2016 MERCEDES-BENZ C-CLASS CABRIOLET display

Folding the rear seat backrest forwards
X
Vehicles without memory function: if neces-
sary, move the driver's or front-passenger
seat forwards.
X Vehicles with memory function: when one or
both parts of the rear seat backrest are folded forwards, the respective front seat moves
forward slightly, when necessary, in order to
avoid contact.
X Open the boot. X
Press the right or left button :on the rear
seat backrest.
The corresponding rear seat backrest is
released. X
Fold corresponding rear seat backrest ;for-
wards.
X Move the driver's or front-passenger seat
back if necessary.
Folding the rear seat backrest back !
Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be dam-
aged. Left- and right-hand seat backrest
X Move the driver's or front-passenger seat for-
wards if necessary.
X Fold rear seat backrest :back until it
engages.
If the rear seat backrest is not engaged and
locked, this will be shown on the multifunc-
tion display on the instrument cluster. A warn- ing tone also sounds.
If you do not need the through-loading feature,
you should always engage the rear seat backr-
ests. This will prevent unauthorised access to
the boot from the vehicle interior. Securing a load
Lashing eyelets Observe the following notes on securing loads:
R Observe the loading guidelines (Y page 296).
R Secure the load using the lashing eyelets.
R Distribute the load on the lashing eyelets
evenly.
R Do not use elastic straps or nets to secure a
load. These are intended only as anti-slip pro-
tection for light loads.
R Do not route lashing materials across sharp
edges or corners.
R Pad sharp edges for protection. Stowage areas
299Stowing and featu res Z

example, request an appointment or call for help
in the event of a breakdown.
Vehicles with the COMAND Online multime-
dia system: Mercedes me connect offers fast
assistance at the touch of a button – around the
clock. For any queries about the vehicle,
Mercedes me connect offers a fast and easy
connecting call to the Mercedes-Benz Customer Assistance Centre. You can, for example,
request an appointment or call for help in the
event of a breakdown.
The display of the multimedia system indicates
that a call is active. During the call, you can
change to the navigation menu by pressing the
Ø button on the multimedia system, for
example. Voice output is not available in this
case.
The Digital Owner's Manual contains further
information about:
R vehicles with the AUDIO 20 multimedia
system: MB Contact
R vehicles with the COMAND Online multi-
media system: Mercedes me connect
Breakdown assistance call button X
To call: press button :for breakdown assis-
tance.
The call is initiated.
The Connecting call Connecting call message appears in
the multifunction display. The audio system is muted.
For certain countries only: a voice message
prompts you to confirm the data transmis-
sion. After confirmation, the required vehicle
data are transmitted. During data transmis-
sion, you will see a corresponding symbol on the display. This may take a moment. You are
then connected to an employee.
X To end a call: press the~button on the
multifunction steering wheel.
or
X Press the corresponding multimedia system
button for ending a phone call.
Info call button This function is not available in all countries.
X
To call: press Info call button :.
The call is initiated.
The Connecting call Connecting call message appears in
the multifunction display. The audio system is muted.
For certain countries only: a voice message
prompts you to confirm the data transmis-
sion. After confirmation, the required vehicle
data are transmitted. During data transmis-
sion, you will see a corresponding symbol on
the display. This may take a moment. You are
then connected to an employee.
X To end a call: press the~button on the
multifunction steering wheel.
or
X Press the corresponding multimedia system
button for ending a phone call. Mobile phone
Important safety notes G
WARNING
Operating mobile communications equip-
ment while driving distracts you from paying
attention to traffic conditions. This could also Features
305Stowing and features
Z

cap, you could be scalded if hot coolant
sprays out. There is a risk of injury.
Let the engine cool down before you open the cap. Wear gloves and eye protection. Open
the cap slowly to release the pressure. 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.
Checking the coolant level Check the coolant level (example)
X Park the vehicle on a level surface.
Check the coolant level only if the vehicle is
on a level surface and the engine has cooled
down.
X Turn the key to position 2in the ignition lock
(Y page 133).
or
X Press the Start/Stop button twice on vehicles
with KEYLESS-GO or the KEYLESS-GO start
function (Y page 133).
X Check the coolant temperature display on the
instrument cluster (Y page 221).
The coolant temperature must be below
70 †. X
Turn the key to position 0in the ignition lock
(Y page 133).
or X Press the Start/Stop button once on vehicles
with KEYLESS-GO or the KEYLESS-GO start
function (Y page 133).
X Slowly turn cap :half a turn anti-clockwise
and allow excess pressure to escape.
X Turn cap :further anti-clockwise and
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough
coolant in coolant expansion tank ;.
If the coolant level is approximately 1.5 cm
above marker bar =in the filler neck when
warm, there is enough coolant in coolant
expansion tank ;.
X If necessary, top up with coolant that has
been tested and approved by Mercedes-Benz.
X Replace cap :and turn it clockwise as far as
it will go.
Further information on coolant (Y page 366).
Topping up the windscreen washer sys-
tem G
WARNING
If windscreen washer concentrate comes into contact with hot components of the engine or
the exhaust system, it can ignite. There is a
risk of fire and injury.
Make sure the windscreen washer concen-
trate does not come into contact with the filler neck. Topping up the windscreen washer system
(example)312
Engine compartmentMaintenance and care

