
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
the automatic headlamp mode is activated
(Y page 121).
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 boot lid/
tailgate, the exterior lighting goes off after
5 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 20seconds 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 Light.
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
X
Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press : or 9 to select the Vehicle
submenu.
X Press a to confirm.
X Press : or 9 to select the Auto.
Door Locks 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.
If you activate the Automatic Door Lock
function,
the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For further information on the automatic
locking feature, see ( Y page 86).
Activating/deactivating the acoustic
locking verification signal
If you switch on the Acoustic Lock function,
an acoustic signal sounds when you lock the
vehicle.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press : or 9 to select the Vehicle
submenu.
X Press a to confirm.240
Menus and submenus
On-board computer and displays

X
Press the : or 9 button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the & symbol in the multifunction
display lights up red.
X Press the a button to save the setting.
Activating/deactivating the radar sensor
system
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press : or 9 to select the Vehicle
submenu.
X Press a to confirm.
X Press the 9 or : button to select
Radar Sensor (See Oper. Manual):.
You will see the selected setting: On or
Off.
X Press the a button to save the setting.
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS (Y page 185)
R BAS PLUS
(Y page 68)
R PRE-SAFE ®
Brake (Y page 72)
R Blind Spot Assist (Y page 214)
R Active Blind Spot Assist (Y page 218)
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering
wheel adjustment lever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit feature, which could result in an accident
and/or serious personal injury.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Convenience submenu.
X Press a to confirm.
X Press : or 9 to select the Easy
Entry/Exit: function.
If the Easy Entry/Exit function is
activated, the vehicle steering wheel is
displayed in red in the multifunction
display.
X Press the a button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature ( Y page 112).
Switching the belt adjustment on/off
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Convenience submenu.
X Press a to confirm.
X Press the :
or 9 button to select the
Belt Adjustment function.
When the Belt Adjustment function is
activated, the vehicle seat belt is displayed
in red in the multifunction display.
X Press the a button to save the setting.
For further information on belt adjustment,
see ( Y page 58).
Switching the fold-in mirrors when
locking feature on/off
This
function is only available on vehicles with
the memory function ( Y page 116).
When you activate the Auto. Mirror
Folding function, the exterior mirrors are
folded in when the vehicle is locked. If you
unlock the vehicle and then open a door, the
exterior mirrors fold out again. Menus and submenus
241
On-board computer and displays Z

Display messages Possible causes/consequences and
M SolutionsRisk of Rolling
Away
Vehicle Not in P The driver's door is open and the transmission is in position
R, N
or D.
A warning tone also sounds.
X Shift the transmission to position P.
X Secure the vehicle against rolling away ( Y page 175).Service Required
Do Not Shift Gears You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission position
D is selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R, N or P is selected:
X Notify a qualified specialist workshop or breakdown service. Only Shift
to 'P' when
Vehicle is
Stationary The vehicle is moving.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Shift the transmission to position P.N Sedan: the trunk lid is open.
X
Close the trunk lid. A Wagon: the tailgate is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate. M or ? The hood is open. A warning tone also sounds.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 175).
X Close the hood.272
Display messagesOn-board computer and displays

SmartKey
Display messages Possible causes/consequences and
M SolutionsÂ
Key Does Not
Belong to Vehicle You have put the wrong SmartKey in the ignition lock.
X
Use the correct SmartKey. Â
Take
Your Key from
Ignition The SmartKey is in the ignition lock.
X
Remove the SmartKey. Â
Obtain a New Key The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop. Â
Replace
Key Battery The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries ( Y page 81).Â
Don't Forget Your
Key The display message is shown for a maximum of 60 seconds and
is only a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
X
Remember to take the KEYLESS-GO key with you when you
leave the vehicle. Â
Key Not Detected
(red display message) The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 175).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because
there is interference from a strong source of radio waves.
A warning tone also sounds.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 175).
X Operate the vehicle with the SmartKey in the ignition lock.274
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M SolutionsÂ
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Detected in
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Â
Remove 'Start'
Button and Insert
Key The KEYLESS-GO key can continuously not be detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Â
Close Doors to
Lock Vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again. Indicator and warning lamps in the
instrument cluster
Warning and indicator lamps
overview
L Low-beam headlamps
(Y page 122)
T Parking lamps (Y page 123)
K High-beam headlamps
(Y page 124)
#! Turn signals (Y page 124)
ü Seat belts (Y page 276)
$ (USA) Brakes (Y page 277)
J (Canada) Brakes (Y page 277)
! ABS (Y page 278)
ä ESP®
(Y page 279)
å ESP®
OFF (Y page 279)
M SPORT handling mode in
AMG vehicles (Y page 280) 6
SRS (Y page 281)
; Check Engine (Y page 282)
8 Reserve fuel (Y page 282)
? Coolant (Y page 283)
· Distance warning signal
(Y page 285)
h Tire pressure monitor
(Y page 286) Indicator and warning lamps in the instrument cluster
275On-board computer and displays Z

