2014 MERCEDES-BENZ E-Class CABRIOLET start stop button

!
Depressing the brake pedal constantly
results in excessive and premature wear to
the brake pads.
If the brakes have been subjected to a heavy
load, do not stop the vehicle immediately, but
drive on for a short while.T his allows the
airflow to cool the brakes more quickly.
Wet roads If you have driven for a long time in heavy rain
without braking, there may be a delayed
reaction from the brakes when braking for the
first time. This may also occur after the
vehicle has been washed or driven through
deep water.
You have to depress the brake pedal more
firmly. Maintain a greater distance from the
vehicle in front.
After driving on a wet road or having the
vehicle washed, brake firmly while paying
attention to the traffic conditions. This will
warm up the brake discs, thereby drying them
more quickly and protecting them against
corrosion.
Limited braking performance on salt-
treated roads If you drive on salted roads, a layer of salt
residue may form on the brake discs and
brake pads. This can result in a significantly
longer braking distance.
R Brake occasionally to remove any possible
salt residue. Make sure that you do not
endanger other road users when doing so.
R Carefully depress the brake pedal and the
beginning and end of a journey.
R Maintain a greater distance to the vehicle
ahead.
Servicing the brakes !
If the red brake warning lamp lights up in
the instrumentc luster and you hear a
warning tone while the engine is running,
the brake fluid level may be too low. Observe additional warning messages in
the multifunction display.
The brake fluid level may be too low due to
brake pad wear or leaking brake lines.
Have the brake system checked
immediately. This work should be carried
out at a qualified specialist workshop.
! Vehicles with 4MATIC: function or
performance tests may only be carried out
on a 2-axle dynamometer. If you are
planning to have the vehicle tested on such
a dynamometer, contact an authorized
Mercedes-Benz Center to obtain further
information first. Otherwise, you could
damage the drive train or the brake system.
! Vehicles with 4MATIC: as the ESP®
system operates automatically, the engine
and the ignition must be switched off
(SmartKey in position 0or 1in the ignition
lock or Start/Stop button in position 0or
1) while the parking brake is being tested
on a brake dynamometer.
Braking maneuvers triggere dautomatically
by ESP ®
may seriously damage the brake
system.
! Vehicles with 4MATIC: as the ESP®
system operates automatically, the engine
and the ignition system must be switched
off (SmartKey in position 0or 1in the
ignition lock or Start/Stop button in
position 0or 1) when:
R testing the parking brake on a brake
dynamometer.
R you intend to have the vehicle towed with
the fron taxle raised.
Braking maneuvers triggered automatically
by ESP ®
may seriously damage the brake
system.
All checks and maintenance work on the
brake system must be carried ou tata
qualified specialist workshop. Consult a
qualified specialist workshop to arrange this.
Have brake pads installed and brake fluid
replaced at a qualified specialist workshop. Driving tips
187Driving and parking Z

