keyless MERCEDES-BENZ CLS 2014 Owners Manual

Display messages
ASSYST PLUS................................309
Calling up (on-board computer).....237
Driving systems.............................251
Engine ............................................ 248
General notes................................237
Hiding (on-board computer)...........237
KEYLESS-GO..................................262
Lights .............................................245
Safety systems..............................238
SmartKey.......................................262
Tires............................................... 258
Vehicle ...........................................260
Distancerecorder.............................222
see Trip odometer
Distancewarning (warning lamp)....275
DISTRONIC PLUS
Activating ....................................... 180
Activationconditions.....................180
Deactivating ................................... 184
Display message............................255
Displaysinthe multifunction
display...........................................184
Function/notes.............................177
Important safety notes..................177
Setting the specified minimum
distance.........................................183
Warning lamp ................................. 275
Doors
Automatic locking (on-board
computer)......................................232
Automatic locking (switch) ...............83
Central locking/unlocking
(SmartKey) .......................................76
Control panel...................................38
Display message............................261
Emergency locking ........................... 84
Emergency unlocking.......................84
Important safety notes....................82
Opening (from inside)......................82
Drinking and driving.........................170
Drinks holder
see Bottle holder
Driveprogram
Automatic......................................160
Display...........................................155
Display (DIRECTSELECT lever)......156
Manual ...........................................161
Manual (AMG vehicles)..................162
Manual (vehicleswithSports
package AMG)...............................162
SETUP (on-board computer)..........234
Driveprogram selector.....................159
Driver's door
see Doors
Driving abroad
Mercedes-Benz Service.................311
Symmetrical low beam..................116
Driving on flooded roads..................174
Driving safety systems
ABS (Anti-lock Braking System).......66
ADAPTIVE BRAKE.............................72
BAS (Brake Assist System)..............67
BAS PLUS (Brake Assist System
PLUS) ...............................................67
Electronicbrake force distribution...71
ESP®(Electronic Stability
Program)..........................................68
ETS/4ETS (ElectronicTraction
System)...........................................69
Important safety information...........66
Overview..........................................66
PRE-SAFE®Brake .............................72
Driving systems
Active Blind Spot Assist.................211
Active Driving Assistance
package.........................................211
Active Lane Keeping Assist............214
Active Parking Assist.....................196
AIRMATIC......................................189
AMG adaptive sport suspension
system...........................................190
ATTENTION ASSIST........................203
Blind Spot Assist ............................ 207
Cruise control................................175
Display message............................251
DISTRONICPLUS...........................177
HOLD function...............................186
Lane Keeping Assist......................209
Lane Tracking package..................207
NightView Assist Plus...................204
PARKTRONIC.................................193
RACESTART (AMG vehicles)..........188
Rearview camera..........................199
8Index

Driving tips
AMGceramic brakes.....................173
Automatic transmission.................158
Brakes...........................................172
Break-in period..............................146
Downhill gradient...........................172
Drinking and driving.......................170
Driving abroad...............................116
Driving in winter .............................174
Driving on flooded roads................174
Driving on wet roads......................174
Exhaustcheck...............................170
Fuel ................................................ 170
General..........................................169
Hydroplaning.................................174
Icy road surfaces...........................174
Limited braking efficiency on
salted roads...................................172
Snow chains..................................337
Symmetrical low beam..................116
Wet road surface...........................172
DVD audio
Operating (on-board computer).....225
DVD video
Operating (on-board computer).....226
E
EASY-ENTRY feature
Activating/deactivating.................233
Function/notes.............................108
EASY-EXIT feature
Crash-responsive...........................109
Function/notes.............................108
Switching on/off...........................233
EBD (electronic brake force
distribution)
Display message............................240
Function/notes ................................ 71
ECOdisplay
Function/notes.............................170
On-board computer.......................223
ECOstart/stop function
Automatic engine switch-off..........151
Deactivating/activating.................152
General information.......................151
Important safety notes..................151
Introduction...................................150
Emergency release
Driver's door....................................84
Fuel filler flap.................................166
Trunk...............................................88
Vehicle.............................................84
Emergency spare wheel
Important safety notes..................367
Points to remember.......................367
Removing.......................................368
Storage location............................368
Stowing .......................................... 368
Technical data...............................370
Emergency Tensioning Devices
Function ...........................................59
Safety guidelines.............................41
Emissions control
Service and warranty information....23
Engine
Check Engine warning lamp ........... 273
Display message............................248
ECO start/stop function................150
Engine number............................... 373
Irregularrunning............................154
Jump-starting.................................326
Starting problems..........................154
Starting the engine with the
SmartKey.......................................149
Starting with KEYLESS-GO.............149
Switching off..................................168
Tow-starting (vehicle)..................... 331
Engine electronics
Problem (malfunction)...................154
Engine oil
Adding...........................................308
Additives........................................376
Checking the oil level..................... 307
Checking the oil levelusing the
dipstick..........................................307
Display message............................250
Filling capacity...............................376
Notes about oil grades ................... 375
Notes on oil level/consumption....307
Temperature (on-board computer).234
Viscosity........................................376
Index9