X
To open: pull cap:upwards by the tab and
open.
X Top up with the premixed washer fluid.
X To close: press cap :onto the filler neck
until it engages.
If the washer fluid level drops below the recom- mended minimum of 1.0 l, a message appears
on the multifunction display prompting you to
top up the washer fluid (Y page 271).
Further information on washer fluid
(Y page 367). ASSYST PLUS
Service message
The ASSYST PLUS service interval display
informs you of the next service due date.
Information on the type of service and service
intervals (see the separate Service Booklet).
Further information can be obtained at a quali-
fied specialist workshop, e.g. a Mercedes-Benz
Service Centre.
i The ASSYST PLUS service interval display
does not show any information on the engine oil level. Observe the notes on the engine oil
level (Y page 310).
The multifunction display shows a service mes-
sage for a few seconds, e.g.:
R Service A in XX days
Service A in XX days
R Service A due Service A due
R Service A overdue by XX days
Service A overdue by XX days
Depending on the operating conditions of the
vehicle, the remaining time or distance until the next service due date is displayed.
The letter indicates which service is due. A
A
stands for a minor service and B Bfor a major ser-
vice. A number or another letter may be dis-
played after the letter.
For certain countries only: the position after the
letter A Aor B
Bindicates any necessary additional
maintenance work. If you notify a qualified spe-
cialist workshop of this display, you will receive a statement on the associated costs.
The ASSYST PLUS service interval display does
not take into account any periods of time during
which the battery is disconnected. Maintaining the time-dependent service sched-
ule:
X Note down the service due date displayed in
the multifunction display before disconnect-
ing the battery.
or X After reconnecting the battery, subtract the
battery disconnection periods from the ser-
vice date shown on the display. Hiding service messages
X Press the aor% button on the steering
wheel. Displaying service messages
X Switch the ignition on.
X Use ò on the steering wheel to call up the
list of menus.
X Press 9or: on the steering wheel to
select the Service Servicemenu and confirm with
a.
X Press 9or: on the steering wheel to
select the ASSYST PLUS
ASSYST PLUS submenu and con-
firm with a.
The service due date appears in the multi-
function 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 work-
shop.
Have service work carried out as described in the Service Booklet. This may otherwise lead
to increased wear and damage to the major
assemblies or the vehicle.
A qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre, 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. ASSYST PLUS
313Maintenance and care Z

Interior care
Cleaning the display !
For cleaning, do not use any of the following:
R alcohol-based thinner or petrol
R abrasive cleaning agents
R commercially-available household cleaning
agents
These may damage the display surface. Do
not put pressure on the display surface when cleaning. This could lead to irreparable dam-
age to the display.
X Before cleaning the display, make sure that it
is switched off and has cooled down.
X Clean the display surface using a commer-
cially available microfibre cloth and TFT/LCD
display cleaner.
X Dry the display surface using a dry microfibre
cloth.
Cleaning the plastic trim G
WARNING
Care products and cleaning agents containing solvents can cause surfaces in the cockpit to
become porous. This could result in plastic
parts breaking away when the airbags are
deployed. There is a danger of injury.
Do not use care products and cleaning agents containing solvents to clean the cockpit.
! Never attach the following to plastic surfa-
ces:
R stickers
R films
R perfume oil container or similar
You could otherwise damage the plastic.
! Do not allow cosmetics, insect repellent or
sunscreen to come in contact with the plastic trim. This maintains the high-quality look of
the surfaces.
X Wipe the plastic trim with a damp, lint-free
cloth, e.g. a microfibre cloth.
X Heavy soiling: use care and cleaning prod-
ucts recommended and approved by
Mercedes-Benz.
The surface may change colour temporarily.
Wait until the surface is dry again. Cleaning the steering wheel and gear
lever or selector lever X
Thoroughly wipe with a damp cloth or use
leather care agents that have been recom-
mended and approved by Mercedes-Benz.
Cleaning wood trim and trim elements !
Do not use solvent-based cleaning agents
such as tar remover, wheel cleaners, polishes
or waxes. There is otherwise a risk of damag- ing the surface.
X Wipe the wood trim and trim elements with a
damp, lint-free cloth, e.g. a microfibre cloth.
X Trim elements with piano black finish:
wipe with a soft, damp cotton cloth. Use clean
water.
X Heavy soiling: use care and cleaning prod-
ucts recommended and approved by
Mercedes-Benz.
Cleaning the seat covers General notes
! Do not use a microfibre cloth to clean covers
made out of real leather, artificial leather or
DINAMICA. If used frequently, this can dam-
age the cover.
Note that regular care is essential to make sure
that the appearance and comfort of the covers
are retained over time.
Genuine leather seat covers
! To retain the natural appearance of the
leather, observe the following cleaning
instructions:
R Clean genuine leather covers carefully with
a damp cloth and then wipe the covers
down with a dry cloth.
R Make sure that the leather does not
become soaked. It may otherwise become
rough and cracked.
R Only use leather care agents that have
been tested and approved by Mercedes-
Benz. You can obtain these from a qualified
specialist workshop.
Leather is a natural product.
It has natural surface properties, e.g.: Care
321Maintenance and care Z

