2015 MERCEDES-BENZ A-CLASS HATCHBACK engine

note that the power output of the engine,
and consequently the vehicle's gradient-
climbing capability, decrease with increas-
ing altitude. Folding out the ball coupling
G
WARNING
If the ball coupling is not correctly engaged,
the trailer can detach. There is a risk of an
accident.
Always engage the ball coupling as described. G
WARNING
If you release the ball coupling or it does not
engage correctly when folding in, it will swing out. Within pivoting range of the ball coupling,
there is an increased risk of an accident and
injury.
Only release the ball coupling if the pivoting
range is unobstructed. Always make sure that the ball coupling engages when folding in.
Before you can tow a trailer with your vehicle, you must fold out the ball coupling.
The release wheel is located behind the left-
hand side panelling in the luggage compart-
ment. X
To open the cover: turn handle:anti-
clockwise, the fold down and remove
cover ;. X
Pull out release wheel =.
X Turn release wheel =anti-clockwise as far
as it will go.
The ball coupling disengages and folds out
behind the rear bumper. Indicator lamp ?
flashes. X
Pull the ball coupling in the direction of the
arrow until it engages in a vertical position.
The indicator lamp on the release wheel
goes out. The power socket folds down
automatically.
The multifunction display shows the
Check
Check trailer trailer hitch
hitchlock
lockdisplay mes-
sage until the ball coupling is engaged.
X Remove the protective covering from the
ball coupling and store it in a safe place.
X Make sure that the ball of the ball coupling
is clean and that it is either greased or dry
(grease free), depending on the instruc-
tions for the trailer. 232
Towing a trailerDriving an
d parking

The segments between the speed of the
vehicle in front and the stored speed light
up. Rev counter
! Do not drive in the overrevving range.
Doing so will damage the engine.
The red band in the rev counter 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 measured air tempera-
ture and not the road surface temperature.
The outside temperature display is in the mul- tifunction display (Y page 241).
There is a short delay before a change in out- side temperature appears in the multifunc-
tion display. Coolant temperature gauge
G
WARNING
If you open the bonnet while the engine is
overheating or while there is a fire in the
engine compartment, you could come into
contact with hot gases or other leaking ser-
vice products. There is a danger of injury.
Allow an overheating engine to cool down
before opening the bonnet. If there is a fire in the engine compartment, leave the bonnet
closed and notify the fire brigade.
The coolant temperature gauge is in the
instrument cluster on the right-hand side
(Y page 30). Under normal operating conditions and with
the specified coolant level, the coolant tem-
perature may rise to 120 †.
At high outside temperatures and when driv-
ing uphill, the coolant temperature may rise
to the end of the scale. Operating the on-board computer
Overview :
Multifunction display
; Right control panel
= Left control panel
X To activate the on-board computer: turn
the key to position 1in the ignition lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel. Displays and operation
239On-board computer/Displays Z

the fuel tank, a vehicle being refuelled
C
appears instead of approximate range :.
Recuperation display =shows you if
energy has been recuperated from the
kinetic energy in overrun mode and saved
in the battery. Recuperation display =
depends on the engine installed and is
therefore not available in all vehicles.
Digital speedometer X
Press the =or; button on the steer-
ing wheel to select the Trip
Trip menu.
X Press the 9or: button to select
digital speedometer ;.
Gearshift recommendation :Zmay also
be displayed.
Observe the information on gearshift rec-
ommendation :for manual transmission
(Y page 168 )or for automatic transmission
(shifting manually) (Y page 177).
Mercedes-AMG vehicles: a gearshift rec-
ommendation is shown in the status bar of
the multifunction display and not in the dig- ital speedometer display.
Resetting values X
Press the =or; button on the steer-
ing wheel to select the Trip
Trip menu.
X Press the 9or: button to select the
function that you wish to reset. X
Press ato confirm.
X Press :to select Yes Yesand press ato
confirm.
You can reset the values of the following func-
tions:
R Trip meter
R "From start" trip computer
R "From reset" trip computer
R ECO display
If you reset the values in the "ECO display",
the values in the "From start" trip computer
are also reset. If you reset the values in the
"From start" trip computer, the values in the
"ECO display" are also reset. Navigation menu
Displaying navigation instructions In the
Navi Navimenu, the multifunction display
shows navigation instructions.
Further information on navigation can be
found in the separate Audio 20 or COMAND
Online operating instructions.
X Switch on Audio 20 or COMAND Online;
see the separate operating instructions.
X Press the =or; button on the steer-
ing wheel to select the Navi
Navi menu.
Route guidance not active :
Direction of travel
; Current road Menus and submenus
243On-board computer/Displays Z

