2013 MERCEDES-BENZ CLA ECU

Symbols
In this manual, you will find the following sym-
bols:GWARNING
Warning notices draw your attention to haz-
ards that may endanger your health or life, or
the health or life of others.
HEnvironmental note
Environmental notes provide you with infor-
mation on environmentally aware actions or
disposal.
! Notes on material damage alert you to
dangers that could lead to damage to your
vehicle.
i These symbols indicate useful instruc-
tions or further information that could be
helpful to you.
XThis symbol designates an instruc-
tion you must follow.XSeveral consecutive symbols indi-
cate an instruction with several
steps.( Y page)This symbol tells you where you
can find further information on a
topic.YYThis symbol indicates a warning or
an instruction that is continued on
the next page.DisplayThis text indicates a message on
the multifunction/COMAND dis-
play.
Parts of the software in the vehicle are pro-
tected by copyright ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.

Engine number ............................... 336
Jump-starting ................................. 306
Running irregularly .........................150
Starting problems ..........................150
Starting the engine with the key ....146
Stopping ........................................ 162
Tow-starting (vehicle) ..................... 311
Warning lamp (engine diagnostics) 262
Engine electronics
Notes ............................................. 334
Problem (fault) ............................... 150
Engine jump starting
see Jump starting (engine)
Engine oil
Additives ........................................ 341
Checking the oil level ..................... 284
Checking the oil level using the
dipstick .......................................... 284
Display message ............................ 242
Filling capacity ............................... 340
Notes about oil grades ................... 340
Notes on oil level/consumption ....284
Topping up ..................................... 285
Viscosity ........................................ 341
Environmental protection
Returning an end-of-life vehicle .......21
ESP ®
(Electronic Stability Pro-
gram) Deactivating/activating .................218
Deactivating/activating (notes) .......69
Display message ............................ 227
ETS .................................................. 68
Function/notes ......................... 68, 69
General notes .................................. 68
Important safety guidelines .............68
Trailer stabilisation ..........................70
Warning lamp ................................. 258
ETS (Electronic Traction System) ....... 68
Exhaust pipe (cleaning instructions) 292
Exterior lighting Settings options ............................. 106
see Lights
Exterior mirrors
Adjusting ....................................... 101
Anti-dazzle mode (automatic) ........102
Folding in/out (automatically) .......102
Folding in/out (electrically) ...........101Folding in when locking (on-board
computer) ...................................... 225
Out of position (troubleshooting) ...102
Parking position ............................. 102
Resetting ....................................... 102
Storing settings (memory function) 103
F
Fault message see Display messages
Filler cap
see Fuel filler flap
Fire extinguisher ............................... 297
First-aid kit ......................................... 296
Fitting a wheel Removing a wheel ..........................328
Fitting wheels
Fitting a wheel ............................... 328
Lowering the vehicle ......................328
Preparing the vehicle .....................325
Raising the vehicle .........................326
Securing the vehicle against roll-
ing away ........................................ 326
Flat tyre
MOExtended tyres .........................298
Preparing the vehicle .....................298
TIREFIT kit ...................................... 299
see Emergency spare wheel
Floormat ............................................. 279
Foglamps Extended range .............................. 111
Switching on/off ........................... 108
Frequencies
Mobile phone ................................. 334
Two-way radio ................................ 334
Front foglamps
Display message ............................ 238
Fuel
Additives ........................................ 338
Consumption information ..............339
Consumption statistics ..................211
Displaying the current consump-
tion ................................................ 212
Displaying the range ......................212
E10 ................................................ 337
Fuel gauge ....................................... 30
Grade (petrol) ................................ 337
10Index

Overview ........................................ 113
Reading lamp ................................. 113
Setting the ambient lighting
brightness (on-board computer) ....222
Interior motion sensor ........................ 72
ISOFIX child seat securing system .... 54
J
Jack Storage location ............................ 297
Using ............................................. 326
