2014 MERCEDES-BENZ CLA battery

Rthe battery is disconnected.
Rthe accelerator pedal has been depressed,
e.g.by a vehicle occupant.
There is a risk of an accident.
If you wish to exit the vehicle, always turnoff
DISTRONIC PLUS and secure the vehicle
against rolling away.
For further information on deactivating
DISTRONIC PLUS (Ypage 169).
If DISTRONIC PLUS detects that the vehicle
in front is stopping, it brakes yourvehicle until
it is stationary.
Once your vehicle is stationary, it remains
stationary and you do not need to depress the
brake.
iAfter a time, the electric parking brake
secures the vehicle and relieves the service
brake.
iDepending on the specified minimum
distance, your vehicle will come to a
standstill at a sufficientdistance behind the
vehicle in front.The specified minimum
distance is set using the control on the
cruise control lever.
The electric parking brake automatically
secures the vehicle if DISTRONIC PLUS is
activated and:
Rthe seat belt is unfastened and the driver's
door is open.
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.
Settingaspeed
Keep in mind thatitmay take a briefmoment
until the vehicle has accelerated or braked to
the speed set.
To store the current speed or a higher
speed
To store the current speed or a lower
speed
XPress the cruise control lever upfor a
higher speed or downfor a lower speed.
XTo adjust the set speed in 1 mph
increments (1 km/h increments):briefly
press the cruise control lever upor
downto the pressure point.
Every time the cruise control lever is
pressed upor downthe last speed
stored is increased or reduced.
XTo adjust the set speed in 5 mph
increments (10 km/h increments):
briefly press the cruise control lever
upor downto the pressure point.
Every time the cruise control lever is
pressed upor down, the last speed
stored is increased or reduced.
iDISTRONIC PLUS is not deactivated if you
depress the accelerator pedal. If you
accelerate to overtake, DISTRONIC PLUS
adjusts the vehicle's speed to the last
speed stored after you have finished
overtaking.
Setting the specified minimum distance
You can set the specified minimum distance
for DISTRONIC PLUS by varying the time span
between one and two seconds. With this
function, you can set the minimum distance
that DISTRONIC PLUS keeps to the vehicle in
front, dependent on vehicle speed. You can
168Driving systems
Driving and parking

Crossing vehicles
DISTRONIC PLUS may detect vehicles that
are crossing your lane by mistake. Activating
DISTRONIC PLUS at traffic lights with
crossing traffic, for example, could cause
your vehicle to pull away unintentionally.
HOLD function
Important safety notes
GWARNING
When leaving the vehicle, it can still roll away
despite being braked by theHOLD function if:
Rthere is a malfunction in the system or in
the voltage supply.
Rthe HOLD function has been deactivated by
pressing the accelerator pedal or the brake
pedal, e.g. by a vehicle occupant.
Rthe electrical system in the engine
compartment, the battery or the fuses have
been tampered with.
Rthe battery is disconnected
There is a risk of an accident.
If you wish to exit the vehicle, always turn off
the HOLD function and secure the vehicle
against rolling away.
!If DISTRONIC PLUS or the HOLD function
is activated, the vehicle brakes
automatically in certain situations. To
prevent damage to the vehicle, deactivate
DISTRONIC PLUS and the HOLD function in
the following or other similarsituations:
Rwhen towing the vehicle
Rin the car wash
Deactivating the HOLD function
(Ypage 173).
General notes
The HOLDfunction can assistthe driver in the
following situations:
Rwhen pulling away, especially on steep
slopes
Rwhen maneuvering on steep slopes
Rwhen waiting in traffic
The vehicle is kept stationary without the
driver having to depress the brake pedal.
The braking effect is canceled and the HOLD
function deactivated when you depress the
accelerator pedal to pull away.
Activation conditions
You can activate the HOLD function if:
Rthe vehicle is stationary
Rthe engine is running or if it has been
automatically switched off by the ECO
start/stop function
Rthe driver's door is closed or your seat belt
is fastened
Rthe electric parking brake is released
Rthe transmission positionD,RorNis
engaged while driving a vehicle with an
automatic transmission
RDISTRONIC PLUS is deactivated
172Driving systems
Driving and parking

