2016 MERCEDES-BENZ CLA hood open

Important safety notes .................. 290
Opening/closing the garage door .. 292
Programming (button in the rear-
view mirror) ................................... 290
Synchronizing the rolling code ....... 291
Gasoline ............................................ .3 66
Gear indicator (on-board com-
puter, Mercedes-AMG vehicles) ....... 223
Genuine parts ...................................... 21
Glove box .......................................... .2 73
H Handbrake
see Parking brake
Hazard warning lamps
Display message ............................ 256
Switching on/off ........................... 117
Head restraints
Adjusting ....................................... 103
Adjusting (manually) ..................... .1 03
Adjusting (rear) .............................. 104
Headlamps
Fogging up ..................................... 119
see Automatic headlamp mode
Heating
see Climate control
High beam flasher ............................ .1 17
High-beam headlamps
Adaptive Highbeam Assist ............. 118
Changing bulbs .............................. 122
Display message ............................ 241
Switching on/off ........................... 116
Hill start assist .................................. 151
HOLD function
Activating ....................................... 188
Deactivating ................................... 188
Display message ............................ 246
Function/notes ............................ .1 87
Hood
Closing .......................................... .2 97
Display message ............................ 255
Important safety notes .................. 296
Opening ......................................... 296
Horn ...................................................... 30
Hydroplaning ..................................... 177 I Ignition lock
see Key positions
Immobilizer .......................................... 73
Indicator and warning lamps
COLLISION PREVENTION ASSIST
PLUS .............................................. 269
Indicator lamps
see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 31
Settings ......................................... 221
Warning and indicator lamps ........... 32
Instrument cluster lighting .............. 210
Interior lighting
Control .......................................... .1 20
Emergency lighting ........................ 120
Overview ........................................ 119
Reading lamp ................................. 119
J Jack
Storage location ............................ 310
Using ............................................. 352
Jump starting (engine) ..................... .3 19
K
Key positions
Start/Stop button .......................... 147
KEYLESS-GO
Convenience closing feature ............ 90
Deactivation ..................................... 77
Locking ............................................ 77
Unlocking ......................................... 77
Kickdown
Driving tips ................................... .1 61
Manual gearshifting ....................... 166
Knee bag .............................................. 50
L
Lamps
see Warning and indicator lamps Index 11

No steering assistance is provided from
STEER CONTROL, if: R
ESP ®
is malfunctioning.R
the lighting is faulty.
If ESP ®
is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
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 start-
function or KEYLESS-GO: switch the igni-
tion off and open the driver's door. X
To deactivate: switch on the ignition.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Any-
one can start the engine if a valid SmartKey
has been left inside the vehicle.
i The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be star-
ted (yet the vehicle's battery is charged),
the system is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
ATA (anti-theft alarm system) X
To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp C flashes. The alarm sys-
tem is armed after approximately
15 seconds. X
To disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
or X
Insert the SmartKey into the ignition lock.
A visual and audible alarm is triggered if the
alarm system is armed and you open: R
a door R
the vehicle with the mechanical key R
the trunk lid R
the hood X
To turn the alarm off with the SmartKey:
press the 6 or 7 button on the
SmartKey.
The alarm is switched off.
or X
Vehicles with KEYLESS-GO start-func-
tion or KEYLESS-GO: remove the Start/
Stop button from the ignition lock
( Y
page 147). X
Insert the SmartKey into the ignition lock.
The alarm is switched off. X
To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The Smart-
Key must be outside the vehicle.
The alarm is switched off.
or X
Press the Start/Stop button on the dash-
board. 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.
i If the alarm continues for more than
30 seconds, the mbrace emergency call
system automatically notifies the Cus-
tomer Assistance Center. This is done
either by text message or data connection.Protection against theft 73
Safety Z