Active Parking Assist is switched on
automatically when driving forwards
.The
system is operational at speeds of up to
approximately 22 mph (35 km/h). While in
operation, the system independently locates
and measures parking spaces on both sides
of the vehicle.
Active Parking Assist will only detect parking
spaces:
R that are parallel or at right-angles to the
direction of travel
R that are parallel to the direction of travel
and at least 59 in (1.5 m) wide
R that are parallel to the direction of travel
and at least 39.5 in (1.0 m) longer than your
vehicle
R that are at right angles to the direction of
travel and at least 39.5 in (1.0 m) wider
than your vehicle
i In the case of parking spaces that are at
right angles to the direction of travel,
please ensure that the parking space is
long enough to accommodate your vehicle.
When driving at speeds below 19 mph
(30 km/h), you will see parking symbol as a
status indicator in the instrument cluster.
When a parking space has been detected, an
arrow towards the right or the left also
appears. By default, Active Parking Assist
only displays parking spaces on the front-
passenger side. Parking spaces on the
driver's side are displayed as soon as the turn
signal on the driver's side is activated. When
parking on the driver's side, this must remain
switched on until you acknowledge the use of
Active Parking Assist by pressing the 000B
button on the multifunction steering wheel.
The system automatically determines
whether the parking space is parallel or at
right-angles to the direction of travel.
Ap arking space is displayed while you are
driving past it, and until you are
approximately 50 ft (15 m) away from it. Parking i
Vehicles with automatic transmission:
When PARKTRONIC detects obstacles,
Active Parking Assist brakes automatically
during the parking process. You are
responsible for braking in good time.
X Stop the vehicle when the parking space
symbol shows the desired parking space in
the instrument cluster.
X Shift the transmission to position R.
The Start Park Assist? Yes: OK No: 0007
message appears in the multifunction
display.
X To cancel the procedure: press the
0007 button on the multifunction steering
wheel or pull away.
or
X To park using Active Parking Assist:
press the 000Bbuttonont he multifunction
steering wheel.
The Park Assist Active Accelerate and Brake Observe Surroundings
message appears in the multifunction
display.
X Let go of the multifunction steering wheel.
X Back up the vehicle, being ready to brake
at all times. When backing up, drive at a
speed below approximately 6mph
(10 km/h). Otherwise Active Parking Assist
will be canceled.
Active Parking Assist brakes the vehicle to
a standstill when the vehicle is in the
parking space.
Maneuvering may be required in tight
parking spaces.
The Park Assist Active Select D Observe Surroundings message appears in
the multifunction display.
X Shift the transmission to position Dwhile
the vehicle is stationary.
Active Parking Assist immediately steers in
the other direction. Driving systems
209Driving and parking Z

Left control panel
0002
0005 R
Calls up the menu and menu bar 0003
0004
Press briefly:
R
Scrolls in lists
R Selects a submenu or function
R In the Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 0003
0004
Press and hold:
R
In the Audio menu: selects the
previous/nex tstation or selects
an audio track or a video scene
using rapid scrolling
R In the Tel (Telephone) menu:
starts rapid scrolling if the phone
book is open 000B R
Confirms a selection/display
message
R In the Tel (telephone) menu:
switches to the telephone book
and starts dialing the selected
number
R In the Audio menu: stops the
station search function at the
desired station Right control panel
000D R
Rejects or ends a call
R Exits phone book/redial
memory 0004 R
Makes or accepts a call
R Switches to the redial memory 0009
000A R
Adjusts the volume 0006 R
Mute Back button
0007
Press briefly:
R
Back
R Switches off the Voice Control
System; see the separate
operating instructions
R Hides display messages/calls
up the last Trip menu function
used
R Exits the telephone book/redial
memory 0007
Press and hold:
R
Calls up the standard display in
the Trip menu
Multifunction display
0002
Text field
0003 Menu bar
0023 Drive program (Y page 172)
0022 Transmission positio n(Ypage 172)
0020 Permanent display: outside temperature
or speed (Y page 243)
X To show menu bar 0003:press the 0002
or 0005 button on the steering wheel.
Menu bar 0003disappears after a few seconds. 234
Displays and operationOn-board computer and displays