Display messagesPossible causes/consequences and
Solutions
The yellow warning lamp lights up. If you manually apply or
release the electric parkingbrake, the red(USA
only)/ (Canada only) indicator lamp flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
XShift the transmission toP.
XVisitaqualified specialist workshop.
(USA
only) (Canada
only)
Parking Brake
Inoperative
The yellow warning lamp lights up. The red(USA
only)/ (Canada only) indicator lamp flashes for about ten
seconds after the electric parking brake has been applied or
released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of
overvoltage or undervoltage.
XRemove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
XEngage or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
XSwitch off the ignition and turn it back on.
XEngage or release the electric parking brake.
If the electric parking brake still cannot be released:
XConsult a qualified specialist workshop.
The display message is only shown while the vehicle is in motion.
The yellow warning lamp lights up and the red(USA
only)/ (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
XShift the transmission toP.
XVisit a qualified specialist workshop.
(USA
only) (Canada
only)
Turn On the
Ignition to
Release the
Parking Brake
The red(USA only)/ (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
XTurn the SmartKey to position1in the ignition lock.
218Display messages
On-board computer and displays

Display messagesPossible causes/consequences and
Solutions
The battery is notbeing charged.
Awarning tone also sounds.
Possible causes are:
Ra defective alternator
Ra torn poly-V-belt
Ra malfunction in the electronics
XPull overand stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XOpenthe hood.
XCheck whether the poly-V-belt is torn.
If the poly-V-belt is torn:
!Do not continue driving. The engine could otherwise overheat.
XConsult a qualified specialist workshop.
If the poly-V-belt is not damaged:
XVisit a qualified specialist workshop immediately.

Check Engine Oil
At Next Refueling
The engine oil level has dropped to the minimum level.
Awarning tone also sounds.
XCheckthe oil level when next refueling, at the latest
(Ypage 281).
XIf necessary, add engine oil (Ypage 282).
XHave the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
!Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com (USA only).


Fuel Level Low
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.
228Display messages
On-board computer and displays

Display messagesPossible causes/consequences and
Solutions
Tire Press.
Monitor Currently
Unavailable
Due to a source of radiointerference, no signals can be received
from the wheel sensors.The tire pressure monitor is temporarily
malfunctioning.
XDrive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
TirePress.
Sensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
XHave the faulty tire pressure sensor replaced at a qualified
specialist workshop.
Tire Pressure
Monitor
Inoperative No
Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
Tire Press.
Monitor
Inoperative
The tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Vehicle
Display messagesPossible causes/consequences and
Solutions
Shiftto'P'or'N'
to Start Engine
You have attempted to start the engine with the transmission in
positionRorD.
XShift the transmission to positionPorN.
Auxiliary Battery
Malfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
XVisit a qualified specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to positionPbefore
you switch off the engine.
XBefore leaving the vehicle, apply the electric parking brake.
Depress Brake to
Start Engine
You have attempted to start the engine with the transmission in
positionNwithout depressing the brake pedal.
XDepress the brake pedal.
236Display messages
On-board computer and displays

There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children
unsupervised in the vehicle.
Your attention must always be focused on the
traffic conditions. Only use the cigarette
lighter when road and traffic conditions
permit.
Example: vehicles with a cover over the stowagecompartment
XTurn the SmartKey to position2in the
ignition lock (Ypage 137).
XTo open:push the lower section of
cover.
The stowage compartment opens.
XPress in cigarette lighter.
Cigarette lighterwill pop out
automatically when the heating element is
red-hot.
12Vsockets
Points to observe before use
XTurn the SmartKey to position1in the
ignitionlock (Ypage 137).
The sockets can be used for accessories with
a maximum draw of 180 W (15 A).
Accessories include such items as lamps or
chargers for mobile phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
iAn emergency cut-out ensures that the
on-board voltage does not drop too low. If
the on-board voltage is too low, the power
to the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine.
Socket in the front-compartment center
console
Vehicles with a cover over the stowagecompartment
XTo open:push the lower section of
cover.
The stowage compartment opens.
XLift up the cover of socket.
Vehicles without a cover over the stowagecompartment
XLift up the cover of socket.
Features263
Stowage and features
Z

