2014 MERCEDES-BENZ CLS-Class key battery

ATA (Anti-Thef
tAlarms ystem)
Activating/deactivating ...................74
Function .......................................... .74
Switching off the alarm ....................74
ATTENTIO NASSIST
Activating/deactivating .................228
Display message ............................ 251
Function/notes ............................. 203
Audio system
see separate operating instructions
Authorized Mercedes-Benz Center
see Qualified specialist workshop
AUTO lights
Display message ............................ 247
see Lights
Automatic engine start (ECO start/
stop function) .................................... 152
Automatic engine switch-off (ECO
start/stop function) ..........................151
Automatic headlamp mode ..............117
Automatic transmission Automatic drive program ...............160
Changing gea r............................... 158
DIRECT SELECT leve r..................... 155
Display message ............................ 260
Drive program displa y.................... 156
Driving tips .................................... 158
Emergency running mode ..............164
Engaging drive position .................. 158
Engaging neutra l............................ 157
Engaging par kposition (AMG
vehicles) ........................................ 157
Engaging revers egear ................... 157
Engaging the par kposition ............ 156
Kickdow n....................................... 159
Manual drive program ....................161
Manual drive program (AMG
vehicles) ........................................ 162
Manual drive program (vehicles
with Sports package AMG) ............162
Overview ........................................ 155
Problem (malfunction) ...................164
Progra mselecto rbutton ................ 159
Pulling away ................................... 150
Selector leve r................................ 155
Shift range s................................... 162
Starting the engine ........................149
Steering wheel paddle shifters ......160 Transmission position displa
y........ 155
Transmissio nposition display
(DIRECT SELECT lever) ...................1 56
Transmissio npositions .................. 158
Automatic transmission
emergency mode ............................... 164 B
Backup lamp Changing bulbs .............................. 125
Bag hook ............................................ 283
BAS (Brake Assist System) .................67
BAS PLU S(Brake Assist System
PLUS) .................................................... 67
Battery (SmartKey) Checking .......................................... 79
Important safety notes ....................79
Replacing ......................................... 79
Battery (vehicle)
Charging ........................................ 324
Display message ............................ 250
Important safety notes ..................322
Jump starting ................................. 326
Belt force limiter
Activatio n......................................... 59
Function .......................................... .59
Blind Spo tAssist
Activating/deactivating .................228
Display message ............................ 254
Notes/function .............................. 207
see Active Blind Spot Assist
Bottle holder ...................................... 285
Brake fluid Display message ............................ 240
Notes ............................................. 376
Brake lamps
Display message ............................ 246
Brakes
ABS .................................................. 66
BAS .................................................. 67
BAS PLUS ........................................ 67
Brake fluid (notes) .........................376
Display message ............................ 238
Driving tips .................................... 172
High-performance brake system ....173
Important safety notes ..................172
Maintenance .................................. 173 Index
5

Setting the air distribution
...............138
Settin gthe airflow ............................ 139
SETUP (on-board computer) .............234
Side impact air bag .............................45
Side marker lamp (display
message) ............................................ 247
Side windows Cleaning ......................................... 314
Convenience closing feature ............90
Convenience opening feature ..........89
Important safety information ...........88
Opening/closing .............................. 89
Problem (malfunction) .....................92
Resetting ......................................... 91
Sliding sunroof
Important safety notes ....................92
Opening/closing .............................. 93
Problem (malfunction) .....................95
Resetting ......................................... 94
SmartKey
Changing the battery .......................79
Changing the programming .............77
Checking the battery .......................79
Convenience closing feature ............90
Convenience opening feature ..........89
Display message ............................ 262
Door central locking/unlocking .......76
Important safety notes ....................76
Loss ................................................. 81
Mechanical key ................................ 78
Positions (ignition lock) .................147
Problem (malfunction) .....................81
Starting the engine ........................149
Sno wchains ...................................... 337
Sockets Center console .............................. 289
General notes ................................ 289
Rea rcompartmen t......................... 290
Trunk ............................................. 290
Under the armrest .........................289
Spare wheel
Stowing .......................................... 368
Specialist workshop ............................ 26
Special seat bel tretractor .................. 63
Speed ,controlling
see Cruise control Speedometer
Digital ............................................ 223
In the Instrument cluster .........31, 219
Segments ...................................... 220
Selecting the unit of
measurement ................................ 229
see Instrument cluster
SPORT handling mode
Activating/deactivating (AMG
vehicles) .......................................... 70
Warning lamp ................................. 270
SRS (Supplemental Restraint
System)
Display message ............................ 242
Introduction ..................................... 41
Warning lamp ................................. 272
Warning lamp (function) ................... 41
Standin glamps
Display message ............................ 246
Switching on/off ........................... 119
Start/stop function
see ECO start/stop function
Starting (engine) ................................ 149
Steering (display message) ..............262
Steering wheel Adjusting (electrically). ..................106
Button overview ............................... 33
Buttons (on-board computer) ......... 220
Cleaning ......................................... 316
Important safety notes ..................106
Paddle shifters ............................... 160
Steering wheel heating ..................107
Storing settings (memory
function) ........................................ 112
Steering wheel heating
Problem (malfunction) ...................108
Switching on/off ........................... 107
Steering wheel paddle shifters ........160
Stopwatch (RACETIMER) ................... 235
Stowage areas ................................... 278
Stowage compartments Armrest (under) ............................. 280
Center console .............................. 279
Cuph olders ................................... 284
Eyeglasses compartment ...............279
Glove box ...................................... .279
Important safety information .........278
Rea r............................................... 28116
Index

