wheel MERCEDES-BENZ E-CLASS CABRIOLET 2011 Repair Manual

X
Secure the traile ragainst rolling away.
X Remove the trailer cable and decouple the
trailer. Folding in the ball coupling
i Fold the ball coupling back in if you are
not using the trailer tow hitch. G
WARNING
Make sure that no persons or animals are in
the pivoting range of the ball coupling. Other-
wise, they could be injured.
X Place the protective cap on the ball cou-
pling.
The release wheel is located behind the left-
hand side trim panel in the boot. X
To open the cover: turn handle:anti-
clockwise and fold down cover ;. X
Pull out release wheel ;.
X Turn release wheel ;anti-clockwise.
The ball coupling unlocks and lowers. Indi-
cator lamp :flashes. X
Press the ball coupling in the direction of
the arrow until it engages behind the
bumper.
Indicator lamp :goes out and the mes-
sage in the multifunction display disap-
pears. Trailer power supply
When it leaves the factory, your vehicle's
trailer socket is equipped with apermanent
power supply and apower supply that is
switched on via the ignition lock.
The permanent power supply is supplied via
trailer socket pin 9.
The power supply that is switched on via the
ignition lock is supplied via trailer socket pin
10.
! You can connect consumers with apower
rating of up to 240 Wtothe permanent
power supply and up to 180 Wtothe power
supply that is switched on via the ignition
lock.
You must not charge atrailer battery using
the power supply.
The trailer's permanent power supply is
switched off in the event of low vehicle supply
voltage and after six hours at the latest. 208
Trailer towingDriving and parking

!
Do not drive in the overrevving range.
Doing so will damage the engine.
The fuel supplyisi nterrupted to protect the
engine when the red band is reached. Outside temperatured
isplay
The outside temperature displayisint he mul-
tifunction display( Ypage 214). G
WARNING
At temperatures just above freezing point, the
street may be icy, especiallyinw ooded areas
or on bridges. If you do not adapty our driving
style to the conditions, the vehicle could skid.
For this reason, adapt your driving style and
speed to the weather conditions.
Changes in the outside temperature are dis-
playeda fterashort delay. Speedometer with segments
The segment sinthe speedometer indicate
which speed range is available.
Cruise control (Y page 169) activated:
The segment slight up from the stored speed
to the maximum speed.
Variable SPEEDTRONIC (Y page 180) activa-
ted:
The segment slight up from the start of the
scale to the selected limit speed.
DISTRONIC PLUS (Y page 171) activated:
One or two segment sinthe set speed range
light up.
DISTRONIC PLUS detect savehicle in front:
The segment sbetween the speed of the vehi-
cle in front and the stored speed light up. Operating the on-board computer
Overview The on-board computer is activated as soon
as you 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 button sonthe multifunction steering
wheel. :
Multifunction display
; Switches on LINGUATRONIC; see the sep-
arate operating instructions
= Right control panel
? Left control panel
A Back button Displays and operation
213On-board computer and displays Z

Left control panel
=
; R
Calls up th emenua nd men ubar 9
:
Press briefly:
R
Scrolls through lists
R Select sasubmenu or function
R In the Audio menu: selects a
stored station, an audio track or
av ideo scene
R In the Tel (telephone) menu:
switche stothephon ebook and
selects anam eort elephone
number 9
:
Press and hold:
R
In the Audio menu: selects the
previous/nex tstation or selects
an audi otrack or avideo scene
using rapi dscrolling
R In the Tel (telephone
)menu:
starts rapi dscrolling throug hthe
phone book a R
Confirms selection/displa ymes-
sage
R In the Tel (telephone
)menu:
switches to the telephone book
and starts dialling the selected
number
R In the Audio menu
:stops the
statio nsearch functio natthe
desired station Right contro
lpanel ~ R
Rejects or end sacall
R Exits telephone book/redial
memory 6 R
Makes or accepts acall
R Switche stothe redia lmemory W
X R
Adjusts the volume 8 R
Mute Bac
kbutton %
Press briefly:
R
Back
R Switche soff LINGUATRONIC
R Hides displa ymessage sorcalls
up the last Trip menu function
used
R Exits the telephone book/redial
memory %
Press and hold:
R
Call supthe standard displa yin
the Trip menu
Multifunctio
ndisplay
Values and setting saswellasd isplay mes-
sage sareshown in the multifunctio ndisplay. :
Descriptio nfield
; Men ubar
= Drive program
? Outside temperature or speed
(Ypage 225)
A Transmission position
X To show menu bar ;:press the =
or ; button on the steerin gwheel. 214
Display
sand operationOn-board computer and displays

