2016 MERCEDES-BENZ CLA-Class ron

RCOLLISION PREVENTION AS SIST isno lon-
ger available; nor is itactivated ifyou brake
firmly with assistance from ESP
®.
RESP®still provides support when you brake
firmly.
ESP®trailer stabilization
General info rmation
If your veh icle/trailer combination begins to
swerve, ESP
®assists you inthis situation.
ESP®slows the vehicle down bybraking and
limit ing the engine output unt ilthe vehicle/
trailer co mbination has stabilized.
Import ant safety notes
GWARNIN G
If road and weather condition sare poor ,
trailer stabilization will no tbe able to preven t
th evehicle/traile rcombination from swerv-
ing .Trailers wit h ahigh cente rof gravity can
tip ove rbefore ES P
®can detect this. Ther eis
a ris kof an accident.
Always adapt your driving style to th eprevail-
ing road and weather conditions.
If your veh icle with trailer (vehicle/trailer
co mbin ation) begins to lurch, you can only
stabiliz e the vehicle /trailer combination by
depr essing the brake firmly.
ESP
®trailer stabiliz ation is active above
speeds of about 65 km/h.
ESP
®trailer stabilization does not work if
ESP®is deactivated or disabled because of a
malfunction.
EBD (electronic brake force distribu-
tion)
General information
EBD mon itors and controls the brake pres-
sure on the rear wheels to improve driving
stabilit ywhile braking.
Important safety notes
iObserve the "Important safety notes" sec-
tion (
Ypage 65).
GWARNIN G
If EB Dis malfunctioning, th erear wheels can
lock, e.g. under full braking .This increases th e
ris kof skiddin gand an accident.
You should therefor eadapt your driving style
to th edifferent handlin gcharacteristics. Hav e
th ebrak esystem checked at aqualified spe-
cialist workshop.
Observe information regarding indicator and
warning lamps (
Ypage 261) as wellas dis-
play messages (
Ypage 230).
ADAPTIVE BRAKE
ADAPTIVE BRAKE enhances braking safety
and offers increased braking comfort. Inaddi-
tion to the braking function, ADAPTIVE BRAKE
also has the HOLD function (
Ypage 187) and
hill start assist (
Ypage 151).
STEER CONTROL
General information
ST EER CONTROL helps you bytransmitting a
noticea blesteering force to the steering
wheel inthe direction required for vehicle
stabiliz ation.
This steering assistance ispro vide din partic-
ular if:
Rboth right wheels or both left wheels are on
a wet or slippery road surface when you
brake.
Rthe veh iclestarts to skid.
Important safety notes
iObserve the "Important safety notes" sec-
tion (
Ypage 65).
72Driving safety systems
Safety

Useful information
i
This Operator's Manual describes all
models and all standard and optional equip-
ment 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 special-
ist workshops (
Ypage 25).
SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take 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.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could
cause the engine to be switched off. There is a risk of an accident.
Do not attach any heavy or large objects to theSmartKey. Remove any bulky key rings before
inserting the SmartKey into the ignition lock.
!Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected.
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile
phone or another SmartKey.
Rwith metallic objects, e.g. coins or metal
foil.
Rinside metallic objects, e.g. a metal case.
Vehicles with KEYLESS-GO start function:
do not keep the SmartKey in the cargo com-
partment. Otherwise, the SmartKey may not
be detected, e.g. when starting the engine
using the Start/Stop button.
SmartKey functions
:& To lock the vehicle
;FTo open the trunk lid
=%To unlock the vehicle
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Ranti-theft protection is reactivated.
XTo lock: press the &button.
76SmartKey
Opening and closing