Socket in the rear-compartment center
console
XPull coverout by its top edge.
XLift up the cover of socket.
Socket in the trunk
XLift up the cover of socket.
mbrace
General notes
You must have a license agreement to
activate the mbrace service. Make sure that
your system is activated and operational. To
log in, press the\nMB Info call button. If
any of the steps mentioned are not carried
out, the system may not be activated.
If you have questions about the activation,
contact one of the following telephone
hotlines:
RUSA:Mercedes-Benz Customer Assistance
Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-866-990-9007
RCanada:Customer Service at
1-888-923-8367
Shortly after successfully registering with the
service, a user ID and password will be sent
to you by post.
USA only: you can use this password to log
onto the mbrace area under "Owners Online"
athttp://www.mbusa.com.
The system is available if:
Rit has been activated and is operational
Rthe corresponding mobile phone network
is available for transmitting data to the
Customer Center
Ra service subscription is available
Rthe starter battery is sufficiently charged
iDetermining the location of the vehicle on
a map is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during a call, proceed
as follows:
XPress the or\nbutton on the
multifunction steering wheel.
or
XUse the volume controller of the audio
system/COMAND.
The system offers various services, e.g:
RAutomatic and manual emergency call
RRoadside Assistance call
RMB Info call
USA only: you can find information and a
description of all available features under
"Owners Online" at http://www.mbusa.com.
264Features
Stowage and features

The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
If the washer fluid level drops below the
recommended minimum of1liter, a message
appears in the multifunction display
prompting you to refill the washer fluid
(Ypage 239).
Further information on windshield washer
fluid/antifreeze (Ypage 350).
Maintenance
ASSYST PLUS
Service messages
The ASSYST PLUS service interval display
informs you of the nextservice due date.
Information on the type of service and service
intervals (see the separate Maintenance
Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
iThe ASSYST PLUS serviceinterval display
does not show any informationonthe
engine oil level. Observe the notes on the
engine oil level (Ypage 281).
The multifunction display shows a service
message for several seconds, e.g.:
RService A in .. Days
RService A Due
RService A Exceeded by .. Days
Depending on the operating conditions of the
vehicle, the remaining time or distance until
the next service due date is displayed.
The letterAorB, possibly in connection with
a number or another letter, shows the type of
service.Astands for a minor service andBfor
a major service.
You can obtain further information from an
authorized Mercedes-BenzCenter.
The ASSYST PLUS service interval display
does not take into accountany periods of
time during which the battery is
disconnected.
Maintaining the time-dependent service
schedule:
XNote down the service due date displayed
in the multifunctiondisplay before
disconnecting the battery.
or
XAfter reconnecting the battery, subtract
the battery disconnection periods fromthe
service date shown on the display.
Hidingaservice message
XPressor.
Displaying service messages
XSwitch on the ignition.
XUsingor, selecttheServ.
menu.
XPressorto select theASSYST
PLUSsubmenu and pressto confirm.
The service due date appears in the
multifunction display.
Information about Service
Resetting the ASSYST PLUS service
interval display
!If the ASSYST PLUS service interval
display has been inadvertently reset, this
setting can be corrected at a qualified
specialist workshop.
Have service work carried out as described
in the Maintenance Booklet. This may
otherwise lead to increased wear and
damage to the major assemblies or the
vehicle.
Aqualified specialist workshop, e.g. an
authorized Mercedes-BenzCenter, will reset
the ASSYST PLUS service interval display
after the service work has been carried out.
You can also obtain further information on
maintenance work, for example.
284Maintenance
Maintenance and care