2014 MERCEDES-BENZ CLA trunk release

Fuel ................................................ 157
General..........................................156
Hydroplaning.................................161
Icy road surfaces...........................161
Limited braking efficiency on
salted roads...................................159
Snow chains..................................315
Symmetrical low beam..................104
Wet road surface...........................159
DVD audio (on-board computer)......200
DVD video (on-board computer)......201
E
EASY-VARIO-PLUS system
Cargo compartment enlargement..257
EBD (electronic brake force
distribution)
Display message............................215
Function/notes ................................ 69
ECO display
Function/notes.............................157
On-board computer.......................198
ECO start/stop function
Automatic engine start..................140
Automatic engine switch-off..........139
Deactivating/activating.................140
General information.......................139
Important safety notes..................139
Introduction...................................139
Electronic Stability Program
see ESP®(ElectronicStability Program)
Emergencyrelease
Driver's door....................................79
Trunk...............................................82
Vehicle.............................................79
Emergency Tensioning Devices
Activation ......................................... 39
Function ...........................................53
Safety guidelines.............................40
Emissions control
Service and warranty information....22
Engine
Check Engine warning lamp ........... 248
Display message............................227
ECO start/stop function................139
Engine number ............................... 345
Irregularrunning............................141
Jump-starting.................................303
Starting problems..........................141
Starting the engine with the
SmartKey.......................................138
Switching off..................................154
Tow-starting (vehicle) ..................... 308
Engine, jump starting
see Jump starting (engine)
Engine electronics
Problem (malfunction)...................141
Engine oil
Adding...........................................282
Additives........................................348
Checking the oil level ..................... 281
Checking the oil level using the
dipstick..........................................282
Display message............................228
Filling capacity...............................348
Notes about oil grades ................... 348
Notes on oil level/consumption....281
Temperature (on-board computer).209
Viscosity........................................348
ESP®(Electronic Stability
Program)
AMG menu (on-board computer)...210
Deactivating/activating (AMG
vehicles)..........................................66
Deactivating/activating (except
AMG vehicles)................................203
Deactivating/activating (notes;
except AMG vehicles)......................68
Display message............................213
ETS/4ETS........................................65
Function/notes.........................65, 66
General notes..................................65
Important safety information...........65
Trailer stabilization ........................... 69
Warning lamp ................................. 244
ETS/4ETS (Electronic Traction
System)................................................65
Exhaustcheck...................................157
Exhaustpipe (cleaning instructions)289
Exterior lighting
Settingoptions..............................104
see Lights
Index9

M+S tires.......................................314
Maximum loaded vehicle weight
(definition).....................................334
Maximum load on a tire (definition) 334
Maximum permissible tire
pressure (definition) ....................... 334
Maximum tire load.........................327
Maximum tire load (definition).......334
MOExtended tires..........................314
Optional equipment weight
(definition).....................................335
PSI (pounds per square inch)
(definition).....................................334
Replacing.......................................336
Service life.....................................314
Sidewall (definition).......................335
Speed rating (definition)................334
Storing...........................................336
Structure and characteristics
(definition).....................................333
Summer tires.........................161, 314
Temperature..................................329
TIN (Tire Identification Number)
(definition).....................................335
Tire bead(definition)......................335
Tire pressure (definition)................335
Tire pressures (recommended)......333
Tire size (data)...............................340
Tire size designation, load-bearing
capacity, speed rating .................... 330
Tire tread.......................................313
Tire tread (definition).....................335
Total load limit (definition).............335
Traction.........................................328
Traction (definition).......................335
Treadwear.....................................328
Uniform Tire Quality Grading
Standards......................................328
Uniform Tire Quality Grading
Standards(definition)....................333
Unladen weight (definition)............334
Wearindicator(definition).............335
Wheelrim (definition)....................333
see Flat tire
Top Tether............................................59
Towing
Important safety guidelines...........305
Installing the towing eye................306
Removing the towing eye...............306
Towingatrailer
ESP®(Electronic Stability Program).69
Towing away
With both axles on the ground.......307
With front axle raised ..................... 307
Tow-starting
Emergency engine starting............308
Important safety notes..................305
Installing the towing eye................306
Removing the towing eye...............306
Transmission
see Automatic transmission
Transmission position display.........143
Transporting the vehicle..................307
Trim pieces (cleaning instructions).290
Trip computer (on-board computer)197
Trip odometer
Calling up ....................................... 197
Resetting (on-board computer)......198
Trunk
Emergency release..........................82
Emergency release button...............82
Important safety notes....................80
Opening/closing (manually from
outside) ............................................ 80
Opening (automatically from
outside) ............................................ 81
Opening automatically from inside..81
Trunk emergency release button....... 82
Trunk lid
Display message............................238
Opening dimensions......................351
Trunk load (maximum)......................351
Turn signals
Changing bulbs (front)...................113
Changing bulbs (rear)....................114
Display message............................223
Switching on/off...........................106
TV
Operating (on-board computer).....201
see Separate operating instructions
Type identification plate
see Vehicle identification plate
18Index