Jump starting (engine) ...................... 306
K
Key Changing the battery .......................79
Checking the battery .......................78
Convenience closing feature ............88
Convenience opening feature ..........88
Display message ............................ 254
Door central locking/unlocking .......77
Emergency key element ................... 77
Important safety notes ....................76
Loss ................................................. 80
Modifying the programming .............77
Positions (ignition lock) .................145
Problem (malfunction) .....................80
Starting the engine ........................146
Key positions (ignition lock) ............ 145
Kickdown Driving tips .................................... 155
Manual drive program ....................157
Kneebag ............................................... 44
L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating .................219
Display message ............................ 244
Function/information ....................199
Lane package ..................................... 197
Lashing eyelets ................................. 272
Licence plate lamp (display mes-
sage) ................................................... 238
Lights
Activating/deactivating the Intel-
ligent Light System ........................221
Activating/deactivating the inte-
rior lighting delayed switch-off .......222
Active light function .......................110
Automatic headlamp mode ............107
Cornering light function .................111
Dipped-beam headlamps ...............107
Display message ............................ 236
Driving abroad ............................... 106
Foglamps ....................................... 108
Foglamps (extended range) ...........111
Hazard warning lamps ...................110
Headlamp flasher ........................... 109
Headlamp range ............................ 108
Light switch ................................... 107
Main-beam headlamps ................... 109
Motorway mode ............................. 111
Parking lamps ................................ 108
Rear foglamp ................................. 108
Setting the ambient lighting
brightness (on-board computer) ....222
Side lamps ..................................... 108
Switching Adaptive Highbeam
Assist on/off ................................. 221
Switching the daytime driving
lights on/off (on-board computer) . 220
Switching the daytime driving
lights on/off (switch) .....................107
Switching the exterior lighting
delayed switch-off on/off (on-
board computer) ............................ 222
Switching the surround lighting
on/off (on-board computer) ..........222
Turn signals ................................... 109
see Interior lighting
see Replacing bulbs
Light sensor (display message) ....... 239
LIM indicator lamp Cruise control ................................ 169
DISTRONIC PLUS ........................... 174
Variable SPEEDTRONIC .................171
Limiting the speed
see SPEEDTRONIC
Loading guidelines ............................ 268
Locking see Central locking 12Index

Securing from rolling away ............326
Towing away .................................. 308
Tow-starting ................................... 308
Transporting .................................. 311
Unlocking (in an emergency) ...........83
Unlocking (key) ................................ 77
Vehicle data ................................... 343
Vehicle data ....................................... 343
Vehicle dimensions ........................... 343
Vehicle emergency locking ................ 84
Vehicle identification number see VIN
Vehicle identification plate .............. 336
Vehicle maintenance see ASSYST PLUS
Vehicle tool kit .................................. 297
Vehicle weights ................................. 343
Video (DVD) ........................................ 215
Video DVD (on-board computer) ...... 215
VIN ...................................................... 336
W
Warning and indicator lamps ABS ................................................ 256
Brakes ........................................... 256
Distance warning signal .................264
ESP ®
.............................................. 258
ESP ®
OFF ....................................... 259
Fuel tank ........................................ 262
LIM (cruise control) ........................ 169
LIM (DISTRONIC PLUS) ..................174
LIM (variable SPEEDTRONIC) .........171
Overview .......................................... 32
PASSENGER AIRBAG OFF ................53
Reserve fuel ................................... 262
Seat belt ........................................ 255
SRS ................................................ 261
Tyre pressure monitor ...................265
Warning triangle ................................ 296
Washer fluid Display message ............................ 254
Wheel bolt tightening torque ........... 328
Wheel chock ...................................... 326
Wheels Changing/replacing .......................324
Changing a wheel .......................... 324
Checking ........................................ 317
