
It is not possible to deactivate variable
SPEEDTRONIC by braking.
Storing the current speed
You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running.
X Briefly press the cruise control lever
up : or down ?to the pressure point.
The current speed is stored and shown in
the multifunction display.
The segments in the multifunction display
lightupf rom the start of the scale up to the
stored speed.
Storing the current speed or calling up the
last stored speed G
WARNING
Only select astored speed if you know what
that speed is and whether it is suitable for the
curren tdrivin gand traffic situation .Other-
wise, sudden brakin gcould endanger you or
others.
X Briefly pull the cruise contro llever towards
you =.
Making adjustments in 10 km/h incre-
ments
X Briefly press the cruise contro llever
beyond the pressure point ,up:for a
higher speed or down ?for alower speed.
or
X Keep the cruise contro llever pressed
beyond the pressure point until the desired
speed is set. Press the cruise contro llever
up : for ahigher speed or down ?for a
lower speed. Making adjustments in
1km/h incre-
ments
X Briefly press the cruise contro llever to the
pressure point ,up:for ahigher speed or
down ?for alower speed.
or
X Keep the cruise contro llever pressed to the
pressure point until the desired speed is
set. Press the cruise contro llever up :for
ah igher speed or down ?for alower
speed.
Deactivating variable SPEEDTRONIC
There are several ways to deactivate variable
SPEEDTRONIC:
X Briefly press the cruise contro llever for-
wards B.
or
X Briefly press the cruise contro llever in the
direction of arrow A.
LIM indicator lamp ;in the cruise control
lever goes out. Variable SPEEDTRONIC is
deactivated.
Cruise contro lorDISTRONIC PLUS is selec-
ted.
Variable SPEEDTRONIC is automatically
deactivated:
R when you depress the accelerator pedal
beyond the pressure point (kickdown), but
only if your curren tspeed does not differ by
more than 20 km/ hfrom the stored speed.
You willh earawarningtoneift hisist he
case.
R on vehicles with manual transmission ,if
you shif ttoahigher gear and as aresult the
engine speed is too low. G
WARNING
It is not possible to deactivate variable Speed-
tronic by braking.
i The last speed stored is cleared when you
switch off the engine. 182
Driving systemsDriving and parking

Permanent SPEEDTRONIC
You can use the on-board computer to limit
the speed permanently to avalue between
16 0k m/ h(e.g. for driving on winter tyres)
and th emaximum spee d(Ypage 228).
Shortly before th estoreds peed is reached, it
appears in the multifunction display.
Permanent SPEEDTRONIC remains active,
even if variable SPEEDTRONIC is deactivated.
You cannot exceed the stored limit speed,
even if you depress the accelerator pedal
beyond the pressure point (kickdown). Dynamic handling package with
sports mode
General notes The most important part of the dynamic han-
dling package with sport smode is the adjust-
able suspension system. This automatically
controls and adapts the suspension to the
respective drivin gsituation.
The calibration of the suspension depends
on:
R your drivin gstyle
R the road surface conditions
R your individual selection; see the following
description
If your vehicle is equipped with automatic
transmission ,the dynamic handling package
with sport smode also includes steering
wheel gearshift paddles (Y page 157)with a
manual drive program (Y page 158). Example: position of dynamic handling package
with sport smode button
X Start the engine.
Sports tuning The firmer setting of the suspension tunin
gin
sport smode ensures even better contact
with the road. Select this mode when employ-
ing asport ydrivin gstyle, e.g. on winding
country roads.
Your selection remains stored until you
switc hoff the engine.
X Press button ;.
Indicator lamp :lights up. Sport ssuspen-
sion tunin gisselected. Depending on the
engin eoutput, the accelerator pedal is
more responsive. On vehicles with auto-
matic transmission ,drive program Sis
selected.
Comfor ttuning In comfort mode, the drivin
gcharacteristics
of your vehicle are more comfortable. Select
this mode if you prefer amore comfortable
drivin gstyle, but also when drivin gfast on
straight roads, e.g. motorways.
X Press button ;.
Indicator lamp :goes out. Comfortable
suspension tunin gisselected. On vehicles
with automatic transmission ,drive pro-
gram Eis selected. Driving systems
183Driving and parking Z