R
Activating/deactivating ESP ®
(except
Mercedes-AMG vehicles) (Y page 248)
R Activating/deactivating COLLISION PRE-
VENTION ASSIST PLUS (Y page 249)
R Activating/deactivating ATTENTION
ASSIST (Y page 249)
R Activating/deactivating Blind Spot Assist
(Y page 249)
R Activating/deactivating Lane Keeping
Assist (Y page 249)
Showing the assistance graphic X
Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press 9or: to select Assistance
Assistance
graphic
graphic.
X Press ato confirm.
The assistance graphic shows you the sta-
tus of and/or information from the follow-
ing driving systems or driving safety sys-
tems:
R Traffic Sign Assist (Y page 223)
R DISTRONIC PLUS (Y page 196)
R COLLISION PREVENTION ASSIST PLUS
(Y page 70)
R ATTENTION ASSIST (Y page 222)
R Lane Keeping Assist (Y page 228)
X Press :to display the ATTEN-
TION ASSIST assessment. Traffic Sign Assist In the
Traffic Traffic Sign
SignAssist
Assist menu, you can
switch the Traffic Sign Assist message func-
tion on or off. When the message function is
activated, detected traffic signs and informa-
tion appear in the multifunction display for
five seconds.
X Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
Traffic Sign Assist
Traffic Sign Assist .
X Press ato confirm.
The current selection appears.
X To activate/deactivate the message
function: pressaagain.
Further information about Traffic Sign Assist
(Y page 223).
Deactivating/activating ESP ® Observe the important safety notes on ESP
®
(Y page 73). G
WARNING
If you deactivate ESP ®
, ESP ®
no longer sta-
bilises the vehicle. There is an increased risk
of skidding and an accident.
Only deactivate ESP ®
in the situations descri-
bed in the following.
It may be best to deactivate ESP ®
in the fol-
lowing situations:
R when using snow chains
R in deep snow
R on sand or gravel
Deactivating/activating ESP ®
on Mercedes-
AMG vehicles (Y page 75).
For further information about ESP ®
, see
(Y page 73).
X Start the engine.
X Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press 9or: to select ESP
ESP. 248
Menus and submenusOn-board computer/
Displays

