The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protect the
engine when the red band is reached.
Outside temperature display
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
Bear in mind that the outside temperature
display indicates the temperature measured
and does not record the road temperature.
The outside temperature display is in the mul-
tifunction display (
Ypage 232).
There is a short delay before a change in out-
side temperature is shown in the multifunc-
tion display.
Coolant temperature display
GWARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
!A display message is shown if the coolant
temperature is too high.
If the coolant temperature is above 257 ‡
(125 †) do not drive any further. The
engine will otherwise be damaged.
The coolant temperature gauge is in the lower
section of the tachometer (
Ypage 33).
Under normal operating conditions and with
the specified coolant level, the coolant tem-
perature may rise to 255 ‡ (124 †).
Operating the on-board computer
:Multifunction display
;Right control panel
=Left control panel
XTo activate the on-board computer: turn
the SmartKey to position 1in 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
òROpens the menu list
9
:Press briefly:
RScrolls in lists
RSelects a menu or function
RIn the RadioorMediamenu:
opens the track or station list
and selects a station, an audio
track or a video scene
RIn the Telephonemenu:
switches to the phone book and
selects a name or a telephone
number
Displays and operation231
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
_
LockSeatBackrest
Front Lef torLoc k
SeatBackrest
Front Right
The driver's or fron tpassenger's seat backrest is no tengaged. A
warnin gtone also sounds.
XPush th ebackrest bac kuntil it engages.
Ð
PowerSteeringMal ‐
function See Oper‐
ator's Manual
The powe rsteerin gis malfunctioning.
A warnin gtone also sounds.
GWARNIN G
You will need to use mor eforc eto steer .
There is aris kof an accident.
XChec kwhether you are able to apply th eextr aforc erequired.
XIf you ar eabl eto steer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely :do no tdrive on .Contac tth e
neares tqualified specialist workshop .
Phone No ServiceYour vehicleis outside th enetwork provider' stransmitter/
receiver range.
XWait until th emobile phone operational readiness symbol
appears in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped
belo wtheminimum .
XAddwasher flui d (Ypage 329).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
Key DoesNot
Belong to Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrec tSmartKey.
Â
Tak eYourKeyfrom
Ignition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Display messages283
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
Â
ReplaceKeyBattery
The SmartKey battery is discharged.
XChange th ebattery (Ypage 86) .
Â
Don't Forget You r
Key
The SmartKey is notin th eignition lock. You hav eopened th e
driver's doo rwit hth eengin eswitched off.
This display message is displayed in th emultifunction display fo r a
maximum of 60 seconds and is simply areminder .
XTaketh eSmartKey wit hyou when you leav eth evehicle.
Â
Key Not Detected
(whit edisplay mes -
sage )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbe detected:
XInser tth eSmartKey into th eignition loc kand tur nit to th e
desire dposition .
Â
Key Not Detected
(reddisplay message )
The SmartKey is no tin th evehicle.
A warnin gtone also sounds.
If th eengin eis switched off, you can no longer loc kth evehicl e
centrall yor start th eengine.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 170).
XLocate th eSmartKey.
XPress aon thesteerin gwhee lto confirm th edisplay mes -
sage .
Becaus ethere is interferenc efrom astron gsource of radi owaves,
th eke yis no tdetecte dwhils tth eengin eis running .
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 170).
XInsertth eSmartKey into th eignition loc kand bring into ke y
mode.
Â
Remove'Start 'But‐
ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atemporar ymalfunction or
is faulty. Awarnin gtone also sounds.
XInser tth eSmartKey into th eignition loc kand tur nit to th e
desire dposition .
XVisitaqualified specialist workshop .
284Display messages
On-board computer and displays
RClose lockablestowage compartments
while driv ing.
RStow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large inthe trunk.
Observe the loading guidelines (Ypage 300).
Stowage compartments in the front
Glove box
XTo open: pull handle :and open glove box
flap ;.
XTo close: fold glove box flap ;upwards
until it engages.
The glove box can be cooled (
Ypage 147).
The glove box contains
Ra coin holder
Ra pen holder
Rthree credit card holders
Ra holder for the COMAND remote control
The glove box can only be locked and
unlocked using the mechanical key.