The braking effect of the HOLD function is
cancelled and the vehicle could roll away if:
R the HOLD function is deactivated by
depressing the accelerator pedal or the
brake pedal.
R there is amalfunction in the system or an
interruption in the power supply, e.g. bat-
tery failure.
R the electrical system in the engine com-
partment, the battery or the fuses are tam-
pered with.
R the battery is disconnected.
If you leave the vehicle or park it, deactivate
the HOLD function and secure the vehicle
against rolling away.
You will see awarning message in the multi-
function display if the HOLD function is acti-
vated and:
R the driver's door is open and the driver's
seat belt is unfastened.
R the engine is switched off, unless it is auto-
matically switched off by the ECO start/
stop function.
R the bonnet is opened.
For vehicles with manual transmission:
Brake immediately X
Immediately depress the brake pedal firmly
until the warning message in the multifunc-
tion display goes out. This deactivates the
HOLD function.
On vehicles with automatic transmission:
Select Park (P) X
Move the selector lever to Pto prevent the
vehicle from rolling away.
The HOLD function is deactivated. The
warning message in the multifunction dis-
play disappears.
Ah orn will also sound at regular intervals if
the HOLD function is activated and you:
R switch the engine off, open the driver's
door and take off your seat belt
R open the bonnet The sounding of the horn alerts you to the fact
that the vehicle has been parked while the
HOLD function is still activated. The tone
becomes louder if you attempt to lock the
vehicle. The vehicle is not locked until the
HOLD function is deactivated.
i If the engine has been switched off, it
cannot be started again until the HOLD
function has been deactivated.
If there is afault in the system or power supply
while the HOLD function is activated, the
Brake immediately message is shown in
the multifunction display .Immediately
depress the brake firmly until the warning
message in the multifunction display goes
out.
On vehicles with automatic transmission, you
can alsos hift into position P.This deactivates
the HOLD function. PARKTRONIC
Important safety notes G
WARNING
PARKTRONIC is only an aid and may not
detect all obstacles. It is not asubstitute for
attentive driving.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could otherwise endanger
yourself and others. G
WARNING
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured.
PARKTRONIC is an electronic parking aid with
ultrasonic sensors. It indicates visuallya nd
audibly the distance between your vehicle
and an object. Driving systems
185Driving and parking Z

the minimum
,the distance ma ynolongerbe
shown.
Warning displays The warning displays show the distance
between the sensors and the obstacle. The
warning displayf or the front area is located
on the dashboard above the centre air vents.
The warning displayf or the rear area in the
Coupéisl ocated on the roof lining in the rear
compartment;int he Cabriolet, it is between
the rear seats. Warning displayf
or the front area
: Segmentsont he left-hand side of the
vehicle
; Segmentsont he right-hand side of the
vehicle
= Segmentss howing operational readiness
The warning displayf or each side of the vehi-
cle is divided into five yellow and two red seg-
ments. PARKTRONIC is operational if yellow
segments showing operational readiness =
light up.
The gear lever position or the transmission
position of the automatic transmission deter-
mines which warning displayisa ctive when
the engine is running. Manual transmission: Gear lever posi-
tion Warning display
Forwards gear
or
Neutral
Front area activated
Reverse gear
Rear and front areas
activated
Automatic transmission:
Transmission
position Warning display
D
Front area activated
R
or N Rear and front areas
activated
P
No areas activated
One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
R
sixth segment onwards, you will hear an
intermittent warning tone for approx-
imately two seconds.
R seventh segment onwards, you will hear a
warning tone for approximately two sec-
onds. This indicates that you have now
reached the minimum distance. Driving systems
187Driving and parking Z

Parking Guidance will only detect parking
spaces:
R that are parallel to the direction of travel
R that are at least 1.5 mwide
R that are at least 1.3 mlonger than your
vehicle
Ap arking spac eisdisplayed while you are
driving past it, and until you are approx-
imately 15 maway from it.
Parking G
WARNING
PARKTRONIC and Parking Guidance are
merely parking aids and may no tdetec tall
obstacles. They do not reliev eyou of the
responsibilit yofpaying attention.
You are always responsible for safet yand
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could otherwise endanger
yourself and others.
X Stop the vehicle when the parking space
symbol shows the desired parking space in
the instrumen tcluster.
X Vehicles with manual transmission :shift to
reverse gear.
Vehicles with automatic transmission: shift
into position R.
The following message appears in the mul-
tifunction display: Check vehicle sur‐ roundings Confirm with OK .
X Press the abutton on the multifunction
steering wheel to confirm.
The multifunction displays witches to Park-
ing Guidance.
Depending on your distance from the park-
ing space, the Please drive backwards message appears in the multifunction dis-
play. Example: vehicles with automatic transmission
X
If necessary, reverse towards the parking
space. This is indicated by an arrow point-
ing backwards.
Continue reversing until you hear atone.
Stop –the parking position has been
reached. The arrow is white.
The Please steer to the right or
Please steer to the left message
appears in the multifunction display. Example: vehicles with automatic transmission
X
While the vehicle is stationary, turn the
steering wheel in the specified direction
until the arrow is white and awarning tone
sounds.
X To reverse into the parking space: main-
tain the steering wheel angle and reverse
carefully.
X Stop as soon as you hear awarning tone,
The vehicle has reached the position in
which you need to countersteer.
The Please steer to the left or
Please steer to the right message
appears in the multifunction display.
X Countersteering: while the vehicle is sta-
tionary, turn the steering wheel in the
specified direction until the arrow is white
and awarning tone sounds. Driving systems
191Driving and parking Z