X
Press ato confirm.
The current selection appears.
X To activate/deactivate: pressa
again.
ESP ®
is deactivated if the åwarning
lamp in the instrument cluster lights up
continuously when the engine is running.
If the ÷ andå warning lamps light up
continuously, ESP ®
is not available due to a
malfunction.
Observe the information on warning lamps
(Y page 297).
Observe the information on display messages
(Y page 258).
Activating/deactivating COLLISION
PREVENTION ASSIST PLUS X
Press the =or; button on the steer-
ing wheel to select the Assist.
Assist. menu.
X Press the 9or: button to select
Collision Prevent. Assist Collision Prevent. Assist.
X Press ato confirm.
The current selection appears.
X To activate/deactivate: pressa
again.
When COLLISION PREVENTION ASSIST
PLUS is deactivated, the æsymbol
appears in the multifunction display in the
assistance graphic display.
For further information about COLLISION
PREVENTION ASSIST PLUS, see (Y page 70).
Activating/deactivating ATTENTION
ASSIST X
Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
Attention Assist
Attention Assist.
X Press ato confirm.
The current selection appears.
X Press ato confirm. X
Press the :or9 button to set Off Off,
Standard Standard orSensitive
Sensitive .
X Press the abutton to save the setting.
When ATTENTION ASSIST is deactivated,
the é symbol appears in the multifunc-
tion display in the assistance graphic dis-
play.
For further information about ATTENTION
ASSIST, see (Y page 222).
Activating/deactivating Blind Spot
Assist X
Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
Blind Spot Assist
Blind Spot Assist.
X Press ato confirm.
The current selection appears.
X To activate/deactivate: pressa
again.
Further information about Blind Spot Assist
(Y page 226).
Activating/deactivating Lane Keeping
Assist X
Press the =or; button on the steer-
ing wheel to select the Assist. Assist.menu.
X Press the 9or: button to select
Lane Keeping Assist
Lane Keeping Assist.
X Press ato confirm.
The current selection appears.
X Press aagain to confirm.
X Press the :or9 button to set Off
Off,
Standard
Standard orAdaptive
Adaptive.
X Press the abutton to save the setting.
When Lane Keeping Assist is activated, the
multifunction display shows the lane mark- ings as bright lines in the assistance
graphic.
For further information about Lane Keeping
Assist, see (Y page 228). Menus and submenus
249On-board computer/Displays Z

X
Press the :or9 button to select the
Dig. speedo [mph]
Dig. speedo [mph] function.
You will see the selected setting: on
onoroff
off.
X Press the abutton to save the setting.
Selecting permanent display
United Kingdom: this function is unavailable.
The Permanent display: Permanent display: function allows
you to choose whether the multifunction dis- play always shows the outside temperature or the speed.
The speed display is inverse to your speed-
ometer.
X Press the =or; button on the steer-
ing wheel to select the Settings
Settings menu.
X Press the :or9 button to select the
Instrument cluster
Instrument cluster submenu.
X Press ato confirm.
X Press the :or9 button to select the
Permanent display: Permanent display: function.
The current setting, outside tempera‐
outside tempera‐
ture
ture orDig. speedo [mph]:
Dig. speedo [mph]:, appears.
X Press the abutton to save the setting.
Lights Switching the daytime driving lights
on/off
The
Daytime driving lights Daytime driving lights function can
only be switched on with the engine turned
off.
X Press the =or; button on the steer-
ing wheel to select the Settings Settingsmenu.
X Press the :or9 button to select the
Lights
Lights submenu.
X Press ato confirm.
X Press the :or9 button to select the
Daytime driving lights
Daytime driving lights function.
If the Daytime driving lights
Daytime driving lights function
has been switched on, the cone of light and the W symbol in the multifunction dis-
play are shown in orange.
X Press the abutton to save the setting. Further information on daytime driving lights
(Y
page 120).
Vehicle Setting permanent SPEEDTRONIC
You can set permanent SPEEDTRONIC using
the
Limit Limit speed
speed(winter
(winter tyres)
tyres)function.
X Press the =or; button on the steer-
ing wheel to select the Settings
Settingsmenu.
X Press the :or9 button to select the
Vehicle
Vehicle submenu.
X Press ato confirm.
X Press :or9 to select the Limit
Limit
speed (winter tyres):
speed (winter tyres): function.
You will see the current setting.
X Press ato confirm.
X Press the :or9 button to adjust
permanent SPEEDTRONIC in increments of
ten (160 km/h 160 km/h to240 km/h
240 km/h). The Off
Offset-
ting switches permanent SPEEDTRONIC
off.
X Press the abutton to store the entry.
For further information on permanent SPEED- TRONIC (Y page 196).
Activating/deactivating the automatic
locking feature
X Press the =or; button on the steer-
ing wheel to select the Settings
Settings menu.
X Press the :or9 button to select the
Vehicle Vehicle submenu.
X Press ato confirm.
X Press the :or9 button to select the
Automatic door locks
Automatic door locks function.
If the Automatic door locks
Automatic door locks function is
switched on, the multifunction display
shows the doors in orange.
X Press the abutton to save the setting.
If you activate the Automatic door locks
Automatic door locks
function, the vehicle is centrally locked above
a speed of around 15 km/h.
For further information on the automatic lock- ing feature; see (Y page 91). Menus and submenus
251On-board computer/Displays Z