In order to maintain the appropriat
edistance
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 conditionsm ay cause
unnecessar ywarning sortheunnecessary
intervention of PRE-SAFE ®
Brake.
Followin gdamag etothe front end of the
vehicle, have the configuratio nand operation
of the rada rsensor schecked at aqualified
specialist workshop. This also applies to
collisions at low speeds where ther eisno
visible damage to the fron tofthe vehicle.
Function X
To activate/deactivate: activate or
deactivate PRE-SAFE ®
Brake in the on-
board computer (Y page 228).
If the PRE-SAFE ®
Brake is not activated, the
0001 symbol appears in the multifunction
display.
If you approach avehicle in front very quickly,
this function warns you from aspeed of
approximately 4mph (7 km/h). An
intermittent warning tone sounds and the
0008 distance warning signal lamp in the
instrumentc luster lightsup.
X Brake immediately to defuse the situation.
or
X Take evasiv eaction provided it is safe to do
so.
Fro mas peed of approximately 4mph
(7 km/h), if the driver and fron tpassenger
have fastened their seat belts, PRE-SAFE ®
Brak ecan brake the vehicle automatically at
speeds up to approximately 124 mph
(200 km/h).
You can preven tthe intervention of the PRE-
SAFE ®
Brak eata ny time by:
R depressin gthe accelerator pedal further.
R activating kickdown.
R releasing the brake pedal. The brakin
gaction of PRE-SAFE ®
Brak eis
ended automatically if:
R you maneuver to avoid the obstacle.
R ther eisnol onger any danger of arear-end
collision.
R ther eisnol onger an obstacle detected in
fron tofy our vehicle.
If you approach an obstacle and PRE-SAFE ®
Brak edetects arisk of acollision, the system
will alert you both visually and acoustically. If
you do not brake or tak eevasive action ,the
system will warn you by automatically braking
the vehicle gently. If ther eisanincreased risk
of collision, preventative passenger
protection measures (PRE-SAFE ®
)a re
activated (Y page 54). Ifarisk of collision
remains at speeds of over 20 mph
(30 km/h) and you do not brake, tak eevasive
action or significantly accelerate, automatic
brakin gmay be performed up to and including
emergency braking. Automatic emergency
brakin gisnot performed until immediately
prior to an acciden tthat can no longer be
avoided. Thef
tdeterrent locking system Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
X To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X To activate with KEYLESS-GO: switchthe
ignition off and open the driver' sdoor.
X To deactivate: switchont he ignition.
When leaving the vehicle, always tak ethe
SmartKey with you and lock the vehicle.
Anyone can start the engin eifavalid
SmartKey has been left inside the vehicle.
i The immobilizer is always deactivated
when you start the engine.
In the event that the engin ecannot be
started when the starter battery is fully
charged, the immobilizer may be faulty. Theft deterrent locking system
73Safety Z