Trip menu
Standard display X
Press and hol dthe % button on the
steering whee lunti lthe Trip menu with
tota ldistance recorder :and trip
meter ;is shown.
Trip compute r"From start" or "From
reset" The values in the
Fromstart submenu are
calculate dfromt he start of ajourney, whilst
the values in the From reset submenu are
calculated from the last time the submenu
was reset (Y page 218).
X Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press 9or: to select From start or
From reset .
Trip computer "From start" (example)
:
Distance
; Time
= Average speed
? Average fuel consumption
The From start trip computer is reset auto-
matically when: R
the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9999 kilometres have been exceeded.
The From reset trip computer is reset if the
trip exceeds 9999 hours or 99,999 kilome-
tres.
Displaying the range and current fuel
consumption X
Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select
current fuel consumption and approximate
range. The approximate range which can be covered
depends on the fuel level and your current
driving style. If there is only
asmall amount
of fuel left in the fuel tank,t he displayshows
av ehicle being refuelled Cinstead of the
range.
Digital speedometer X
Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select the
digital speedometer. :
Shift recommendation
; Digital speedometer Menus and submenus
217On-board computer and displays Z

i
If the gearshift recommendation is shown
in the multifunction display,itisn ot shown
in the status bar.
For further information on gearshift recom-
mendations, see (Y page 154).
Resetting values You can reset the values of the following func-
tions:
R
trip meter
R trip computer "From start"
R trip computer "From reset"
X Press the =or; button on the steer-
ing wheeltos elect theTrip menu.
X Press the 9or: button to select the
function that you wish to reset.
X Press a. Resetting the trip computer "From start" (example)
X Press :to select Yes and press
a
to confirm. Navigation menu
Displaying navigatio ninstructions In the
Navi menu, the multifunction display
shows navigation instructions. For more
information, see the separate operating
instructions.
X Switch on the audio system or COMAND
APS (see the separate operating instruc-
tions).
X Press the =or; button on the steer-
ing wheeltos elect theNavi menu.Route guidance not active :
Direction of travel
; Current street
Activated route guidance No change of directio
nannounced :
Distance to the destination
; Distance to the next change of direction
= Current street
? Symbol for "follow the road's course"
Change of directio nannounced without a
lane recommendation :
Roadtow hich the change of direction
leads
; Distance to change of direction and visual
distance display
= Current street
? Change-of-direction icon
When achange of direction has been
announced, you wills ee visualdistancedis-
play ;nex ttot he symbol for change of 218
Menus and submenusOn-board computer and displays

direction
?.This decreases in size as you
approach the announced change of direction.
Change of direction announced with a
lane recommendation
Lane recommendations are only displayed if
the relevant data is available on the digital
map. :
Road to which the change of direction
leads
; Distancetoc hange of direction and visual
distance display
= Lane recommendation
? Change-of-direction icon
On multi-lane roads, lane recommendation
= may be shown for the next change of
direction. During the change of direction,
additional lanes may be displayed. Lane recommendation display (example)
:
Lane continues through change of direc-
tion
; New lane during achange of direction
Other status indicators of the naviga-
tion system R
O:y ou have reached the destination or an
intermediate destination.
R New route... or
Calculating route :a
new route is being calculated. R
Off map or
Off road :t
he vehicle position
is outside the area of the digital map (off-
map position).
R No route :nor
oute could be calculated to
the selected destination. Audio menu
Selecting aradio station You can only change the waveband and store
new stations using the audio system or
COMAND APS.
X Switch on the audio system or COMAND
APS and select Radio (see the separate
operating instructions).
X Press the =or; button on the steer-
ing wheel to select the Audio menu.
:
Waveband
; Station 18
X To selectas toredstation: brieflypress
the 9 or: button.
X To select astation from the station
list: press and briefl yholdt he 9
or : button.
X To select astatio nusing station
search 19
:press and briefl yholdt he 9
or : button.
i DAB radi omode(Digit alAudio Broadcast-
ing); see the separate operating instruc-
tions.
18 If the statio nhas been stored ,the memory position will also be displayed.
19 Onl yifnos tatio nlist is received. Menus and submenus
219On-boardcomputer and displays Z

