2014 MERCEDES-BENZ CLA sensor

C
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Carpets..........................................291
Car wash ........................................ 285
Display...........................................290
Exhaustpipe..................................289
Exterior lights................................288
Gearorselectorlever....................290
Interior...........................................290
Matte finish...................................287
Notes.............................................285
Paint..............................................287
Plastic trim....................................290
Power washer................................286
Rearview camera..........................289
Roof lining ...................................... 291
Seat belt........................................291
Seat cover.....................................291
Sensors.........................................289
Steering wheel...............................290
Trim pieces....................................290
Washing by hand...........................286
Wheels...........................................287
Windows........................................288
Wiper blades..................................288
Wooden trim..................................290
Cargo compartment enlargement...257
Cargo tie down rings.........................258
Car wash (care).................................285
Center console
Lowersection..................................33
Uppersection..................................32
Central locking
Automatic locking (on-board
computer)......................................208
Locking/unlocking (SmartKey)........72
Changing bulbs
Brake lamps...................................114
Cornering light function.................113
High-beam headlamps...................113
Low-beam headlamps....................112
Rearfog lamp................................114
Reversing lamps............................114
Turn signals (front) ......................... 113
Turn signals (rear)..........................114
Child-proof locks
Important safety notes....................60
Reardoors.......................................60
Children
In the vehicle...................................54
Restraint systems............................54
Specialseat belt retractor...............57
Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 58
On the front-passenger seat............57
Top Tether.......................................59
Cigarette lighter................................262
Climate control
Automatic climate control.............121
Automatic climate control (dual-
zone) .............................................. 123
Controlling automatically...............127
Cooling with airdehumidification..125
Defrosting the windows.................129
Defrosting the windshield..............129
Important safety notes..................120
Indicator lamp ................................ 127
Maximum cooling..........................129
Notes on using automatic climate
control...........................................124
Notes on using dual-zone
automatic climate control..............122
Overview of systems......................120
Problems with cooling with air
dehumidification............................127
Problem with the rear window
defroster........................................131
Refrigerant.....................................350
Refrigerant filling capacity.............351
Setting the airdistribution.............128
Setting the airflow.........................128
Setting the airvents......................132
Setting the temperature................127
Switching air-recirculation mode
on/off............................................131
Switching on/off...........................125
Switching residual heaton/off......131
6Index

Switching the daytime running
lamps on/off(switch)....................105
Switching the exteriorlighting
delayed switch-off on/off (on-
board computer)............................207
Switching the surround lighting
on/off (on-board computer)..........207
Turn signals...................................106
see Interior lighting
see Replacing bulbs
Light sensor (display message).......226
Loading guidelines............................254
Locking
see Centrallocking
Locking (doors)
Automatic........................................79
Emergency locking ........................... 79
From inside (central locking
button).............................................78
Locking centrally
see Centrallocking
Locking verification signal (on-
board computer)...............................208
Low-beam headlamps
Changing bulbs..............................112
Display message............................223
Setting for driving abroad
(symmetrical).................................104
Switching on/off...........................105
Lumbar support
Adjusting the 4-way lumbar
support............................................94
M
M+S tires............................................ 314
Malfunction message
see Display messages
Matte finish (cleaning instructions)287
mbrace
Call priority....................................268
Display message............................219
Downloading destinations
(COMAND).....................................268
Downloading routes.......................272
Emergency call..............................265
General notes................................264
Geo fencing...................................272
Locatingastolen vehicle...............270
MB info call button........................267
Remote vehicle locking..................270
Roadside Assistance button..........266
Search&Send...............................269
Self-test.........................................265
Speed alert....................................272
System..........................................264
Triggering the vehicle alarm ........... 272
Vehicle remote malfunction
diagnosis.......................................271
Vehicle remote unlocking..............270
Mechanical key
Function/notes ................................ 73
Locking vehicle................................79
Unlocking the driver's door..............79
Memory card (audio).........................200
Memory function...............................100
Message memory (on-board
computer)..........................................212
Messages
see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Menu (on-board computer)............201
Modifying the programming
(SmartKey)...........................................73
MOExtendedtires.............................. 295
Mounting wheels
Loweringthe vehicle......................340
Mountinganew wheel...................339
Preparing the vehicle.....................336
Raising the vehicle.........................337
Removingawheel..........................339
Securing the vehicle against
rolling away...................................337
MP3
Operation ....................................... 200
see separate operating instructions
Multifunction display
Function/notes.............................196
Permanent display.........................206
Multifunction steering wheel
Operating the on-board computer.195
Overview..........................................31
12Index