Cleaning ......................................... 289
Cleaning (warning) .........................325
Emergency spare wheel .................331
Fitting a new wheel ........................328
Fitting a wheel ............................... 325
Important safety notes ..................316
Removing a wheel ..........................328
Storing ........................................... 325
Tightening torque ........................... 328
Wheel size/tyre size ......................329
Windowbag
Display message ............................ 236
Operation ......................................... 45
Windows
Cleaning ......................................... 290
see Side windows
Windscreen
Demisting ...................................... 132
see Windscreen
Windscreen washer fluid
see Windscreen washer system
Windscreen washer system
Notes ............................................. 342
Topping up ..................................... 286
Windscreen wipers
Display message ............................ 254
Problem (malfunction) ...................121
Replacing the wiper blades ............119
Switching on/off ........................... 118
Winter driving
General notes ................................ 318
Winter operation
Slippery road surfaces ...................168
Snow chains .................................. 319
Winter tyres
Limiting the speed (on-board com-
puter) ............................................. 223
M+S tyres ...................................... 318
Wiper blades
Cleaning ......................................... 291
Important safety notes ..................119
Replacing (windscreen) ..................119
Wooden trim (cleaning instructions) 293
Workshop see Qualified specialist workshop Index19

Do not connect any equipment to a diagnos-
tics connection in the vehicle.GWARNING
Objects in the driver's footwell can restrict the
pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle
is jeopardised. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Fit the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use
loose floormats.
! If the engine is switched off and equip-
ment on the diagnostics connection is
used, the starter battery may discharge.
Connecting equipment to the diagnostics
connection can lead to emissions monitoring
information being reset, for example. This
may lead to the vehicle failing to meet the
requirements of the next emissions test dur-
ing the main inspection.
Qualified specialist workshop
A qualified specialist workshop has the nec-
essary special skills, tools and qualifications
to correctly carry out any necessary work on
your vehicle. This particularly applies to work
relevant to safety.
Observe the notes in the Service Booklet.
Always have the following work carried out at
a qualified specialist workshop:
R work relevant to safety
R service and maintenance work
R repair work
R modifications, installations and conver-
sions
R work on electronic components
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre.
Vehicle registration
Mercedes-Benz may ask its Service Centres
to carry out technical inspections on certain
vehicles. The quality or safety of the vehicle
is improved as a result of the inspection.
Mercedes-Benz can only inform you about
vehicle checks if it has your registration data.
It is possible that your vehicle has not yet
been registered in your name in the following
cases:
R if your vehicle was not purchased at an
authorised specialist dealer.
R if your vehicle has not yet been examined
at a Mercedes-Benz Service Centre.
It is advisable to register your vehicle with a
Mercedes-Benz Service Centre.
Inform Mercedes-Benz as soon as possible
about any change in address or vehicle own-
ership.
Correct use
If you remove any warning stickers, you or
others could fail to recognise certain dangers.
Leave warning stickers in position.
Observe the following information when driv-
ing your vehicle:
R the safety notes in this manual
R the technical data in this manual
R traffic rules and regulations
R laws and safety standards pertaining to
motor vehicles
Implied warranty
! Follow the instructions in this manual
about the proper operation of your vehicle
as well as about possible vehicle damage.
Damage to your vehicle that arises from
culpable contraventions against these
instructions are not covered either by
Mercedes-Benz implied warranty or by the
New or Used-Vehicle Warranty.
24Introduction

The rate of vehicle deceleration or accelera-
tion and the direction of the force are essen-
tially determined by:
R the distribution of forces during the colli-
sion
R the collision angle
R the deformation characteristics of the vehi-
cle
R the characteristics of the object with which
the vehicle has collided
Factors which can only be seen and measured
after a collision has occurred do not play a
decisive role in the deployment of an airbag,
nor do they provide an indication of airbag
deployment.
The vehicle may be deformed significantly,
e.g. the bonnet or the wing, without an airbag
being deployed. This is the case if only parts
which are relatively easily deformed are affec-
ted and the rate of deceleration is not high.