For safety reasons, not all functions are reset:
the Limit
Limit speed
speed(winter
(winter tyres)
tyres)function
in permanent SPEEDTRONIC can only be set
in the Vehicle
Vehicle submenu.
If you want to reset the Daytime driving
Daytime driving
lights
lights function in the Lights
Lights submenu, you
must turn the key to position 1in the ignition
lock. AMG menu (Mercedes-AMG vehicles)
WARMUP :
Digital speedometer
; Gear indicator
= Upshift indicator
? Engine oil temperature
A Coolant temperature
B Transmission oil temperature
X Press the =or; button on the steer-
ing wheel to select the AMG
AMG menu.
Upshift indicator: upshift indicatorUP
UP=
indicates that the engine has reached the
overrevving range when in the manual drive
program.
Engine and transmission oil tempera-
ture: when the engine and transmission
are at normal operating temperature, oil
temperature ?and Bare displayed in
white in the multifunction display.
If the multifunction display shows oil tem-
perature ?orB in blue, the engine or the
transmission are not yet at normal operat-
ing temperature. Avoid using the full output
of the engine during this time. SETUP :
Drive system Comfort Comfort/Sport
Sport/Sport +Sport+
; Suspension Comfort
Comfort/SportSport/Sport +
Sport +
= Transmission D
D/MM
? ESP ®
On
On/ Off
Off or SPORT handling mode
Sport
Sport
SETUP displays the following information and
functions:
R the digital speedometer
R the gear indicator
R the drive system setting
R the suspension mode
R the transmission position
R the ESP ®
(Electronic Stability Program) sta-
tus
X Press the =or; button on the steer-
ing wheel to select the AMG
AMGmenu.
X Press 9repeatedly until SETUP
appears.
RACETIMER Displaying and starting the RACETIMER
:
Lap
; RACETIMER
The RACETIMER is only intended for use on a closed race circuit. Do not use the function on
public roads. 254
Menus and submenusOn-board computer/Displays

You can start the RACETIMER when the
engine is running or if the key is in position 2
in the ignition lock.
X Press the =or; button on the steer-
ing wheel to select the AMG
AMG menu.
X Press the 9button repeatedly until the
RACETIMER appears.
X To start: press the abutton to start the
RACETIMER.
Displaying the intermediate time X
Press the =or; button to select
Interm. Time
Interm. Time .
X Press ato confirm.
The intermediate time is shown for five sec-
onds.
Starting a new lap :
RACETIMER
; Fastest lap time (best lap)
= Lap
X Press ato confirm New Lap
New Lap.
i A maximum of 16 laps may be stored. The
16th lap can only be completed with Fin‐
Fin‐
ish Lap
ish Lap. Stopping the RACETIMER X
Press the %button on the steering
wheel.
X Confirm Yes
Yeswith a.
The RACETIMER interrupts timing if you stop
the vehicle and turn the key to position 1in
the ignition lock. If you turn the key to position
3 and then press ato confirm Start Start, tim-
ing is continued.
Resetting the current lap
X Stop the RACETIMER.
X Press the =or; button to select
Reset Lap Reset Lap.
X Press ato reset the lap time to "0".
Deleting all laps If you switch off the engine, the RACETIMER is
reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If
you have stopped 16 laps, the current lap
does not have to be reset.
X Reset the current lap.
X Press ato confirm Reset
Reset.
Reset Race Timer? Reset Race Timer? appears in the multi-
function display.
X Press the :button to select Yes
Yesand
press the abutton to confirm.
All laps are deleted. Menus and submenus
255On-board computer/Displays Z