XTo lock: insert the mechanical key into the
lock and turn it 90° clockwise to position
2.
XTo unlock: insert the mechanical key into
the lock and turn it 90° counter-clockwise
to position 1.
Eyeglasses compartment
XTo open: press marking :.
The eyeglasses compartment opens down- wards.
XTo close: press marking :again and the
eyeglasses compartment returns upwards
and engages.
Make sure that the eyeglasses compartment
is always closed while the vehicle is in motion.
Stowage compartments in the center con-
sole
XTo open: briefly press marking ;.
XTo close:push stowage compartment :
in the direction of the arrow until it
engages.
Stowage areas301
Stowage and features
Z
XFold down sun visor:.
XPull sun visor:out of retainer ;.
XSwing sun visor :to the side.
XSlide sun visor :horizontally as required.
Rear window roller sunblind
Important safety notes
GWARNING
Parts of the body could be trapped in the
sweep of the roller sunblind when the roller
sunblind is extended or retracted. There is a
risk of injury.
When extending or retracting make sure that
no parts of the body are in the sweep of the
roller sunblind. Briefly press the button again
if someone becomes trapped. The opening or
closing process is briefly stopped. The roller
sunblind then returns to its initial position.
!Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects could be damaged.
At temperatures below Ò4‡( Ò20 †) the roller
sunblind cannot be operated.
Extending/retracting from the driver's
seat
XTurn the SmartKey to position 1or 2in the
ignition lock (
Ypage 151).
XTo extend or retract: briefly press but-
ton :.
The roller sunblind fully extends or fully
retracts.
XTo stop: briefly press button :again.
The roller sunblind stops briefly and moves
back into the out-of-use position.
Ashtray
Front ashtray
XTo open: briefly press marking ?.
Stowage compartment =opens.
XTo remove the insert: grip the sides of
insert :, push it forward and pull it
upwards ;.
XTo re-install the insert: press insert:
into the drawer until it engages.
XTo close: press stowage compartment =
closed until it locks.
Cigarette lighter
Important safety notes
GWARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
306Features
Stowage and features
In addition, flammable materials can ignite if:
Rthe hot cigarette lighter falls
Ra child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children
unsupervised in the vehicle.
Your attention must always be focused on the
traffic conditions. Only use the cigarette
lighter when road and traffic conditions per-
mit.
Cigarette lighter in the front compart-
ment
XTurn the SmartKey to position 2in the igni-
tion lock (
Ypage 151).
XTo open: briefly press marking =.
Stowage compartment ;opens.
XPress in cigarette lighter :.
Cigarette lighter :will pop out automati-
cally when the heating element is red-hot.
XTo close: press stowage compartment ;
closed until it locks.
12 V sockets
General notes
XTurn the SmartKey to position 1in the igni-
tion lock (
Ypage 151). The sockets can be used for accessories with
a maximum draw of 180 W (15A). Accesso-
rie sinclude suc hitem sas charger sfo rmobile
phones.
If you use th esockets fo rlon gperiod swhe n
th eengin eis switched off, th ebattery may
discharge.
An emergency cut-out ensures that th eon -
boar dvoltage doe sno tdrop to olow. If th eon -
boar dvoltage is to olow, th epower to th e
sockets is automatically cut .Thi sensures
that ther eis sufficien tpower to start th e
engine.
Socket in th efront-co mpartment center
console
XTo open: briefly press marking =.
Stowage compartment ;opens.
XLift up the cover of socket :.
XTo close:press stowage compartment ;
closed until it locks.
Socket in the rear compartment
Features307
Stowag ean d features
Z
Search & Send
General notes
To use "Search & Send", your vehicle must be
equipped with mbrace and a navigation sys-
tem. Additionally, an mbrace service sub-
scription must be completed.
"Search & Send" is a destination entry ser-
vice. A destination address which is found on
Google Maps
®can be transferred via mbrace
directly to your vehicle's navigation system.
Specifying and sending the destination
address
XGo to the website http://
maps.google.com and enter a destination
address into the entry field.
XTo send the destination address to the
e-mail address of your mbrace account:
click on the corresponding button on the
website.
Example:
If you select 'Send to vehicle' and then
'Mercedes-Benz', the destination address
will be sent to your vehicle.