Conversely, airbags may be deployed even
though the vehicle suffers only minor defor-
mation. This is the case if, for example, very
rigid vehicle parts such as longitudinal body
members are hit, and sufficient deceleration
occurs as a result.
i The front belt tensioners can only be trig-
gered if the seat belt tongues on the front
seats are correctly engaged in the seat belt
buckles.
i Not all airbags are deployed in an acci-
dent. The different airbag systems work
independently of each other.
How the airbag system works is deter-
mined by predicting the severity of the acci-
dent, especially vehicle deceleration or
acceleration, and the type of accident:
R head-on collision
R side impact
R overturnAirbags
Important safety notesGWARNING
Airbags provide additional protection; they
are not, however, a substitute for seat belts.
Observe the following notes to reduce the risk
of serious or even fatal injury caused by airbag
deployment:
R all vehicle occupants – in particular, preg-
nant women – must wear their seat belt
correctly at all times and lean back against
the backrest, which should be positioned
as close to the vertical as possible. The
head restraint must support the back of the
head at about eye level.
R always secure children less than
1.50 m tall or under 12 years of age in suit-
able child restraint systems.
R all vehicle occupants must select a seat
position that is as far away from the airbag
as possible. The driver's seat position must
allow the vehicle to be driven safely. The
driver's chest should be as far away from
the centre of the driver's airbag cover as
possible.
R move the front-passenger seat as far back
as possible. This is especially important if
you have secured a child in a child restraint
system on the front-passenger seat.
R vehicle occupants – in particular, children
– must not lean their head into the area of
the window in which the sidebag/window-
bag is deployed.
R rearward-facing child restraint systems
must not be fitted to the front-passenger
seat unless the front-passenger airbag has
been disabled. On the front-passenger
seat, the front-passenger airbag is disabled
if a child restraint system with a trans-
ponder for automatic child seat recognition
is fitted to the front-passenger seat in a
vehicle equipped with automatic child seat
recognition. The 4 PASSENGER AIRBAG
42Occupant safetySafety

OFF indicator lamp must be continuously
lit.
If the front-passenger seat of your vehicle
does not have automatic child seat recog-
nition, or your rearward-facing child
restraint system does not have a trans-
ponder for automatic child seat recogni-
tion, children must be secured in a child
restraint system on a suitable seat in the
rear. If you secure a forward-facing child
restraint system to the front-passenger
seat, you must move the front-passenger
seat as far back as possible.
R make sure there are no heavy or sharp-
edged objects in the pockets of clothing.
R do not lean forwards, e.g. over the cover of
the driver's/front-passenger front airbag,
particularly when the vehicle is in motion.
R do not put your feet on the dashboard.
R only hold the steering wheel on the outside.
This allows the airbag to be fully deployed.
You could be injured if the airbag is
deployed and you are holding the inside of
the steering wheel.
R do not lean on the doors from inside the
vehicle.
R make sure that there are no people, ani-
mals or objects between the vehicle occu-
pants and the area where the airbags are
deployed.
R do not place any objects between the seat
backrest and the door.
R do not hang any hard objects, e.g. coat
hangers, on the grab handles or coat hooks.
R do not attach accessories, e.g. cup holders,
to the doors.
It is not possible to rule out a risk of injury
being caused by an airbag, due to the high
speed at which the airbag must be deployed.GWARNING
If you modify the airbag covers or affix
objects, e.g. stickers to them, the airbags may
no longer function as intended. There is an
increased risk of injury.
Never modify the airbag covers and do not
affix any objects to them.GWARNING
Unsuitable seat covers may obstruct or even
prevent deployment of the airbags integrated
into the seats. The airbags may then fail to
protect the vehicle occupants as intended.
Operation of the automatic child seat recog-
nition may also be impaired. There is an
increased risk of injury, possibly even fatal.
Use only seat covers which have been specif-
ically approved for the respective seat by
Mercedes-Benz.