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible.
Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 25).Stowage areas
Loading guidelines
G
WARNING
Always fasten items being carried as securely
as possible. Use cargo tie-down rings and
fastening
materials appropriate for the weight
and size of the load.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
transporting cargo. Do not pile luggage or
cargo higher than the seat backrests.
The trunk is the preferred place to carry
objects.
Never drive a vehicle with the trunk open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in
unconsciousness and death.
The handling characteristics of a laden
vehicle are dependent on the distribution of
the load within the vehicle. For this reason,
you should observe the following notes when
transporting a load:
R when transporting a load, never exceed the
maximum permissible gross vehicle weight or the gross axle weight rating of the
vehicle (including occupants). The values
are specified on the vehicle identification
plate on the B-pillar of the driver's door.
R position heavy loads as far forwards as
possible and as low down in the trunk/
cargo compartment as possible.
R the
load must not protrude above the upper
edge of the seat backrests.
R always place the load against the rear or
front seat backrests. Make sure that the
seat backrests are securely locked into
place.
R always place the load behind unoccupied
seats if possible.
R secure the load with sufficiently strong and
wear-resistant tie-downs. pad sharp edges
for protection. Stowage space
Important safety notes G
WARNING
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
storing objects in the vehicle. Put luggage or
cargo in the trunk if possible.
Do not pile luggage or cargo higher than the
seat backrests.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
R braking
R vehicle maneuvers
R an accident288
Stowage areas
Stowage and features

X
Fold down sun visor :.
X Pull sun visor : out of retainer =.
X Swing sun visor : to the side.
X Vehicles with an additional sun visor:
slide sun visor : horizontally as desired.
X Fold down additional sun visor ; to the
windshield. Roller sunblinds on the rear side
windows
! Always
guide the roller sunblind by hand.
Do not let it snap back suddenly as this
would damage the automatic roller
mechanism.
! Do not drive the vehicle with the roller
sunblind hooked in and the side windows
opened simultaneously. The roller sunblind
can jump out of the retainers and spring
back suddenly when driving at high speeds,
e.g. when driving on the freeway. This could
damage the inertia reel. Therefore, either
close the side window or retract the roller
sunblind before driving at high speeds. X
To extend: pull the roller sunblind out by
tab :
and hook it onto retainers ; at the
top of the window. Rear window roller sunblind (Sedan)
Important safety notes G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access
to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts. G
WARNING
When adjusting a roller sunblind, the roller
blind moves up or down. You might become
trapped in the process.
In
the event of danger, briefly press the button
for the roller sunblind to change the roller
blind's direction of movement.
Extending/retracting the roller
sunblind !
Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged. Features
307
Stowage and features Z

Cigarette lighter
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. A child's unsupervised
access
to a vehicle could result in an accident
and/or serious personal injury. The children
could:
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
ignition lock or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and the child could be burned on these
parts. G
WARNING
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
Make sure any children traveling with you do
not injure themselves or start a fire with the
hot cigarette lighter. X
Turn the SmartKey to position 2 in the
ignition lock ( Y page 153).
X To open: slide cover : forwards until it
engages.
X Press in cigarette lighter ;.
Cigarette lighter ; will pop out
automatically when the heating element is
red-hot.
X To close: briefly press cover : at the
front.
The cover moves back. 12 V sockets
General notes X
Turn the SmartKey to position 1 in the
ignition lock ( Y page 153).
The sockets can be used for accessories with
a maximum draw of
180 W (15 A).
Accessories include such items as lamps or
chargers for mobile phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
i An emergency cut-out ensures that the
on-board voltage does not drop too low. If
the on-board voltage is too low, the power
to the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. Features
309
Stowage and features Z