XWhen the "Send" dialog window appears:
Enter the e-mail address you specified
when setting up your mbrace account into
the corresponding field.
XClick "Send".
Information on specific commands such as
"Address entry" or "Send" can be found on the
website.
Calling up a transmitted destination
address
XTurn the SmartKey to position 2in the igni-
tion lock (
Ypage 151).
The transmitted destination address is loa-
ded into the vehicle's navigation system. A display message appears, asking
whether navigation should be started.
XSelectYesby turning
3or sliding 1
the controller and confirm with 7.
The system calculates the route and sub-
sequently starts the route guidance with
the address entered.
If you select No
the address can be stored in
the address book.
If you have sent more than one destination
address, each individual destination must
be confirmed separately.
Destination addresses are loaded in the same
order as the order in which they were sent.
If you own multiple Mercedes-Benz vehicles
with mbrace and activated mbrace accounts:
If multiple vehicles are registered under the
same e-mail address, the destination will be
sent to all the vehicles.
Vehicle remote opening
You can use the vehicle remote opening if you
have unintentionally locked your vehicle and
a replacement SmartKey is not available.
The vehicle can be opened by the Mercedes-
Benz Customer Assistance Center.
The vehicle can be immediately opened
remotely within four days of the ignition being turned off. After this time, the remote unlock-
ing may be delayed by 15 to 60 minutes. After
30 days, the vehicle can no longer be opened
remotely.
The vehicle remote unlocking feature is avail-
able if the relevant mobile phone network is
available and a data connection is possible.
XContact the following service hotlines:
Mercedes-Benz Customer Assistance Cen-
ter at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
You will be asked for your password.
XReturn to your vehicle at the time agreed
upon with the Mercedes-Benz Customer
Assistance Center.
314Features
Stowage and features
XPress theYesbutton to confirm the mes-
sage.
XWhen the Vehicle Diagnostics
Please Start Ignitionmessage
appears: turn the SmartKey to position 2in
the ignition lock (
Ypage 151).
XIf the Please follow the instruc‐
tions received by phone and move
your vehicle to a safe position.
message appears: please follow the
instructions received by phone and move
your vehicle to a safe position.
The message in the display disappears.
The vehicle operating state check begins.
During this procedure, you will see the
Vehicle
DiagnosticsActivemessage.
If you select Cancel
, the Vehicle Health
Check is canceled completely.
When the check is complete, the Sending
vehicle diagnostics data. (Voice
connection may be interrupted dur‐
ingdatatransfer)message appears. The
vehicle data can now be sent.
XPress the OKbutton to confirm the mes-
sage.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐
ring Data...message appears.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice con-
nection is re-established after the transfer is
complete. If necessary, you will be contacted
at a later time by another means, e.g. by e-
mail or phone.
Another function of the Vehicle Health Check
is the transfer of service data to the Customer
Assistance Center. If a service is due, the dis-
play shows a message to this effect together
with information about any special offers at
your workshop.
This information can also be called up under
"Owners Online" at http://www.mbusa.com. Information on the data stored in the vehicle
(
Ypage 28).
Information on Roadside Assistance
(
Ypage 24).
Downloading routes
Downloading routes allows you to transfer
and save predefined routes in the navigation
system.
A route can be prepared and sent by either a
customer service representative or under
"Owners Online" at http://www.mbusa.com.
Each route can include up to four way points.
Once a route has been received by the navi-
gation system, you will see the The
to "Previous Destinations". Would
youliketostartnavigation?message
on the COMAND display.
The route is saved.
XTo start route guidance: selectYes.
An overview of the route is shown in the
display.
If you select No
the saved route can be
called up later in the navigation menu.
XSelect Start.
Route guidance starts.
Downloaded and saved routes can be called
up again.
You can find further information in the sepa-
rate COMAND/Audio 20 operating instruc-
tions.
Speed alert
You can define the upper speed limit, which
must not be exceeded by the vehicle.
If this selected speed is exceeded by the vehi-
cle, a message will be sent to the Customer
Assistance Center. The Customer Assistance Center then forwards this information to you.
You can select the way in which you receive
this information beforehand. Possible options
include text message, e-mail or an automated
call.
316Features
Stowage and features