Audio player or audio media operation
Audio dat
afromv arious audio device sor
media can be played, depending on th eequip-
men tfitte dint hevehicle.
X Switc hont heaudio system or COMAND
AP Sa nd select the audi odeviceorm edium
(see the separate operating instructions).
X Press the =or; button on the steer-
ing whee ltoselect the Audio menu.
CD change
rdisplay (example)
: Curren ttrack
X To select th enext/previou strack:
briefl ypress the 9or: button.
X To select atrac kfromt he trac klist
(rapid scrolling): press and hold the
9 or: button unti lthe desired track
ha sb eenr eached.
If yo upress and hold the 9or: but-
ton, the rapi dscrolling spee disincreased.
Not al laudio devices or media support this
function.
If track information is stored on the audio
device or medium, the multifunctio ndisplay
will show the number and name of the track.
The current track does not appear in audio
AUX mode (Aux iliary audio mode: external
audio sourc econnected).
TV operation i
Dependin gonthe digital TV broadcaster,
radio station scan also be received. The
multifunction display shows TV (Radio) .
For selectin garadio station ,see
(Y page 219). X
Switch on COMAND APS and selec tTV(see
the separate operating instructions).
X Press the =or; button on the steer-
ing wheel to select the Audio menu.
:
Current station
X To select astore dstation: brieflypress
the 9 or: button.
X To select astation from the station
list: press and briefl yholdt he 9
or : button.
Vide oDVD operation X
Switch on COMAND APS and select video
DVD (see the separate operating instruc-
tions).
X Press the =or; button on the steer-
ing whee ltoselect the Audio menu.
DVD change
rdisplay (example)
: Curren tscene
X To select th enext or previous scene:
briefly press the 9or: button.
X To select ascene from th escene list
(rapid scrolling): press and hold the
9 or: buttonuntil the desired
scene ha sbeenr eached. 220
Menus and submenusOn-board computer and displays

Telephon
emenu
Introduction Functions and displays ar
edependen tonthe
optional equipment installed in your vehicle.
You can place your mobile phone in the
mobile phone bracket (Y page 273), or set
up aB luetooth ®
connection to the audios ys-
tem or COMAND APS (see the separate oper-
ating instructions).
i You can obtain further information about
suitable mobile phones and connecting
mobile phones via Bluetooth ®
:
R in any Mercedes Benz Service Centre
R on the Internet at http://
www.mercedes-benz.com/connect G
WARNING
Observe the legal requirements of the country
in which you are currently driving regarding
the use of mobile phones in the vehicle.
If it is permitted to use mobile phones while
the vehicle is in motion, you should only use
them when the road and traffic conditions
allow.O therwise, yo umaybe distracted from
the traffi cconditions ,cause an accident and
injure yourself and others.
X Switch on the mobil ephone and audi osys-
tem or COMAND APS (see the separate
operating instructions).
X Press the =or; button on the steer-
ing whee ltoselect theTel menu.
Yo uw ills ee one of the following displa ymes-
sage sint he multifunctio ndisplay:
R Please enter PIN :t
he mobile phone has
been placed in the mobile phone bracket
and the PIN has not been entered.
X Enter the PIN using the mobile phone, LIN-
GUATRONIC, the audios ystem or
COMAND APS.
The mobile phone will search for anetwork. R
Telephone ready or the name of the net-
work provider: the mobile phone has found
an etwork and is ready to receive.
R Telephone No Service :non
etwork is
available, or the mobile phone is searching
for anetwork.
Accepting acall If someone call
syou whe nyou are in the
Tel menu,
adisplay message appears in the
multifunction display ,for example: X
Press the 6button on the steering
wheel to accept an incomin gcall.
If you are not in the Tel menu, you can still
accept acall.
Rejecting or ending acall X
Press the ~button on the steering
wheel.
If you are not in the Tel menu, you can still
reject or end acall.
Dialling anumber from the phone book If you
rmobile phone is able to receive calls,
you can search for and dial anumber from the
phone book in the audio system or COMAND
APS at any time.
X Copy the telephone book of the mobile
phone into the audio system or to COMAND
APS (see the separate operating instruc-
tions).
X Press the =or; button on the steer-
ing wheel to select the Tel menu.
X Press the 9,:ora button to call
up the phone book. Menus and submenus
221On-board computer and displays Z