Text field
0002shows the selected menu or
submenu as well as display messages.
The following messages may appear in the
multifunction display:
000B Shift recommendation
(Ypage 176)
00090013000A Active Parking Assist (Y page 207)
CRUISE Cruise control (Y
page 189)
0003 Adaptive Highbeam Assist
(Ypage 140)
000C ECO start/stop function
(Ypage 168)
0001 HOLD function (Y page 201) Menus and submenus
Menu overview
Press the 0002or0005 button on the
steering wheel to call up the menu bar and
select a menu.
Operating the on-board computer
(Y page 233).
Depending on the equipment installed in the
vehicle, you can call up the following menus:
R Trip menu (Y
page 235)
R Navi menu (navigation instructions)
(Y page 237)
R Audio menu (Y
page 238)
R Tel menu (telephone) (Y
page 239)
R DriveAssist menu (assistance)
(Y page 240)
R Serv. menu (Y
page 243)
R Settings menu (settings) (Y
page 243) Trip menu
Standard display X
Press and hold the 0007button on the
steering wheel until the Trip menu with
trip odometer 0002and odometer 0003is
shown.
Trip computer "From Start" or "From
Reset" Example: trip computer "From Start"
0002
Distance
0003 Time
0023 Average speed
0022 Average fuel consumption
X Press the 0002or0005 button on the
steering wheel to select the Trip menu.
X Press 0003or0004 to select From Start or
From Reset .
The values in the From Start submenu are
calculated from the start of a journey whilst
the values in the From Reset submenu are
calculated from the last time the submenu
was reset (Y page 236).
The From Start trip computer is
automatically reset when:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 miles have been exceeded. Menus and submenus
235On-board computer and displays Z

X
Press the 0003or0004 button to select the
desired name.
or
X To begin rapid scrolling: press and hold
the 0003 or0004 button for longer than
one second.
Rapid scrolling stops when you release the
button or reach the end of the list.
X If only one telephone number is stored
for a name: press the0004or000B button
to start dialing.
or
X If there is more than one number for a
particular name: press the0004or000B
button to display the numbers.
X Press the 0003or0004 button to select the
number you want to dial.
X Press the 0004or000B button to start
dialing.
or
X To exit the telephone book: press the
000D or0007 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
X
Press the 0002or0005 button on the
steering wheel to select the Tel menu.
X Press the 0004button to switch to the
redial memory.
X Press the 0003or0004 button to select the
desired name or number.
X Press the 0004or000B button to start
dialing.
or
X To exit the redial memory: press the
000D or0007 button. Assistance menu
Introduction In the
DriveAssist menu, you have the
following options:
R Displaying the assistance graphic
(Y page 240)
R Activating/deactivating
ESP ®
(Y page 241)
R Activating/deactivating PRE-SAFE ®
Brake
(Y page 241)
R Activating/deactivating ATTENTION
ASSIST (Y page 242)
R Activating/deactivating the distance
warning function (Y page 241)
R Activating/deactivating Steering Assist of
DISTRONIC PLUS (Y page 242)
R Activating/deactivating Blind Spot Assist
or Active Blind Spot Assist (Y page 242)
R Activating/deactivating Lane Keeping
Assist or Active Lane Keeping Assist
(Y page 242)
Displaying the assistance graphic X
Press 0002or0005 on the steering wheel
to select the DriveAssist menu.
X Press 0003or0004 to select Assist. Graphic .
X Press the 000Bbutton.
The multifunction display shows the
DISTRONIC PLUS distance display in the
assistance graphic (Y page 197).
X Press 0003or0004 to display the
ATTENTION ASSIST assessment
(Y page 220). 240
Menus and submenusOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0001
Key Not Detected
(red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If the engine is switched off, you can no longer loc kthe vehicle
centrally or start the engine.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 182).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
Aw
arning tone also sounds.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 182).
X Operate the vehicle with the SmartKey in the ignition lock. 0001
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. 0001
Key Detected in
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. 0001
Remove 'Start'
Button and Insert
Key The KEYLESS-GO key can continuously not be detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. 0001
Close Doors to
Lock Vehicle At least one door is open.
Awarning tone also sounds.
X Close all doors and loc kthe vehicle again. Display messages
275On-board computer and displays Z