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).
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 positionP
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 persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be
unintentionally 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
the SmartKey. 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
SmartKey functions
\nTo lock the vehicle
To open the trunk lid
"To unlock the vehicle
XTo unlock centrally:press button".
72SmartKey
Opening and closing

XPush release catchin the direction of
the arrow and at the same time remove
mechanical keyfrom the SmartKey.
For further information about:
Runlocking the driver's door (Ypage 79)
Runlocking the trunk (Ypage 82)
Rlocking the vehicle (Ypage 79)
SmartKey battery
Important safety notes
GWARNING
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
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, seewww.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
Checking the battery
XPress the\norbutton.
The battery is working properly if battery
check lamplights up briefly.
The battery is discharged if battery check
lampdoes not light up briefly.
XChange the battery (Ypage 74).
iIf the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the\norbutton:
Rlocks or
Runlocks the vehicle
iYou can get a battery at any qualified
specialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
XTake the mechanical key out of the
SmartKey (Ypage 73).
XPress mechanical keyinto the opening
in the SmartKey in the direction of the
arrow until battery tray coveropens.
When doing so, do not hold covershut.
XRemove battery tray cover.
74SmartKey
Opening and closing

Emergency release
If the trunk lid can no longer be opened from
outside the vehicle, use the emergency
release on the inside of the trunk lid.
!The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
iThe opening dimensions of thetrunk lid
can be found in the "Vehicle data" section
(Ypage 351).
You can reach the emergency release via the
trunk. Fold the rear backrests forward
(Ypage 258).
XInsert suitable tool, e.g. a screwdriver,
horizontally on the left-hand side into
emergency release slot.
XPush toolevenly in the direction of the
arrow and open the trunk lid.
iWhen you lock the vehicle (Ypage 79),
the trunk is also locked.
Emergency release button
You can open the trunk lid from inside the
vehicle with the emergency release button.
XPress emergency release buttonbriefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened
with the trunk lid emergency release when
the vehicle is stationary or while driving.
The trunk lid emergency release does not
open the trunk lid if the battery is
disconnected or discharged.
Trunk lid emergency release light:
Remergency release buttonflashes for
30 minutes after the trunk lid is opened
Remergency release buttonflashes for
60 minutes after the trunk lid is closed.
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
somebody becomes trapped, release the
switch or press the switch to open the side
window again.
GWARNING
If children operate the side windows they
could become trapped, particularly if they are
left unsupervised. There is a risk of injury.
Activate the override feature for the rear side
windows. When leaving the vehicle, always
82Side windows
Opening and closing