GWARNING
After the driver's airbag has been deployed,
the airbag parts are hot. There is a risk of
injury.
Do not touch the airbag parts. Have deployed
airbags replaced immediately at a qualified
specialist workshop.
Airbag deployment slows down and restricts
the movement of the vehicle occupant.
If the airbags are deployed, you will hear a
bang and a small amount of powder may also
be released. Only in rare cases will the bang
affect your hearing. The powder that is
released generally does not constitute a
health hazard and does not indicate that there
is a fire in the vehicle. The powder may cause
short-term breathing difficulties to persons
suffering from asthma or other pulmonary
conditions. In order to prevent potential
breathing difficulties, you should leave the
vehicle as soon as it is safe to do so. You can
also open the window to allow fresh air to
enter the vehicle interior. The 6 SRS warn-
ing lamp lights up.
The airbag installation locations are identified
by the AIRBAG symbol.
i After an airbag has been deployed, have
the vehicle towed to the nearest qualified
specialist workshop, even if your vehicle
can still be driven.
Occupant safety43SafetyZ

— on no account across your neck or under
your arm — and pulled tight against your
upper body. The lap belt must always pass
across your lap as low down as possible, i.e.
over your hip joints — not across your abdo-
men. If necessary, push the seat belt
slightly downwards and adjust it by pulling
it in the direction the seat belt retracts.
R Do not route the seat belt strap over sharp
or fragile objects. Please make sure that
such objects are not on or in your clothing,
e.g. spectacles, pens or keys etc. The seat
belt strap could become damaged and tear
during an accident and you or other vehicle
occupants could be injured.
R Only one person should use each seat belt
at any one time. Children must never travel
sitting on the lap of another occupant. The
child will not be secured in the event of an
accident, heavy braking or sudden change
of direction. This may result in the child or
other occupants being seriously or fatally
injured.
R Persons under 1.50 m tall cannot wear the
seat belts correctly. For this reason secure
persons less than 1.50 m tall in specially
designed, suitable restraint systems.
R Children under 1.50 m tall and younger
than twelve years of age cannot wear the
seat belts correctly. For this reason secure
them in special suitable child restraint sys-
tems installed on a suitable seat. Additional
information can be found in the Operating
Instructions in the chapter "Safety", "Chil-
dren in the Vehicle". Observe the installa-
tion instructions of the child restraint sys-
tem manufacturer.
R Do not secure an object with a seat belt if
the seat belt is also being used by one of
the vehicle's occupants.GWARNING
The seat belt does not offer the intended level
of protection if the backrest is not in the
upright position. When braking or in the event
of an accident, you could slide underneath the
seat belt and sustain abdomen or neck inju-
ries, for example. This poses an increased risk
of injury or even fatal injury.
Adjust the seat properly before beginning
your journey. Always make sure that the seat
is in the upright position.GWARNING
Seat belts cannot perform their intended pro-
tective function if:
R they are damaged, modified, bleached or
coloured, or are very dirty
R the seat belt buckle is damaged or very
dirty
R modifications have been made to the seat
belt tensioners or belt anchorages
In the event of an accident, seat belts can
sustain damage that is not visible to the naked
eye, e. g. due to glass splinters. Modified or
damaged seat belts could tear or fail in the
event of an accident, for example. Modified
belt tensioners could deploy unexpectedly or
fail. There is an increased risk of serious or
even fatal injuries.
Never make modifications to seat belts, belt
tensioners, belt anchorages or seat belt
retractors. Make sure that the seat belts are
undamaged, are not worn and are clean.
Mercedes-Benz recommends that you only
use seat belts which have been approved
specifically for your vehicle by Mercedes-
Benz.
Seat belts are the most effective means of
restraining the movement of vehicle occu-
pants in the event of an accident. This
reduces the risk of vehicle occupants coming
into contact with parts of the vehicle interior.
Occupant safety47SafetyZ