Deactivating andactivating
If you do no tintend to use th evehicle fo r a
longer period of time, you can deactivat eKEY-
LESS-GO .The SmartKey will then use ver ylit -
tl e power, thereby conservin gbattery power.
Fo rth epurposes of activation/deactivation ,
th evehicle mus tno tbe nearby.
XTo deactivate :press th e& buttonon
th eSmartKey twic ein rapid succession .
The battery chec klamp of th eSmartKey
flashes twic ebriefly and lights up once ,
then KEYLESS-GO is deactivated
(
Ypage 79) .
XTo activate :press any butto non th e
SmartKey.
or
XInser tth eSmartKey into th eignition lock.
KEYLESS-GO and all of it sassociated fea-
tures are available again .
KEYLESS-GOstar tfunction
General notes
Bear in min dthat th eengin ecan be started by
any of th evehicle occupant sif there is a
SmartKey in th evehicle.
Changin gth esettings of th elocking
syste m
You can chang eth esetting sof th elocking
system. Thi smeans that only th edriver's doo r
and th efue lfiller flap are unlocke dwhen th e
vehicle is unlocked. Thi sis useful if you fre-
quentl ytrave lon your own .
XTo change th esetting: press and hol dth e
% and& buttons simultaneousl yfo r approximately six seconds until th
ebattery
indicator lamp flashes twic e (
Ypage 79).
If th esetting of th elocking system is changed
within th esignal range of th evehicle, press-
in g th e& or% button:
Rlocks or
Runlocks th evehicle
The SmartKey no wfunction sas follows :
XTo unlock :press th e% buttononce .
XTo unlock centrally :press th e% but-
to ntwice.
XTo lock centrally :press th e& button.
The KEYLESS-GO function is changed as fol-
lows :
XTo unlock th edriver's door: touch the
inne rsurfac eof th edoo rhandle on th e
driver's door.
XTo unlock centrally :touch th einne rsur -
fac eof th edoo rhandle on th efront-
passenger doo ror th erea rdoor.
XTo lock centrally :touch th eouter sensor
surfac eon on eof th edoo rhandles .
XTo restor eth efactory settings: press
and hol dth e% and& buttons simul-
taneousl yfo rapproximately six seconds
until th ebattery chec klamp flashes twic e
(
Ypage 79).
Mechanica lkey
General notes
If th evehicle can no longer be locke dor
unlocke dwit hth eSmartKey or KEYLESS-GO ,
use th emechanical key.
If you use th emechanical ke yto unloc kand
ope nth edriver's doo ror th etrunk lid, th e
anti-thef talar msystem will be triggere d
(
Ypage 73).
There are severa lways to turn of fth ealarm:
XTo deactivate th ealarm wit hth ekey :
press th e% or& buttonon th ekey.
or
78SmartKey
Opening and closing

XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion 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 flap will not be unlocked
automatically.
XTo unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key
XPush release catch :in the direction of
the arrow and at the same time remove
mechanical key ;from the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 85)
Runlocking the trunk (Ypage 87)
Rlocking the vehicle (Ypage 85)
Inserting the mechanical key
XPush mechanical key ;completely into
the SmartKey until it engages and release
catch :is back in its basic position.
SmartKey battery
Important safety notes
GWARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatalinjury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention immediately.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the battery replaced at a qualified specialist
workshop.
Checking the battery
XPress the &or% button.
The battery is working properly if battery
check lamp :lights up briefly.
The battery is discharged if battery check
lamp :does not light up briefly.
XChange the battery (Ypage 80).
SmartKey79
Opening and closing
Z

iIf the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the &or% button:
Rlocks or
Runlocks the vehicle
iYou can get a battery at any qualified spe-
cialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
XTake the mechanical key out of the Smart-
Key (
Ypage 78).
XPress mechanical key ;into the opening
in the SmartKey in the direction of the
arrow until battery tray cover :opens.
When doing so, do not hold cover :shut.
XRemove battery tray cover :.
XRepeatedly tap the SmartKey against your
palm until battery=falls out.
XInsert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth
to do so.
XMake sure that the surface of the battery is
free of lint, grease and other contaminants.
XInsert the front tabs of battery tray cover :
and then press to close it.
XInsert mechanical key into the SmartKey
(
Ypage 79).
XCheck the function of all SmartKey buttons on the vehicle.
80SmartKey
Opening and closing