Headlamps
Adding fluidtocleaning system.....309
Cleaning system (function)............120
Cleaning system (notes)................378
Fogging up.....................................122
see Automatic headlamp mode
Head restraints
Adjusting.......................................100
Adjusting (electrically)...................101
Adjusting (rear)..............................101
Installing/removing (rear)..............102
Luxury ............................................ 101
Heating
see Climate control
High-beam headlamps
Display message............................246
Switching Adaptive Highbeam
Assist on/off.................................122
Switching on/off...........................119
Hill start assist..................................150
HOLD function
Display message............................252
Function/notes.............................186
Hood
Closing ...........................................307
Display message............................261
Important safety notes..................306
Opening.........................................306
Hydroplaning.....................................174
I
Ignitionlock
see Key positions
Immobilizer..........................................73
Indicator lamps
see Warning and indicator lamps
Instrument cluster
Overview .................................. 31, 219
Settings.........................................229
Warning and indicator
lamps .......................................32, 264
Instrument cluster lighting..............230
Interior lighting.................................123
Automatic control..........................123
Delayedswitch-off (on-board
computer)......................................232
Emergency lighting........................124
Manual control ............................... 124
Overview........................................123
Reading lamp.................................123
Setting the brightness of the
ambient lighting (on-board
computer)......................................231
Setting the brightness of the
display/switch (on-board
computer)......................................230
Setting the color of the ambient
lighting (on-board computer).........231
J
Jack
Storage location............................320
Using.............................................359
Jump starting (engine)......................326
K
KEYLESS-GO
Convenience closing feature............90
Display message............................262
Locking............................................77
Start/Stop button .......................... 147
Starting the engine........................149
Unlocking ......................................... 77
Keypositions
KEYLESS-GO..................................147
SmartKey.......................................147
Kickdown
Driving tips....................................159
Manual drive program....................163
Kneebag..............................................45
L
Lamps
see Warning and indicator lamps
Lane KeepingAssist
Activating/deactivating.................229
Display message............................253
Function/information....................209
Lane Tracking package.....................207
Lap time (RACETIMER)......................235
LATCH-type (ISOFIX) child seat
anchors................................................63
Index11

Useful information
iThis 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 notethat your vehicle may
not be equipped with all features
described. This also applies to safety-
related systemsand functions.
iRead the information on qualified
specialist workshops: (Ypage 26).
Panic alarm
XTo activate:press\rbuttonfor at
least one second.
An alarm sounds and the exterior lighting
flashes.
XTo deactivate:press\rbutton
again.
or
XInsert the SmartKey intothe ignition lock.
or
XPress the KEYLESS-GO Start/Stop button.
The KEYLESS-GO key must be in the
vehicle.
Occupant safety
Important safetynotes
GWARNING
Modifications to the restraint systemscould
result in them not functioning properly any
more. The restraint systemscould then no
longer protect vehicle occupants as they are
designed to do and could fail in the eventof
an accidentoractivateunexpectedly, for
example. Thereisanincreased risk of injury.
Never modify partsoftherestraint systems.
Do notattempttomodify the wiring as well as
electronic components or their software.
If it is necessary to modify an air bag system
to accommodateaperson with disabilities,
contact an authorized Mercedes-Benz center.
USA only: for further information contact our
Customer Assistance Center at
1-800-FOR-MERCedes (1800-367-6372).
In this section,you will learn the most
important facts about the restraint system
components of the vehicle.
The restraint system consistsof:
RSeat belts
RChild restraint systems
RLATCH-type (ISOFIX) child seat securing
system
Additional protection is provided by:
RSRS (Supplemental Restraint System)
RNECK-PRO head restraints/NECK-PRO
luxury head restraints
RPRE-SAFE®
RAir bag system components with:
-PASSENGER AIR BAG OFF indicator lamp
-Front-passenger seat with Occupant
Classification System (OCS)
The different air bag systems work
independently of each other. The protective
functions of the system work in conjunction
with each other. Not all air bags are deployed
in an accident.
40Occupant safety
Safety