X
Replace cap 0002on the filler neck and turn
clockwise.
Ensure that the cap locks into place
securely.
X Chec kthe oil level again with the oil
dipstick (Y page 313).
Further information on engine oil
(Y page 386). Additional service products
Checking coolant level G
WARNING
Certain components in the engine
compartment, such as the engine, radiator
and parts of the exhaust system, can become
very hot. Working in the engine compartment
poses a risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following. G
WARNING
The engine cooling system is pressurized,
particularly when the engine is warm. When
opening the cap, you could be scalded by hot
coolant spraying out. There is a risk of injury.
Let the engine cool down before opening the
cap. Wear eye and hand protection when
opening the cap. Open the cap slowly half a
turn to allow pressure to escape. X
Park the vehicle on a level surface. Only check the coolant level when the
vehicle is on a level surface and the engine
has cooled down.
X Turn the SmartKey to position 2in the
ignition lock (Y page 165).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page 165).
X Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †).
X Turn the SmartKey to position
0(Y page 165) in the ignition lock.
X Slowly turn cap 0002half a turn counter-
clockwise to allow excess pressure to
escape.
X Turn cap 0002further counter-clockwise and
remove it.
If the coolant is at the level of marker bar
0023 in the filler neck when cold, there is
enough coolant in coolant expansion
tank 0003.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar 0023in the fuel
filler neck when warm, there is enough
coolant in expansion tank 0003.
X If necessary, add coolant that has been
tested and approved by Mercedes-Benz.
X Replace cap 0002and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 388).
Adding washer fluid to the windshield
washer system G
WARNING
Certain components in the engine
compartment, such as the engine, radiator
and parts of the exhaust system, can become
very hot. Working in the engine compartment
poses a risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following. Engine compartment
315Maintenance and care Z

Regular care of your vehicle is a condition for
retaining the quality in the long term.
Use care products and cleaning agents
recommended and approved by Mercedes-
Benz. Washing the vehicle and cleaning the
paintwork
Automatic car wash G
WARNING
Braking efficiency is reduced after washing
the vehicle. There is a ris kofanaccident.
After the vehicle has bee nwashed, brake
carefully while paying attention to the traffic
conditions until full braking power is restored.
! If DISTRONIC PLUS or th eHOLD 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 similars ituations:
R when towing the vehicle
R in the car wash
! Preferably use automatic car washes with
adjustable high-pressure pre-cleaning. This
corresponds with the specification for the
Cabriolet program. In car washes that use
high water pressures, there is a risk that a
small amoun tofwaterm ay leak into the
vehicle.
! Cabriolet: do not treat the vehicle with
hot wax under any circumstances.
! Cabriolet: pull the SmartKey out of the
ignition loc kwhen washing the vehicle. This
ensures that the wind deflector on the
windshield is retracted. The wind deflector
may otherwise be damaged.
! Never clean your vehicle in a Touchless
Automatic Car Wash as these use special
cleaning agents. These cleaning agents can
damage the paintwork or plastic parts. !
Make sure that:
R the side windows and the sliding sunroof
or soft top are fully closed.
R the ventilation/heating is switched off
(the OFF button has been pressed).
R the windshield wiper switch is in position
0.
Otherwise, the vehicle might be damaged.
! In car washes with a towing mechanism,
make sure that the automatic transmission
is in transmission position N, otherwise the
vehicle could be damaged.
R Vehicles with a SmartKey:
Do not remove the SmartKey from the
ignition lock. Do not open the driver's
door or front-passenger door when the
engine is switched off. Otherwise, the
automatic transmission selects park
position Pautomatically and locks the
wheels. You can prevent this by shifting
the automatic transmission to N
beforehand.
R Vehicles with KEYLESS-GO:
Do not open the driver's door or front-
passenger door when the engine is
switched off. Otherwise, the automatic
transmission selects park position P
automatically and locks the wheels.
Observe the following to make sure that the
automatic transmission stays in position N:
X Make sure the vehicle is stationary and the
ignition is switched off.
X Turn the SmartKey to position 2in the
ignition lock (Y page 165).
Use the SmartKey instead of the Start/
Stop button on vehicles with KEYLESS-GO.
X Depress and hold the brake pedal.
X Shift the automatic transmission to
position N.
X Release the brake pedal.
X Release the parking brake.
X Switch off the ignition and leave the
SmartKey in the ignition lock. 318
CareMaintenance and care