Changing the front bulbs
Removing and installing the cover in the
front wheel housing
You must remove the cover of the front wheel
housing before you can change the front turn
signal lamp. X
To remove: switch off the lights.X
Turn the front wheels inwards. X
Turn rotary knob C through 90°.
Cover D is released.X
Push cover D down.X
To install: push cover D up.X
Turn rotary knob C through 90°.
Cover D is locked.
Low-beam headlamps (halogen head-
lamps)
X
Remove the cover in the front wheel hous-
ing ( Y
page 122).X
Turn housing cover C counter-clockwise
and remove it. X
Turn bulb holder D counter-clockwise and
pull out. X
Pull the bulb out of bulb holder D .X
Insert the new bulb into bulb holder D .X
Insert bulb holder D and turn it clockwise.X
Press on housing cover C and turn it to the
right. X
Replace the cover in the front wheel hous-
ing ( Y
page 122).
High-beam headlamps/daytime run-
ning lamps/parking lamps and stand-
ing lamps (halogen headlamps)
X
Switch off the lights. X
Open the hood. X
Turn housing cover C counter-clockwise
and remove it. X
Turn bulb D counter-clockwise and pull it
out. X
Insert the new bulb and engage it to the
stop. X
Press on housing cover C and turn it to the
right.122
Replacing bulbs
Lights and windshield wipers

Turn signals (halogen headlamps) X
Switch off the lights. X
Open the hood. X
Turn bulb holder C counter-clockwise and
pull out. X
Pull the bulb out of bulb holder C .X
Insert the new bulb into bulb holder C .X
Insert bulb holder C and turn it clockwise
until it engages.
Cornering light function (Xenon bulbs)
X
Switch off the lights. X
Open the hood. X
Turn housing cover C counter-clockwise
and remove it. X
Turn bulb holder D counter-clockwise and
pull out. X
Pull the bulb out of bulb holder D .X
Insert the new bulb into bulb holder D .X
Insert bulb holder D and turn it clockwise.X
Press on housing cover C and turn it to the
right. Changing the rear bulbs
Opening and closing the side trim pan-
els
View of right-hand side trim panel
You must open the side paneling in the trunk
before you can replace the bulbs in the tail
lamps. X
To open: release right or left side trim
panel C at the top and fold it down in the
direction of the arrow. X
To close: insert side panel C .
Tail lamps X
Switch off the lights. X
Open the trunk. X
Open the side trim panel ( Y
page 123).
X
Press retaining clips C at the same time in
the direction of the arrows. X
Carefully remove the bulb holder with the
contacted connectors and the bulbs. Replacing bulbs 123
Lights and windshield wiper s Z

position, causing the windshield wiper to wipe
more frequently.
If the wiper blades are worn, the windshield
will no longer be wiped properly. This could
prevent you from observing the traffic condi-
tions.
Replacing the wiper blades
Important safety notes
G WARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could
be trapped by the wiper arm. There is a risk of
injury.
Always switch off the windshield wipers and
ignition before changing the wiper blades.
! To avoid damaging the wiper blades,
make sure that you touch only the wiper
arm of the wiper.
! Never open the hood if a windshield wiper
arm has been folded away from the wind-
shield.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release
the windshield wiper arm without a wiper
blade and it falls onto the windshield, the
windshield may be damaged by the force of
the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified
specialist workshop. Replacing the windshield wiper blades
(variant 1) Removing the wiper blades X
Vehicles without KEYLESS-GO: remove
the SmartKey from the ignition lock. X
Vehicles with KEYLESS-GO: switch off
the engine. X
Fold the wiper arm away from the wind-
shield.
X
Press both release clips D .X
Fold wiper blade C in the direction of
arrow

