
The transfer case has canceled the gear
change process and is in N. The N transfer case position appears in the multifunction
display.
R TC Shift Canceled
The transfer case has not performed the
gear change process.
X Carry out the gear change process again.
Make sure to meet all conditions for
changing gears.
R TC Malfunction Visit Workshop
There
is a malfunction in the transfer case.
X Do not shift the transfer case.
X Have the vehicle checked as soon as
possible
at a qualified specialist workshop.
Shifting to neutral G
WARNING
When the transfer case is in the neutral
position, power transmission to the driven
wheels
is interrupted. As a result, the vehicle
could roll away. There is a risk of an accident.
Secure the vehicle with the parking brake, and
on uphill or downhill gradients, also secure it
with a device such as a wheel chock.
X Turn the SmartKey to position
2 (Y page 139) in the ignition lock.
X Apply the parking brake.
X Depress the brake pedal.
X Move the selector lever to position
N(Y page 145).
X Press and hold LOW RANGE button ; for
approximately
10 seconds.
Once the gear change procedure is
complete, TC Neutral On message
appears in the multifunction display for
approximately 5 seconds.
If the gear change is not completed, the
following messages could appear in the
display
(Y page 238).
i If the transfer case is in Neutral, the
SmartKey is in the ignition lock and you
open the driver's door, the TC Neutral
On message appears in the multifunction 200
Off-road driving systems
Driving and parking

X
To activate the on-board computer: turn
the SmartKey to position 1(Y page 139) in
the ignition lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel.
Left control panel =
; R
Calls
up the menu and menu bar 9
:
Press briefly:
R
Scrolls in lists
R Selects a submenu or function
R In the Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 9
:
Press and hold:
R
In the Audio menu: selects the
previous/next station or selects
an audio track or a video scene
using rapid scrolling
R In the Tel (telephone) menu:
starts
rapid scrolling if the phone
book is open a R
Confirms a selection/display
message
R In the Tel (telephone) menu:
switches to the telephone book
and starts dialing the selected
number
R In the Audio menu: stops the
station search function at the
desired station Right control panel
~ R
Rejects or ends a call
R Exits phone book/redial
memory 6 R
Makes or accepts a call
R Switches to the redial memory W
X R
Adjusts the volume 8 R
Mute Back button
%
Press briefly:
R
Back
R Switches off the Voice Control
System; see the separate
operating instructions
R Hides display messages/calls
up the last Trip menu function
used
R Exits the telephone book/redial
memory %
Press and hold:
R
Calls up the standard display in
the Trip menu Displays and operation
211
On-board computer and displays Z

Trip computer "From start" or "From
reset"
Example: trip computer "From Start"
:
Distance
; Time
= Average speed
? Average fuel consumption
X Press the = or ; button on the
steering wheel to select the Trip menu.
X Press 9 or : to select From Start
or From Reset.
The values in the From Start submenu are
calculated from the start of a journey whilst
the values in the From Reset submenu are
calculated from the last time the submenu
was reset ( Y page 214).
The From Start trip computer is
automatically reset when:
R The
ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 miles have been exceeded.
The From Reset trip computer is
automatically reset if the value exceeds
9,999 hours or 99,999 miles. Displaying the range and current fuel
consumption :
Approximate range
; Current fuel consumption (not for AMG
vehicles)
X Press the = or ; button on the
steering wheel to select the Trip menu.
X Press the 9
or : button to select the
current fuel consumption (not for AMG
vehicles) and the approximate range.
The approximate range that can be covered
depends on the fuel level and your current
driving style. If there is only a small amount
of
fuel left in the fuel tank, the display shows
a vehicle being refueled C instead of the
range.
Digital speedometer :
Digital speedometer
X Press the = or ; button on the
steering wheel to select the Trip menu.
X Press the 9
or : button to select the
digital speedometer. Menus and submenus
213
On-board computer and displays Z

X
Press : or 9 to select the
Surround Lighting function.
When the Surround Lighting function is
activated, the cone of light in the
multifunction display is shown in red.
X Press the a button to save the setting.
Deactivating delayed switch-off of the
exterior lighting temporarily:
X Before leaving the vehicle, turn the
SmartKey to position 0(Y page
139) in the
ignition lock.
X Turn the SmartKey to position 2 in the
ignition lock ( Y page 139).
The exterior lighting delayed switch-off is
deactivated.
Delayed switch-off of the exterior lighting is
reactivated the next time you start the
engine.
If you have activated the Surround
Lighting
function and the light switch is set
to Ã, the following functions are activated
when it is dark:
R Surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the SmartKey. If you start the engine,
the surround lighting is switched off and
automatic headlamp mode is activated
(Y page 100).
R Exterior lighting delayed switch-off: the
exterior lighting remains lit for
60 seconds after the engine is switched off.
If you close all the doors and the trunk lid,
the exterior lighting goes off after
15 seconds.
i Depending on your vehicle's equipment,
when the surround lighting and delayed
switch-off exterior lighting are on, the
following light up:
R Parking lamps
R Front fog lamps
R Low-beam headlamps
R Daytime running lamps
R Side marker lamps
R Surround lighting in the exterior mirrors Activating/deactivating the interior
lighting delayed switch-off
If you activate the Interior Lighting
Delay function, the interior lighting remains
on for 20 seconds
after you remove the
SmartKey from the ignition lock.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Lights submenu.
X Press a to confirm.
X Press : or 9 to select the
Interior Lighting Delay function.
When the Interior Lighting Delay
function
is activated, the vehicle interior is
displayed in red in the multifunction
display.
X Press the a button to save the setting.
Vehicle Activating/deactivating the automatic
door locking mechanism
If you activate the Automatic Door Lock
function,
the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Vehicle submenu.
X Press a to confirm.
X Press : or 9 to select the
Automatic Door Lock function.
When
the Automatic Door Lock function
is activated, the vehicle doors are displayed
in red in the multifunction display.
X Press the a button to save the setting.
For further information on the automatic
locking feature, see ( Y page 75).220
Menus and submenus
On-board computer and displays

:
Lap
; RACETIMER
You can start the RACETIMER when the
engine is running or if the SmartKey is in
position 2(Y page 139) in the ignition lock.
X Press = or ; on the steering wheel
to select the AMG menu.
X Press the 9 button repeatedly until the
RACETIMER is shown.
X To start: press the a button to start the
RACETIMER.
Displaying the intermediate time X
Press the = or ; button to select
Interm. Time.
X Press a to confirm.
The intermediate time is displayed for five
seconds.
Starting a new lap :
RACETIMER
; Fastest lap time (best lap)
= Lap
X Press a to confirm New Lap.i
It is possible to store a maximum of
sixteen laps. The 16th lap can only be
completed with Finish Lap.
Stopping the RACETIMER X
Press the % button on the steering
wheel.
X Press a to confirm Yes.
The RACETIMER is interrupted if you stop the
vehicle and turn the SmartKey to position
1(Y
page 139) in the ignition lock. If you turn
the SmartKey to position 2 or
3(Y page 139) and then press a to
confirm Start, timing is continued.
Resetting the current lap
X Stop the RACETIMER ( Y page 223).
X Press = or ; to select Reset Lap.
X Press a to reset the lap time to "0".
Deleting all laps If you switch off the engine, the RACETIMER
is reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If
you have stopped 16 laps, the current lap
does not have to be reset. Menus and submenus
223On-board computer and displays Z