PARKTRONIC
Deactivating/activating.................177
Driving system...............................175
Function/notes.............................175
Important safety notes..................175
Problem (malfunction)...................178
Range of the sensors.....................175
Warning display.............................176
PASSENGERAIR BAG OFF
Problems (malfunction) .................. 222
PASSENGER AIR BAG OFF indicator
lamp...................................................... 45
Plastic trim (cleaning instructions).290
Power washers..................................286
Power windows
see Side windows
Program selector button..................146
Protection of the environment
General notes..................................21
Pulling away
Automatic transmission.................138
Q
Qualifiedspecialistworkshop...........25
R
RACE START (AMG vehicles).............173
RACETIMER (on-board computer)....210
Radar sensor system
Activating/deactivating.................208
Display message............................230
Radio
Selectingastation.........................200
see separate operating instructions
Radio-wave reception/
transmission in the vehicle
Declarationofconformity................24
Reading lamp.....................................110
Rear compartment
Setting the airvents......................133
Rear fog lamp
Changing bulbs..............................114
Display message............................225
Switching on/off...........................106
Rear lamps
see Lights
Rear seats
Folding the backrestforwards/
back ............................................... 258
Rear view camera
Cleaning instructions.....................289
Function/notes.............................182
Switching on/off...........................183
Rear-view mirror
Anti-glare (manual)..........................97
Dipping (automatic).........................99
Rear window defroster
Problem (malfunction)...................131
Switching on/off...........................130
Refrigerant (air-conditioning
system)
Important safety notes..................350
Refueling
Fuel gauge.......................................29
Important safety notes..................151
Notes for AMG vehicles.................346
Refueling process..........................152
see Fuel
Remote control
Garage door opener.......................273
Programming (garage door opener) 273
Replacing bulbs
Important safety notes..................111
Overview of bulbtypes..................111
Removing/replacing the cover
(front wheel arch)..........................112
Reporting safety defects....................26
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message............................228
Warning lamp ................................. 248
see Fuel
Residual heat (climate control)........131
Restraint system
see SRS (Supplemental Restraint
System)
Reverse gear (selector lever)...........144
Reversing feature
Panorama sliding sunroof................86
Roller sunblinds...............................87
Side windows...................................83
Roadside Assistance (breakdown)....23
14Index

Rollersunblind
Opening/closing..............................87
Panorama roof with power tilt/
sliding panel ..................................... 87
Roof carrier........................................259
Roof lining and carpets (cleaning
guidelines).........................................291
Roof load (maximum)........................351
Route (navigation)
see Route guidance (navigation)
Route guidance (navigation)............199
S
Safety
Childreninthe vehicle.....................54
Child restraint systems....................54
Occupant Classification System
(OCS)...............................................45
Safety system
see Driving safety systems
Seat
Adjusting (Performance Seat)..........96
Seat belts
Adjusting the height ......................... 52
Belt force limiters............................53
Cleaning ......................................... 291
Correct usage..................................50
Emergency Tensioning Devices ........53
Fastening.........................................51
Important safety guidelines.............50
Releasing.........................................52
Safety guidelines.............................40
Warning lamp ................................. 240
Warning lamp (function) ................... 52
Seats
Adjusting (electrically).....................93
Adjusting (manually)........................92
Adjusting the 4-way lumbar
support............................................94
Adjusting the head restraint............93
Cleaning the cover.........................291
Correct driver's seat position ........... 90
Folding the backrest (rear
compartment) forwards/back.......258
Important safety notes....................91
Seat heating problem......................96
Storing settings (memory function) 100
Switching seatheating on/off.........95
Sensors (cleaning instructions).......289
Service menu (on-board computer).205
Service products
Brake fluid.....................................348
Coolant (engine)............................349
Engine oil.......................................348
Fuel ................................................ 346
Important safety notes..................345
Refrigerant (air-conditioning
system)..........................................350
Washer fluid ...................................350
Service work
see ASSYST PLUS
Settings
Factory (on-board computer).........209
On-board computer.......................205
Setting the air distribution...............128
Setting the airflow............................128
SETUP (on-board computer).............210
Side impact air bag.............................44
Side marker lamp (display
message)............................................ 225
Side windows
Cleaning ......................................... 288
Convenience closing feature............84
Convenience opening feature..........84
Important safety information...........82
Opening/closing..............................83
Problem (malfunction).....................85
Resetting.........................................84
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery.......................74
Changing the programming.............73
Checking the battery.......................74
Convenience closing feature............84
Convenience opening feature..........84
Display message............................240
Door central locking/unlocking.......72
Important safety notes....................72
Loss.................................................76
Mechanical key................................73
Positions (ignition lock).................137
Index15

