Page 118 of 539
117 Controls in detail
Locking and unlocking
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handleFront doors
Pull on door handle2 on the respec-
tive front door to open door.
If door was locked, locking knob1 will
move up.
Rear doors
Pull up locking knob1 on the respec-
tive rear door to unlock door.
Pull on door handle2 on the respec-
tive rear door to open door.
iIf the vehicle has previously been
locked with the SmartKey or SmartKey
KEYLESS-GO*, opening a door from the
inside will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:
With the SmartKey
Insert the SmartKey in the starter
switch.
Press theŒ or ‹button on
the SmartKey.
The SmartKey with KEYLESS-GO*
must be outside the vehicle.
With KEYLESS-GO*
Grasp an outside door handle.
Press the KEYLESS-GO start/stop
button.
The SmartKey with KEYLESS-GO
must be inside the vehicle.
Page 125 of 539

124 Controls in detailLocking and unlocking
Closing the tailgate and locking the
vehicle from the outside (vehicles with
KEYLESS-GO*)
In vehicles with tailgate opening/closing
system and KEYLESS-GO*, you can close
the tailgate and lock the vehicle simulta-
neously from the outside using the
KEYLESS-GO* locking/closing switch.
1KEYLESS-GO* locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO* with you.
Press switch1 briefly.The vehicle is locked and the tailgate
closes automatically. The turn signals
flash three times to confirm locking.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
If the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens
slightly.
Even with the SmartKey with KEYLESS-GO*
removed from the vehicle, the tailgate
closing switch can be operated. Therefore,
do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the vehi-
cle interior.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it. The turn signals
will flash three times to confirm lock-
ing.
iYou can also close the tailgate by hand.iTo prevent a possible inadvertent lock-
out, the tailgate will open automatically
if a SmartKey with KEYLESS-GO* is
recognized inside the vehicle.
Page 156 of 539
155 Controls in detail
Control system
Menu7
Menu8
Menu9
Vehicle configuration
Trip computer
Telephone*
(page 175)
(page 177)
(page 178)
Commands/submenusParktronic*
Fuel consumption statis-
tics after start
Load phone book
DSR (Downhill Speed Reg-
ulation) programmed
default speed
Fuel consumption statis-
tics since the last reset
Search for name in phone
book
Tow-away alarm
Call up range
iThe headings used in the menus table
are designed to facilitate navigation
within the system and are not neces-
sarily identical to those shown in the
control system displays.
The first function displayed in each
menu will automatically show you
which part of the system you are in.
Page 176 of 539
175 Controls in detail
Control system
Press buttonæ orç to switch
function
On or
Off
.
Setting fold-in function* for exterior
rear view mirrors
Using this function, you can set the exteri-
or rear view mirrors to be automatically
folded (
page 197) in when you lock your
vehicle.
Move the selection marker with
theæ orç button to the
Convenience
submenu.
Press buttonj ork repeatedly
until you see this message
Fold in
mirrors when locking
appears in the
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
function
On or
Off
.
Vehicle configuration
The following functions are available:
Parktronic system* on/off
Switch on the ignition (
page 34).
Pressè orÿ button repeatedly
until the
Vehicle configuration
menu
appears in the display.
Pressj ork repeatedly until
the message
PARKTRONIC
appears in
the display.
Function
Page
Parktronic* on/off
175
DSR set speed
176
Tow-away alarm on/off
176
Page 177 of 539

176 Controls in detailControl system
Press buttonæ orç to switch
function
On or
Off
.
This setting is maintained until the ignition
is switched off.
DSR (Downhill Speed Regulation)
programmed default speed
In the
Downhill Speed Regulation
menu,
you can program the default speed the
DSR is set to when it is activated.
You can program the default speed be-
tween 4 - 10 mph (Canada: 6 - 18 km/h).
The set value is increased in 1 mph
(Canada: 2 km/h) increments.
Pressè orÿ button repeatedly
until the
Vehicle configuration
menu
appears in the multifunction display.
Pressj ork button repeatedly
until the message
DSR Speed
appears
in the display.
The selection marker is on the current
setting.
Pressæ orç button repeatedly
until the desired speed is shown in the
multifunction display.
When DSR is switched on, DSR will use
the programmed default speed to regu-
late the vehicle’s speed.Tow-away alarm on/off
You can switch off the tow-away alarm,
e.g. before towing the vehicle, or when
parking on a surface subject to movement,
such as a ferry or auto train.
Pressè orÿ button repeatedly
until the
Vehicle configuration
menu appears in the display.
Pressj ork button repeatedly
until the message
Tow-away alarm
appears in the display.
iOnce DSR is switched on, you can
adjust the set speed using the cruise
control lever (
page 246).
Page 178 of 539

177 Controls in detail
Control system
Pressæ orç button repeatedly
to switch
On
or
Off
the tow-away
alarm.
Trip computer menu
Use the Trip computer menu to call up
statistical data on your vehicle. The follow-
ing information is available:
Fuel consumption statistics after start
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until you see this message in the left
display:
After start
.1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since startFuel consumption since last reset
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until you see this message in the dis-
play:
After reset
.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last re-
set
Function
Page
Fuel consumption statistics
after start
177
Fuel consumption statistics
since last reset
177
Call up range (distance to
empty)
178
iAll statistics stored since the last en-
gine start will be reset approximately
four hours after the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
Resetting will not occur if you turn the
SmartKey back to position1 or2 with-
in this time period.
Page 290 of 539

289 Controls in detail
Useful features
Stolen Vehicle Recovery services
In the event your vehicle was stolen:
Report the incident to the police.
The police will issue a numbered
incident report.
Pass this number on to the
Mercedes-Benz Response Center along
with your password issued to you when
you subscribed to the service.
The Response Center will then attempt
to covertly contact the vehicle’s
Tele Aid system. Once the vehicle is
located, the Response Center will
contact the local law enforcement and
you. The vehicle’s location will only be
provided to law enforcement.
Garage door opener
The built-in remote control is capable of
operating up to three separately controlled
devices, for example garage door openers,
gate openers, or other devices compatible
with HomeLink
® or some other systems.
You can program the signal transmitter
buttons.
iWhen the anti-theft alarm or the
tow-away alarm stays on for more than
30 seconds, a call is initiated automat-
ically to the Response Center. See
anti-theft alarm system (
page 100)
and tow-away alarm (
page 102).
Page 436 of 539
435 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle using the
SmartKey or SmartKey with
KEYLESS-GO*, open the driver’s door us-
ing the mechanical key.
Removing the mechanical key
SmartKey1Mechanical key locking tab
2Mechanical key
SmartKey with KEYLESS-GO*1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
The mechanical key2 comes out.
Slide the mechanical key2 out of
housing.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system.
To cancel the alarm, do one of the
following:
Press buttonŒ or‹on the
SmartKey.
Insert the SmartKey in the starter
switch.
In vehicles with KEYLESS-GO*:
Grasp the outside door handle.
The SmartKey with KEYLESS-GO
must be outside the vehicle.
Press the KEYLESS-GO* start/stop
button.
The SmartKey with KEYLESS-GO
must be inside the vehicle.