Vehicles with manual transmission:
the
indicators in the lowe rpartoft he multifunc-
tion display differ from the display shown
here.
The following messages can appear in the
multifunction display:
Z Shift recommendation
(Ypage 154)
XjY Parking Guidance (Y page 189)
_ Adaptive Highbeam Assist
(Ypage 119)
À ATTENTIONASSIST (Y page 194)
¤ ECO start/stop function
(Ypage 150)
Ä Speed Limit Assist (Y page 195)
à Lane Keeping Assist
(Ypage 198) or Active Lane Keep-
ing Assist (Y page 202)
HOLD HOLD function (
Ypage 184)
Ä PRE-SAFE®
Brake (Y page 66)
120km/h! Maximu
mpermissible speed
exceeded (only for certain coun-
tries) Displays and operation
215On-boardcomputer and displays Z

R
changing the instrument cluster settings
R changing the time/date settings 20
R changing the light settings
R changing the vehicle settings
R changing the auxiliary heating settings
R changing the convenience settings
R restoring the factory settings
Instrumen tcluster Selecting th
eunit of measurement for dis-
tance
The Display unit Speed-/odometer: function allows you to choose whether cer-
tain displays appear in kilometres or miles.
The selected unit of measurement for dis-
tance applies to:
R the digital speedometer in the Trip menu
R the total distanc erecorder and the trip
meter
R the trip computer
R the current consumption and the range
R the navigation instruction in the Navi menu
R cruis econtrol
R SPEEDTRONIC
R DISTRONIC PLUS
R ASSYS TPLUS service interval display
X Press the =or; button on the steer-
ing wheel to selec tthe Settings menu.
X Press the :or9 button to select the
Inst. cluster submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Display unit Speed-/odometer func-
tion.
You will see the selected setting: km or
miles .
X Press the abutton to save the setting. Switching the additional speedometer
on/off
Only vehicles with manual transmission have
this function.
i
Vehicles for the United Kingdom: this
function is not available.
The Dig. speedom [mph]: function allows
you to choose whether the status area in the
multifunction displaya lways shows the speed
in mph instead of the outside temperature.
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Inst. cluster submenu.
X Press the abutton to confirm.
X Press :or9 to select the Dig. speedo [mph]: function.
You will see the selected setting: on or
off .
X Press the abutton to save the setting.
Selecting the permanent display function
Only vehicles with automatic transmission
have this function.
i Vehicles for the United Kingdom: this
function is not available.
The Permanent display: function allows
you to choose whether the multifunction dis-
play always shows the outside temperature
or the speed in mph.
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Inst. cluster submenu.
X Press the abutton to confirm.
X Press :or9 to select the Perma‐ nent display function.
You will see the selected setting: outside temperature or
Dig. speedom [mph] .
X Press the abutton to save the setting.
20 This function is not available on vehicles with Audio 50 APS, Audio 55 APS or COMAND APS. Menus and submenus
225On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
J
Brake immediately Am
alfunction has occurred while th eHOLDf unction or DIS-
TRONIC PLU Sisactive.
or
Vehicles wit hmanual transmission: wit hthe HOLD function acti-
vated, you hav eeither:
R opened th edriver's doo rand released the sea tbelt or
R switched off the engin eor
R opened the bonnet
At one may also sound at regular intervals. The toneb ecomes
louder if you attempt to lock the vehicle.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disap-
pears.
X Prevent the vehicle from rolling away before you leave it
(Y page 301).
You can restart the engine. J
Check brake fluid
level G
Risk of accident
There is insufficient brake fluid in the brake fluid reservoir. In addi-
tion, the red Jwarning lamp in the instrument cluster lights
up and awarning tone sounds.
X Pullo ver and stop the vehicl esafel yass oon as possible,p aying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult aqualified specialist workshop.
X Do not top up the brake fluid. This does not correct the error. #
Check brake wear The brake pads/linings have reache
dtheir wearl imit.
X Visit aqualified specialist workshop. PRE-SAFE
inoperative See
Owner's Man. G
Risk of injury
Important function sofPRE-SAFE ®
have failed .All other occupant
safet ysystems, e.g. airbags, remain available.
X Visit aqualified specialist workshop immediately. Display messages
235On-board computer and displays Z