Protection of the environment
General notes
HEnvironmental note
Daimler's declared policy is one of
comprehensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet to be used sparingly and in a manner
that takes the requirements of both nature
and humanity into account.
You too can help to protect the environment
by operating your vehicle in an
environmentally responsible manner.
Fuel consumption and the rate of engine,
transmission, brake and tire wear are affected
by these factors:
Roperating conditions of your vehicle
Ryour personal driving style
You can influence both factors. You should
bear the following in mind:
Operating conditions:
Ravoid short trips as these increase fuel
consumption.
Ralways make sure that the tire pressures
are correct.
Rdo not carry any unnecessary weight.
Rremove roof racks once you no longer need
them.
Ra regularly serviced vehicle will contribute
to environmental protection. You should
therefore adhere to the service intervals.
Ralways have service work carried out at a
qualified specialist workshop.
Personal driving style:
Rdo not depress the accelerator pedal when
starting the engine.
Rdo not warm up the engine when the vehicle
is stationary.
Rdrive carefully and maintain a safe distance
from the vehicle in front.
Ravoid frequent, sudden acceleration and
braking.
Rchange gear in good time and use each gear
only up to
of its maximum engine speed.
Rswitch off the engine in stationary traffic.
Rkeep an eye on the vehicle's fuel
consumption.
Environmental concerns and
recommendations
Wherever the operating instructions require
you to dispose of materials, first try to
regenerate or re-use them. Observe the
relevant environmental rules and regulations
when disposing of materials. In this way you
will help to protect the environment.
Genuine Mercedes-Benz parts
HEnvironmental note
Daimler AG also supplies reconditioned major
assemblies and parts which are of the same
quality as new parts. They are covered by the
same Limited Warranty entitlements as new
parts.
!Air bags and Emergency Tensioning
Devices, as well as control units and
sensors for these restraint systems, may be
installed in the following areas of your
vehicle:
Rdoors
Rdoor pillars
Rdoor sills
Rseats
Rcockpit
Rinstrument cluster
Rcenter console
Do not install accessories such as audio
systems in these areas. Do not carry out
repairs or welding. You could impair the
operating efficiency of the restraint
systems.
Introduction21
Z

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 note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
iRead the information on qualified
specialist workshops: (Ypage 25).
Panic alarm
XTo activate:pressbuttonfor at
least one second.
An alarm sounds and the exterior lighting
flashes.
XTo deactivate:pressbutton
again.
or
XInsert the SmartKey into the ignition lock.
Occupant safety
Important safety notes
GWARNING
Modifications to the restraint systems could
result in them not functioning properly any
more. The restraint systems could then no
longer protect vehicle occupants as they are
designed to do and could fail in the eventof
an accident or activate unexpectedly, for
example. There is an increased risk of injury.
Never modify parts of the restraint systems.
Do notattemptto modify the wiring as well as
electronic components or their software.
If it is necessary to modify an air bag system
to accommodate a person 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 consists of:
RSeat belts
RChild restraint systems
RLATCH-type (ISOFIX) child seat securing
system
Additional protection is provided by:
RSRS (Supplemental Restraint System)
RAir bag system components with the
PASSENGER AIR BAG OFF indicator lamp
Although the systems are independent, their
protective functions work in conjunction with
each other. Not all air bags are always
deployed in an accident.
iFor information on infants and children
traveling with you in the vehicle restraint
systems for infants and children, see
"Children in the vehicle" (Ypage 54).
SRS (Supplemental Restraint System)
Introduction
Supplemental Restraint System (SRS) with:
RTheSRS warning lamp
RAir bags
RAir bag control unit (with crash sensors)
38Occupant safety
Safety