Switching on/off X
Turn the key to position 0 in the ignition
lock or remove it ( Y
page 147).X
To activate: press the K button.
The indicator lamp in the K button lights
up. X
To deactivate: press the K button.
The indicator lamp in the K button goes
out.
i Residual heat is deactivated automati-
cally: R
after approximately 30 minutes R
when the ignition is switched on R
if the battery voltage drops
Air vents
Important safety notes
G WARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes: R
keep the air inlet between the windshield
and the hood free of blockages, such as ice,
snow or leaves. R
never cover the air vents or air intake grilles
in the vehicle interior.
i For optimal climate control in the vehicle,
open the air vents completely and set the
adjusters to the central position. Setting the center air vents X
To open the center air vents: turn the
adjuster in one of center air vents C coun-
ter-clockwise. X
To close the center air vent: turn the
adjuster in one of center air vents C clock-
wise as far as it will go.
Setting the side air vents
C
Side window defroster vent D
Side air vent X
To open a side air vent: turn the adjuster
in side air vent D to the left. X
To close a side air vent: turn the adjuster
in side air vent D clockwise as far as it will
go.142
Air vents
Climate control

Starting procedure with the Start/Stop
button The Start/Stop button can be used to start
the vehicle manually without inserting the
SmartKey into the ignition lock. The Start/
Stop button must be inserted in the ignition
lock and the SmartKey must be in the vehicle.
This mode for starting the engine operates
independently of the ECO start/stop auto-
matic engine start function.
You can start the engine if a valid SmartKey is
in the vehicle. Switch off the engine and
always take the SmartKey with you when
leaving the vehicle, even if you only leave it for
a short time. Pay attention to the important
safety notes. X
Depress the brake pedal and keep it
depressed. X
Press the Start/Stop button once
( Y
page 147).
The engine starts.
Starting procedure via smartphone
Observe the important safety notes on start-
ing the engine ( Y
page 149).
You can also start your engine via your smart-
phone from outside the vehicle. In this case,
the previously selected climate control set-
ting is activated. In this way you can cool or
heat the interior of the vehicle before starting
the journey.
Only start the engine via your smartphone if it
is safe to start and run the engine where your
vehicle is parked.
Observe the legal stipulations in the area
where your vehicle is parked. Engine start via
smartphone may be limited to certain coun-
tries or regions.
You can execute a maximum of two consec-
utive starting attempts via your smartphone.
If you insert the key into the ignition lock, you
can carry out two more starting attempts.
Once you have started the engine, you can
switch the engine off via your smartphone at
any time. You can only start the engine via your smart-
phone if: R
the key is in the ignition lock R
park position P is selected R
the accelerator pedal is not depressed R
the anti-theft alarm system is not activated R
the panic alarm is not activated R
the hazard warning lamps are switched off R
the hood is closed. R
the doors are closed and locked R
the windows and sliding sunroof are closed
Also make sure that: R
the fuel tank is sufficiently filled R
the starter battery is sufficiently charged
G WARNING
Limbs could be crushed or trapped if the
engine is started unintentionally during ser-
vice or maintenance work. There is a risk of
injury.
Always secure the engine against uninten-
tional starting before carrying out mainte-
nance or repair work.
Make sure that the engine cannot be started
via your smartphone before carrying out
maintenance or repairs. You can prevent an
engine start via your smartphone, for exam-
ple, if you: R
switch on the hazard warning lamps R
do not lock the doors R
open the hood.
Pulling away
General notes
G WARNING
If the engine speed is above the idling speed
and you engage transmission position D or R ,
the vehicle could pull away suddenly. There is
a risk of an accident.150
Driving
Driving and parking

Tachometer
! Do not drive in the overrevving range, as
this could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The engine is limited within a range to protect
the engine when the red band is reached.
Outside temperature display You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
Bear in mind that the outside temperature
display indicates the temperature measured
and does not record the road temperature.
The outside temperature display is in the mul-
tifunction display ( Y
page 213).
There is a short delay before a change in out-
side temperature appears in the multifunc-
tion display.
Coolant temperature display
G WARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
! A display message is shown if the coolant
temperature is too high.
If the coolant temperature is over 248 ‡
(120 †), do not continue driving. The
engine will otherwise be damaged.
The coolant temperature gage is in the instru-
ment cluster on the right-hand side
( Y
page 31). Under normal operating conditions and with
the specified coolant level, the coolant tem-
perature may rise to 248 ‡ (120 †).
Operating the on-board computer
Overview
C
Multifunction display D
Right control panel