Centerbefore seating any child on the front
passenger seat.
GWARNING
Objects between the seat surface and the
child restraint system could affect the
function of the OCS. This could result in the
front-passenger frontair bag not functioning
as intended during an accident. This poses an
increased risk of injury or even fatal injury.
Do not place any objects between the seat
surface and the child restraint system. Make
sure that the bottom and back of the child
restraint system make full contact with the
front-passenger seat cushion and backrest.
Always comply with the child restraint system
manufacturer's installation instructions.
The PASSENGER AIR BAG OFF indicator lamp
lights up:
Rif you turn the SmartKey in the ignition lock
to position1or2
Rif you press the KEYLESS-GO Start/Stop
button onceortwice on vehicles with
KEYLESS-GO
Rif an adult is seated properly on the front-
passenger seat and the OCS classifies the
occupant as an adult
The PASSENGER AIR BAG OFF indicator
lamp goes out again after approximately six
seconds.
If the seat is not occupied and the OCS
system detects that the front-passenger
seat is empty, the PASSENGER AIR BAG
OFF indicator lamp will continue to light up.
The PASSENGER AIR BAG OFF indicator
lamp will not go out.
For more information about the OCS, see
"Problems with the Occupant Classification
System"(Ypage 52).
Occupant safety51
Safety
Z

In order to maintain the appropriatedistance
to the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
Due to the nature of the system, particularly
complicated driving conditionsmay cause
unnecessarywarningsortheunnecessary
intervention of PRE-SAFE®Brake.
Followingdamagetothe front end of the
vehicle, have the configurationand operation
of the radarsensorschecked ataqualified
specialist workshop. This also applies to
collisions at low speeds where thereisno
visible damage to the frontofthe vehicle.
Function
XTo activate/deactivate:activate or
deactivate PRE-SAFE®Brake in the on-
board computer (Ypage 228).
If the PRE-SAFE®Brake is not activated, the

symbol appears in the multifunction
display.
If you approachavehicle in front very quickly,
this function warns you fromaspeed of
approximately4mph (7 km/h). An
intermittent warning tone sounds and the
distance warning signal lamp in the
instrumentcluster lightsup.
XBrake immediately to defuse the situation.
or
XTake evasiveaction provided it is safe to do
so.
Fromaspeed of approximately4mph
(7 km/h), if the driver and frontpassenger
have fastened their seat belts, PRE-SAFE®
Brakecan brake the vehicle automatically at
speeds up to approximately 124 mph
(200 km/h).
You can preventthe intervention of the PRE-
SAFE®Brakeatany time by:
Rdepressingthe accelerator pedal further.
Ractivating kickdown.
Rreleasing the brake pedal.
The brakingaction of PRE-SAFE®Brakeis
ended automatically if:
Ryou maneuver to avoid the obstacle.
Rthereisnolonger any danger ofarear-end
collision.
Rthereisnolonger an obstacle detected in
frontofyour vehicle.
If you approach an obstacle and PRE-SAFE®
Brakedetectsarisk ofacollision, the system
will alert you both visually and acoustically. If
you do not brake or takeevasive action,the
system will warn you by automatically braking
the vehicle gently. If thereisanincreased risk
of collision, preventative passenger
protection measures (PRE-SAFE®)are
activated (Ypage 54). Ifarisk of collision
remains at speeds of over 20 mph
(30 km/h) and you do not brake, takeevasive
action or significantly accelerate, automatic
brakingmay be performed up to and including
emergency braking. Automatic emergency
brakingisnot performed until immediately
prior to an accidentthat can no longer be
avoided.
Theftdeterrent locking system
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
XTo activate with the SmartKey:remove
the SmartKey from the ignition lock.
XTo activate with KEYLESS-GO:switchthe
ignition off and open the driver'sdoor.
XTo deactivate:switchonthe ignition.
When leaving the vehicle, always takethe
SmartKey with you and lock the vehicle.
Anyone can start the engineifavalid
SmartKey has been left inside the vehicle.
iThe immobilizer is always deactivated
when you start the engine.
In the event that the enginecannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Theft deterrent locking system73
Safety
Z

ContactanauthorizedMercedes-Benz
Centerorcall 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada).
ATA (anti-theftalarm system)
XTo arm:lockthe vehicle with the SmartKey
or KEYLESS-GO.
Indicator lampflashes. The alarm
system is armed after approximately
15 seconds.
XTo disarm:unlock the vehicle with the
SmartKey or KEYLESS-GO.
Avisual and audible alarm is triggeredifthe
alarm system is armed and you open:
Radoor
Rthe vehicle with the mechanical key
Rthe trunk lid
Rthe hood
XTo turn thealarmoff with the
SmartKey:press theorbutton
on the SmartKey.
The alarm is switched off.
or
XInsert the SmartKey intothe ignition lock.
The alarm is switched off.
XTo stop thealarmusing KEYLESS-GO:
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
XPress the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
iIf the alarm stays on for more than
30 seconds, the mbrace emergency call
system automatically sendsamessage to
the Customer Assistance Center by text
message or data connection.The
emergency call system sends the message
provided that:
Ryou have subscribed to the mbrace
service
Rthe mbrace service has been activated
properly
Rthe necessary mobile phone network is
available
74Theft deterrent locking system
Safety