X
Press the 9or: button to select the
desired name.
To start scrolling rapidly, press and hold the
9 or: button for longer than one
second. After ashort time, the rapid scroll
speeds up.
Rapid scrolling stops when you release the
button or reach the end of the list.
X If only one telephone number is stored
for aname: press the 6ora button
to start dialling.
or
X If thereism ore thanone number for a
particular name: press the6ora
button to display the numbers.
X Press the 9or: button to select the
number you want to dial.
X Press the 6ora button to start dial-
ling.
or
X If you do not want to makeac all:press
the ~ or% button.
Redialling The on-board computer saves the last names
or numbers dialled in the redial memory.
X Press the =or; button on the steer-
ing wheel to select the Tel menu.
X Press the 6button to switch to the
redial memory.
X Press the 9or: button to select the
desired name or number.
X Press the 6ora button to start dial-
ling.
or
X If you do not want to makeac all:press
the ~ or% button. Assistance menu
Introduction In the
Assist. menu you can:
R display Speed Limit Assist and activate/
deactivat ethe message function of Speed
Limit Assist
R show the distanc edisplay
R activate/deactivate ESP ®
R activate/deactivate PRE-SAFE ®
Brake
R activate/deactivate ATTENTION ASSIST
R activate/deactivate Blind Spot Assist or
Active Blind Spot Assist
R activate/deactivate Lane Keeping Assist or
Active Lane Keeping Assist
Speed Limit Assist Displaying Speed Limit Assist
In the
Speed Lim. Asst. function,
adetec-
ted speed limit is displaye dunder certain
conditions (Y page 195).
X Press =or; on the steerin gwheel
to select the Assist. menu.
X Press 9or: to select Speed Lim.
Asst. .
X Press a.
The multifunction display shows Speed
Limit Assist.
Activating/deactivating the Speed Limit
Assist message function
You can set Speed Limit Assist (Y page 195)
to display adetected speed limit automati-
cally for five seconds. Other messages in the
multifunction display will be faded out for this
length of time. 222
Menus and submenusOn-board computer and displays

X
Press =or; on the steerin gwheel
to select the Assist. menu.
X Press 9or: to select Speed Lim.
Asst. .
X Press a.
The multifunction display shows Speed
Limit Assist.
X Press :.
The curren tselection is displayed.
X To activate or deactivate: pressa.
If Speed Limit Assist is operational and the
message function is activated, the multifunc-
tion display shows the Äsymbol when the
ignition is switched on.
Showing the distance display This function is only available with DIS-
TRONIC PLUS.
X Press =or; on the steering wheel
to select the Assist. menu.
X Press the 9or: button to select
Distanc edisplay .
X Press a.
The DISTRONIC PLUS distanc edisplay
(Y page 178)a ppears in the multifunction
display.
Deactivating/activating ESP ®G
WARNING
If the ä warning lamp in the instrument
cluster flashes, proceed as follows:
R do not deactivat eESP®
under any circum-
stances.
R only depress the accelerator pedal as far as
necessary when pulling away.
R adapt your driving style to suit the prevail-
ing road and weather conditions.
Otherwise, the vehicle could skid.
ESP ®
cannot reduce the risk of an acciden tif
you drive to ofast. ESP ®
canno toverride the
laws of physics. Fo
rfurther information about ESP ®
,s ee
(Y page 64).
X Start th eengine.
X Press =or; on thesteerin gwheel
to select the Assist. menu.
X Press the 9or: buttontos elect
ESP .
X Press the abutton.
X To deactivate: pressaagain.
The å warning lamp in the instrument
cluster comes on. G
WARNING
If the å warning lamp in the instrument
cluster lights up when the engine is running,
ESP ®
is deactivated or is unavailabl edue to a
malfunction. The risk that your vehicle may
start to skid then increases in certain situa-
tions.
Always adapt your driving style to the prevail-
ing road and weather conditions.
X To activate: pressaagain.
The å warning lamp in the instrument
cluster goes out.
Activating/deactivating the PRE-SAFE ®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press =or; on the steerin gwheel
to select the Assist. menu.
X Press 9or: to select PreSafe Brake .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: pressa
again.
When PRE-SAFE ®
Brake (Y page 66) is acti-
vated, the multifunction display shows the
Ä symbol as long as the HOLD function is
not activated (Y page 184). Menus and submenus
223On-board computer and displays Z