ProblemPossible causes/consequences andMSolutions
You have lost a Smart-
Key.XHave the SmartKey deactivated at a qualified specialist work-
shop.
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.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take 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.
You should preferably place luggage or loads in the cargo compartment. Observe the load-
ing guidelines (
Ypage 272).
Unlocking and opening doors from
the inside
!
The side windows will not open/close if
the battery is discharged or if the side win-
dows have iced up. It will then not be pos- sible to close the door. Do not attempt to
force the door closed. You could otherwise
damage the door or the side window.
When a door is opened, the side window on
that side opens slightly. When the door is
closed, the side window closes again.
XTo unlock and open a front door: pull
door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and opens.
XTo unlock a rear door: pull up locking
knob :.
The door is unlocked and can be opened.
XTo open a rear door: pull door handle;.
You can open a door from inside the vehicle
even if it has been locked. You can only open the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(
Ypage 64).
If the vehicle has previously been locked with
the SmartKey from the outside, opening a
door from the inside will trigger the anti-theft
Doors83
Opening and closing
Z

Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO,
use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Ypage 73).
XTake the mechanical key out of the Smart-
Key (
Ypage 78).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key counter-clockwise
as far as it will go to position 1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XInsert the mechanical key into the Smart-
Key (
Ypage 79).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey or KEYLESS-GO, use the mechani-
cal key.
XOpen the driver's door.
XClose the front-passenger door, the rear
doors and the trunk lid.
XPress the locking button on the driver’s
door (
Ypage 84).
XCheck whether the locking knobs on the
front-passenger door and the rear doors are still visible. Press down the locking
knobs by hand, if necessary.
XClose the driver's door.
XTake the mechanical key out of the Smart-
Key (
Ypage 78).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key clockwise as far as
it will go to position
1.
XTurn the mechanical key back and remove
it.
XMake sure that the doors and the trunk lid
are locked.
XInsert the mechanical key into the Smart-
Key (
Ypage 79).
iIf you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed.
Trunk
Important safety notes
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid is open when the engine is running,
especially if the vehicle is in motion. There is a
risk of poisoning.
Always switch off the engine before opening
the trunk lid. Never drive with the trunk lid
open.
Trunk85
Opening and closing
Z

This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the switch
to open the side window again.
Opens and closes the side windows
The switches for all side windows are located
on the driver's door. There is also a switch on
each door for the corresponding side window.
The switches on the driver's door take prec-
edence.
:Front left
;Front right
=Rear right
?Rear left
XTurn the SmartKey to position 1or 2in the
ignition lock (
Ypage 147).
XTo open manually: press and hold the cor-
responding switch.
XTo open fully: press the switch beyond the
point of resistance and release it.
Automatic operation is started.
XTo close manually: pull the corresponding
switch and hold it.
XTo close fully: pull the switch beyond the
point of resistance and release it.
Automatic operation is started.
XTo interrupt automatic operation:
press/pull the corresponding switch again.
iIf you press/pull the switch beyond the
point of resistance, automatic operation is
started in the corresponding direction. You
can stop automatic operation by pressing/
pulling the switch again.
iYou can continue to operate the side win-
dows after you switch off the engine or
remove the SmartKey. This function
remains active for five minutes or until the
driver's or front-passenger door is opened.
iWhen the override feature for the side
windows is activated (
Ypage 64), the side
windows cannot be operated from the rear.
Convenience opening
Vehicles with KEYLESS-GO, the KEYLESS-
GO start function, Exclusive Package or
AMG Exclusive Package: you can ventilate
the vehicle before you start driving.
The SmartKey can also be used to carry out
the following functions simultaneously:
Runlock the vehicle
Ropen the side windows
Ropen the panorama roof with power tilt/
sliding panel and the roller sunblind
The convenience opening feature can only be
operated using the SmartKey.
The "convenience opening" feature is also
available when the vehicle is unlocked.
XVehicles with Exclusive Package or
AMG Exclusive Package but without
KEYLESS-GO and the KEYLESS-GO start
function: for the following operations,
point the tip of the SmartKey at the door
handle on the driver's door. The SmartKey
must be close to the driver's door handle.
iVehicles with KEYLESS-GO or the KEY-
LESS-GO start function: the SmartKey
must be in close proximity to the vehicle.
Side windows89
Opening and closing
Z