If you do not open the vehicle within
approximately 40 seconds of unlocking:
Rthe vehicle is locked again.
Rthe theft deterrent locking system is
armed again.
XTo lockcentrally:pressthebutton.
The SmartKey centrally locks/unlocks:
Rthedoors
Rthetrunk lid
Rthefuel filler flap
The turnsignals flash oncewhen unlocking
and three times when locking.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Ypage 232).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Ypage 231).
KEYLESS-GO
General notes
Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle.
Locking/unlocking centrally
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a
conventional SmartKey. Unlock the vehicle
by using KEYLESS-GO, for instance, and lock
it using thebutton on the SmartKey.
When locking or unlocking with KEYLESS-GO,
the distance between the SmartKey and the
corresponding door handle must not be
greater than3ft(1m).
KEYLESS-GO checkswhetheravalid
SmartKey is in the vehicle by periodically
establishingaradio connection between the
vehicle and the SmartKey. This happens:
Rwhen the external door handles are
touched
Rwhen startingthe engine
Rwhile the vehicle is in motion
XTo unlock the vehicle:touch the inner
surface of the door handle.
XTo lock the vehicle:touch sensor
surface.
XConvenience closing feature:touch
recessed sensor surfacefor an
extended period.
XTo unlock the trunk lid:pull the handle on
the trunk lid.
Further information on the convenience
closing feature (Ypage 90).
Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door
and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you
frequently travel on your own.
XTo change the setting:press and hold
down theandbuttons on the
SmartKey simultaneously for
SmartKey77
Opening and closing
Z

approximately six seconds until thebattery
check lamp flashes twice (Ypage 79).
iIf thesettingofthelockingsystem is
changed within thesignal range of the
vehicle,pressingtheorbutton:
Rlocks or
Runlocksthevehicle
The SmartKey nowfunctionsasfollows:
XTo unlock thedriver's door:pressthe
buttononce.
XTo unlock centrally:pressthe
buttontwice.
XTo lock centrally:pressthebutton.
The KEYLESS-GO function is changed as
follows:
XTo unlock thedriver's door:touch the
inner surface of thedoor handle on the
driver'sdoor.
XTo unlock centrally:touch theinner
surface of thedoor handle on thefront-
passenger door or therear door.
XTo lock centrally:touch theoutersensor
surface on one of the door handles.
XTo restorethe factorysettings:press
and hold down theandbuttons
simultaneously for approximately six
seconds until the batterychecklamp
flashes twice (Ypage 79).
Mechanicalkey
General notes
If thevehicle can no longer be lockedor
unlocked withtheSmartKey, use the
mechanical key.
If you use themechanical keytounlock and
open thedriver'sdoor or thetrunk lid, the
anti-theftalarm system will be triggered
(Ypage 74).
There are several ways to turnoff the alarm:
XTo turn the alarm off with the
SmartKey:press theorbutton
on the SmartKey.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO:press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical
key, the fuel filler flapwill not be unlocked
automatically.
XTo unlock thefuel filler flap:insert the
SmartKey intothe ignition lock.
Removing themechanical key
Release catch
Mechanical key
XPush release catchin the direction of
the arrow and at the same timeremove
mechanical keyfromthe SmartKey.
78SmartKey
Opening and closing

Problems with the SmartKey
ProblemPossible causes/consequences andSolutions
You cannot lock or
unlock the vehicle
using the SmartKey.
The SmartKey battery is discharged or nearly discharged.
XTry again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press theor
button.
If this does not work:
XCheck the SmartKey battery (Ypage 79) and replace it if
necessary (Ypage 79).
XLock (Ypage 84) or unlock (Ypage 84) the vehicle using
the mechanical key.
The SmartKey is faulty.
XLock (Ypage 84) or unlock (Ypage 84) the vehicle using
the mechanical key.
XHave the SmartKey checked ataqualified specialist workshop.
You can no longer lock
or unlock the vehicle
using KEYLESS-GO.
There is interference fromapowerful source of radio waves.
XLock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press theorbutton.
There isamalfunction with KEYLESS-GO.
XLock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press theorbutton.
XHave KEYLESS-GO checked ataqualified specialist workshop.
If this does not work:
XCheck the SmartKey battery (Ypage 79) and replace it if
necessary (Ypage 79).
XLock (Ypage 84) or unlock (Ypage 84) the vehicle using
the mechanical key.
You have lost a
SmartKey.
XHave the SmartKey deactivated ataqualified specialist
workshop.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
You have lost the
mechanical key.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
SmartKey81
Opening and closing
Z