XInsert bulb holderinto the lamp and turn
it clockwise.
XAlign housing coverand turn it
clockwise until it engages.
Changing the rear bulbs
Opening and closing the side trim
panels
You must open the side trim panel in the trunk
before you can change the bulbs in the tail
lamps.
Left-hand side trim panel
XTo open:turn release knob90° in the
direction of the arrow and remove side trim
panel.
XTo close:insert side trim paneland turn
release knob90° in the opposite
direction to the arrow.
Right-hand side trim panel
XTo open:loosenside trim panelat the
top and fold it down in the direction of the
arrow.
XTo close:insert side panel.
Tail lamp
XSwitch off the lights.
XOpen the trunk.
XOpen the side trim panel (Ypage 114).
XRelease and remove connector.
XPress retaining clipsat the same time in
the direction of the arrows.
XPull the bulb holder out with the bulbs.
Bulb holder
Brake lamp
Brake lamp
"Rear fog lamp
!Backup lamp
Turn signal
114Replacing bulbs
Lights and windshield wipers

Activating the HOLD function
Example: vehicles with a color multifunctiondisplay
XMake sure that the activation conditions
are met.
XDepress the brake pedal.
XQuickly depress the brake pedal further
untilappears in the multifunction
display.
The HOLD function is activated. You can
release the brake pedal.
iIf depressing the brake pedal the first
time does not activate the HOLD function,
wait briefly and then try again.
Deactivating the HOLD function
The HOLD function is deactivated
automatically if:
Ryou accelerate.Onvehicles with automatic
transmission:only when the transmission
is in positionDorR.
Rthe transmission is in positionPon vehicles
with automatic transmission.
Ryou depress the brake pedal againwith a
certain amountofpressure until
disappears from the multifunction display.
Ryou secure the vehicle using the electric
parking brake.
Ryou activate DISTRONIC PLUS.
iAfter a time, the electric parking brake
secures the vehicle and relieves the service
brake.
The electric parking brake automatically
secures the vehicle if the HOLD function is
activated and:
Rthe driver's door is open and the driver's
seat beltis unfastened.
Rthe engine is switched off, unless it is
automatically switched off by the ECO
start/stop function.
Ra system malfunction occurs.
Rthe power supply is not sufficient.
If a malfunction occurs, then the transmission
may be shifted into positionPautomatically.
RACE START
Important safety notes
RACE START enables optimal acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
RACE START is intended solely for activation
on dedicated race circuits.
iRACE START is only available in AMG
vehicles.
Conditions for activation
You can activate RACE START if:
Rthe doors, hood and the trunk lid are
closed.
Rthe engine is running and the transmission,
all-wheel drive clutch and the engine are at
operating temperature.
RSPORT handling mode is activated.
(Ypage 66)
Rthe steering wheel is in the straight-ahead
position.
Rthe vehicle is stationary and the brake
pedal is depressed (left foot).
Rthe transmission is in positionD.
Rdrive programMis selected (Ypage 146).
Driving systems173
Driving and parking
Z

cupholder are folded in. They may
otherwise be damaged.
Observe the loading guidelines (Ypage 254).
Folding the rear seat backrest forwards
and back
Folding the rear seat backrest forward
The left-hand and right-hand rearseat
backrests can be folded forwards separately
to increase the trunk capacity.
XFully insert the backrest head restraints
(Ypage 94).
XMove the driver's or front-passenger seat
forward if necessary.
XPull left-hand or right-hand release
handleof the seat backrest forwards.
Corresponding seat backrestis
released.
XFold backrestforwards.
XMove the driver's or front-passenger seat
back if necessary.
XInsertthe seat belt into seat-belt
extender.
Folding the rear seat backrest back
XMove the driver's or front-passenger seat
forward if necessary.
!Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be
damaged.
XFold seat backrestback until it engages.
Red lock status indicatoris no longer
visible.
XAdjust the head restraints if necessary
(Ypage 94).
XMove the driver's or front-passenger seat
back if necessary.
Securing cargo
Cargo tie-down rings
Observe the following notes on securing
loads:
RObserve the loading guidelines
(Ypage 254).
RSecure the load using the cargo tie-down
rings.
RDistribute the load on the cargo tie-down
rings evenly.
RDo not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads.
258Stowage areas
Stowage and features