function for the vehicle occupants in the
event of a crash.
iAfter an airbag has been deployed, have
the vehicle towed to the nearestqualified
specialist workshop, evenifyour vehicle is
ready to drive.
Front air bags
Driver's air bagdeploys in front of the
steering wheel; front-passenger front air
bagdeploys in front of and above the glove
box.
The front air bags increase protection for the
driver's and front passenger's head and
chest.
They are deployed:
Rat the start of an accident with a high rate
of vehicle acceleration or deceleration in a
longitudinal direction
Rif the system determines that air bag
deployment can offer additional protection
to that provided by the seat belt
Rdepending on whether the seat belt is being
used
Rindependently of other air bags in the
vehicle
If the vehicle rolls over, the front air bags are
generally not deployed.
Your vehicle has adaptive, two-stage front air
bags. The air bag control unit evaluates
vehicle deceleration or acceleration in the
event of a collision. In the first deployment
stage, the front air bag is filled with part of the
total available propellant gas, thereby
reducing the risk of injury. If the air bag
control unit recognizes within a few
milliseconds that the vehicle is being braked
or accelerated faster than originally
predicted, the front air bag is filled with the
maximum amount of propellant gas available.
The deployment of the front-passenger front
air bag is also influenced by the weight
category of the front passenger, which is
determined by the Occupant Classification
System (OCS) (Ypage 45).
The lighter the passenger-side occupant, the
higher the vehicle deceleration rate required
(predicted at the start of the impact) for
second stage inflation of the front-passenger
front air bag. In the second stage, the front
air bags are inflated with the maximum
amount of propellant gas available.
The front air bags are not deployed in
situations where a low impact severity is
predicted. You will then be protected by the
fastened seat belt.
The front-passenger front air bag will only
deploy if:
Rthe system, based on the OCS weight
sensor readings, detects that the front-
passenger seat is occupied
Rthe PASSENGER AIR BAG OFF indicator
lamp on the center console is not lit
(Ypage 45)
Rthe air bag control unit predicts a high
impact severity
Knee bags
Occupant safety43
Safety
Z

Driver's knee bagdeploys underneath the
steering column and front-passenger knee
bagunderneath the glove box. They
deploy together with the front airbags. They
are designed to operate together with the
front air bags in frontal impacts if certain
thresholds are exceeded. The knee bags
operate at best in conjunction with correctly
positioned and fastened seat belts.
Knee bags provide increased protection for
the driver and frontpassenger against the risk
of:
Rknee injuries
Rthigh injuries
Rlower leg injuries
Side impact air bags
GWARNING
Using unsuitable seat coverscould restrictor
even preventdeployment of the air bags
integrated into the seats. Consequently, the
air bags cannot protectvehicle occupants as
they are designed to do. In addition, the
function of the air bag deactivation system
could be restricted. This poses an increased
risk of injury or even fatal injury.
You should only use seat covers that have
been approved for the respective seat by
Mercedes-Benz.
GWARNING
Sensors to control the air bags are located in
the doors. Modifications or work not
performed correctly to the doors or door
paneling, as well as damaged doors, can lead
to the function of the sensors being impaired.
The air bags might therefore not function
properly any more. Consequently, the air bags
cannot protectvehicle occupants as they are
designed to do. There is an increased risk of
injury.
Never modify the doors or parts of the doors.
Always have work on the doors or door
paneling carried out at a qualified specialist
workshop.
You should only use seat covers that have
been approved for your vehicle by Mercedes-
Benz.The seat covers must have a special
tear seam for side impact air bags. Otherwise,
the side impact air bags cannot deploy
correctly and therefore cannot provide the
intended protection in the event of an
accident.
Front side impact air bagsand rear side
impact air bagsdeploy next to the outer
seat cushions.
When deployed, the side impact air bags offer
additional protection of the thorax for
occupants on the front seats as well as also
of the pelvis for the vehicle occupants on the
side of the vehicle on which the impact
occurs. However, they do not protect the:
Rhead
Rneck
Rarms
The side impact air bags are deployed:
Ron the side on which an impact occurs
Rat the start of an accident with a high rate
of lateral vehicle deceleration or
acceleration, e.g. inaside impact
Rindependently of the use of the seat belt
Rindependently of the front air bags
Rindependently of the ETDs
If the vehicle rolls over, the side impactair
bags are generally not deployed. Side impact
air bags are deployed if the system detects
high vehicle deceleration or acceleration in a
lateral direction and determines that side
impactair bag deploymentcan offer
44Occupant safety
Safety