approximately six seconds until th
ebattery
check lamp flashes twice (Y page 79).
i If th esettin goft helockin gsystem is
changed within th esignal range of the
vehicle ,pressin gthe 000F or0014 button:
R locks or
R unlock sthe vehicle
The SmartKey no wfunction sasfollows:
X To unlock th edriver's door: pressthe
0014 buttononce.
X To unlock centrally: pressthe 0014
butto ntwice.
X To lock centrally: pressthe 000F button.
The KEYLESS-GO function is changed as
follows:
X To unlock th edriver's door: touch the
inner surface of th edoor handle on the
driver' sdoor.
X To unlock centrally: touch theinner
surface of th edoor handle on th efront-
passenger door or th erear door.
X To lock centrally: touch theoute rsensor
surface on one of the door handles.
X To restor ethe factor ysettings: press
and hold down the 0014and000F buttons
simultaneously for approximately six
seconds until the batter ychec klamp
flashes twice ( Ypage 79). Mechanica
lkey
General notes If th
evehicle can no longer be locke dor
unlocked wit hthe SmartKey, use the
mechanical key.
If you use th emechanical ke ytou nlock and
open th edriver' sdoor or th etrunk lid, the
anti-thef talarm system will be triggered
(Y page 74). There are several ways to tur
noff the alarm:
X To turn the alarm off with the
SmartKey: press the0014or000F button
on the SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
X Lock 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 fla pwill not be unlocked
automatically.
X To unlock th efuel filler flap: insert the
SmartKey int othe ignition lock.
Removing th emechanical key 001A
Release catch
0010 Mechanical key
X Push release catch 001Ain the direction of
the arrow and at the same tim eremove
mechanical key 0010fromt he SmartKey. 78
SmartKeyOpening and closing

SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and corrosive
substances. If batteries are swallowed, it can
result in severe health problems. There is a
risk of fatal injury.
Keep batteries out of the reach of children. If
ab attery is swallowed, seek medical attention
immediately.
Mercedes-Benz recommends that you have
the batteries replaced at aqualified specialist
workshop.
Checking the battery X
Press the 000For0014 button.
The battery is working properly if battery
check lamp 001Alights up briefly.
The battery is discharged if battery check
lamp 001Adoes not light up briefly.
X Change the battery (Y page 79).
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the 000For0014 button:
R locks or
R unlocks the vehicle
i You can get abattery at any qualified
specialist workshop. Replacing the battery You require
aCR20253Vc ell battery.
X Take the mechanical key out of the
SmartKey (Y page 78). 001A
Battery compartmen tcover
0010 Mechanical key
X Press mechanical key 0010into the opening
in the SmartKey in the direction of the
arrow until battery compartmen tcover 001A
opens. Do not hold battery compartment
cover 001Aclosed while doing so.
X Remove battery compartmen tcover 001A. 0024
Battery
X Repeatedly tap the SmartKey against your
palm until battery 0024falls out.
X Insert the new battery with the positive
terminal facing upwards. Use alint-free
cloth to do so.
X Make sure that the surface of the battery is
free of lint, grease and other contaminants. SmartKey
79Opening and closing Z

X
Insert the front tabs of battery
compartment cover 001Ainto the housing
first and then press to close it.
X Insert mechanical key 0010into the
SmartKey (Y page 78).
X Check the function of all SmartKey buttons
on the vehicle. 80
SmartKeyOpening and closing

Problems with the SmartKey
Problem Possible causes/consequences and
000B Solutions
You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try 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 the 0014or
000F button.
If this does not work:
X Check the SmartKey battery (Y page 79) and replace it if
necessary (Y page 79).
X Lock (Y page 84) or unlock (Y page 84) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock (Y page 84) or unlock (Y page 84) the vehicle using
the mechanical key.
X Have the SmartKey checked at aqualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. There is interference from
apowerful source of radio waves.
X 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 the 0014or000F button. There is
amalfunction with KEYLESS-GO.
X 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 the 0014or000F button.
X Have KEYLESS-GO checked at aqualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 79) and replace it if
necessary (Y page 79).
X Lock (Y page 84) or unlock (Y page 84) the vehicle using
the mechanical key. You have lost a
SmartKey. X
Have the SmartKey deactivated at aqualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. SmartKey
81Opening and closing Z

Problem Possible causes/consequences and
000B Solutions
The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 324).
or
X Jump-start the vehicle (Y page 326).
or
X Consult aqualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. Ad
oor is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again. There is interferenc
efrom apowerful source of radio waves.
X Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shiftin gthe automatic transmission out of
park position P
R Start the engine.
There is arisk of an accident and injury.
When leaving the vehicle, alwayst ake the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is arisk of injury, possibly even
fatal. Never leave children unattended in the
vehicle. Unlocking and opening doors from
the inside
You can open adoor from inside the vehicle
even if it has been locked. If the vehicle has
been locked with the SmartKey or with
KEYLESS-GO, opening adoor from the inside
will trigger the anti-theft alarm system.
Switch off the alarm (Y page 74).
You can only open the rear doors from inside
the vehicle if they are not secured by the
child-proof locks (Y page 65).82
DoorsOpening and closing