X
Open the boot lid.
X Swing the boot floor upwards (Y page 300).
X Remove towing eye :.Flat tyre
Preparing the vehicle
Your vehicle may be equipped with: R MOExtended tyres (tyres with run-flat char-
acteristics) (Y page 326)
Vehicle preparation is not necessary on vehi- cles with MOExtended tyres.
R a TIREFIT kit (Y page 325)
R an emergency spare wheel (certain countries
only) (Y page 356)
Vehicles with MOExtended tyres are not equip-
ped with a TIREFIT kit at the factory. It is there-
fore recommended that you additionally equip
your vehicle with a TIREFIT kit if you fit tyres that do not feature run-flat characteristics, e.g. win-
ter tyres. A TIREFIT kit can be obtained from a
qualified specialist workshop.
Vehicles with a Mercedes-Benz emergency call
system that are not equipped with a TIREFIT kit:
in the event of a flat tyre, contact the Customer
Assistance Centre for the Mercedes-Benz emer- gency call system (Y page 304).
Information on changing and fitting a wheel
(Y page 350).
X Stop the vehicle as far away as possible from
traffic on solid, non-slippery and level ground.
X Switch on the hazard warning lamps.
X Secure the vehicle against rolling
(Y page 159).
X If possible, bring the front wheels into the
straight-ahead position.
X Switch off the engine.
X Remove the key from the ignition lock.
or, on vehicles with KEYLESS-GO start function
or KEYLESS ‑GO:
X Open the driver's door.
The vehicle electronics now have status 0.
This is the same as the key having been
removed.
X Remove the Start/Stop button from the igni-
tion lock (Y page 133).
X Make sure that the passengers are not endan-
gered as they get out of the vehicle. Make
sure that no one is near the danger area while a wheel is being changed. Anyone who is not
directly assisting in the wheel change should,
for example, stand behind the barrier.
X Get out of the vehicle. Pay attention to traffic
conditions when doing so.
X Close the driver's door.
X Place the warning triangle a suitable distance
away (Y page 324). Observe legal require-
ments. Vehicles with MOExtended tyres
(tyres with run-flat characteristics)
General notes With MOExtended tyres (tyres with run-flat char-
acteristics), you can continue to drive your vehi-
cle even if there is a total loss of air in one or
more tyres. The affected tyre must not show any clearly visible damage.
You can recognise MOExtended tyres by the
"MOExtended" marking that appears on the tyre
sidewall. You will find this marking next to the
tyre size designation, the load-bearing capacity
and the speed index.
MOExtended tyres may be used only in conjunc- tion with an activated tyre pressure loss warning system or tyre pressure monitor.
If a tyre pressure loss warning message
appears on the multifunction display:
R observe the instructions in the display mes-
sages (Y page 265)
R check the tyre for damage
R if driving on, observe the following notes
The driving distance possible in run-flat mode is
approximately 80 km when the vehicle is parti-
ally laden and approximately 30 km when the
vehicle is fully laden.
In addition to the vehicle load, the driving dis-
tance possible in run-flat mode depends on the:
R vehicle speed
R road condition
R outside temperature
The driving distance possible in run-flat mode
may be reduced by extreme driving conditions/ manoeuvres, or it can be increased through a
moderate style of driving.
The driving distance possible in run-flat mode iscounted from the moment the tyre pressure loss
warning appears on the multifunction display. 326
Flat tyreBreakdown assistance

The tyre pressure values given for low loads are
minimum values that offer you good driving
comfort characteristics.
However, you can also use the values given for
higher loads. These are permissible and will not adversely affect the running of the vehicle. Tyre pressure loss warning system
General notes While the vehicle is in motion, the tyre pressure
loss warning system monitors the set tyre pres-
sure using the rotational speed of the wheels.
This enables the system to detect significant
pressure loss in a tyre. If the rotational speed of
a wheel changes as a result of a loss of tire
pressure, a corresponding warning message will
appear in the multifunction display.
You can recognise the tyre pressure loss warn-
ing by the Run Flat Indicator active Run Flat Indicator active
Restart with OK
Restart with OK message, which appears in
the Service
Service menu of the multifunction display.
Information on the message display can be
found in the "Restarting the tyre pressure loss
warning system" section (Y page 347).
Important safety notes The tyre pressure warning system does not warn
you of an incorrectly set tyre pressure. Observe the notes on the recommended tyre pressure
(Y page 345).
The tyre pressure loss warning system does not
replace the need to regularly check the tyre
pressure. An even loss of pressure on several
tyres at the same time cannot be detected by
the tyre pressure loss warning system.
The tyre pressure loss warning system is not
able to warn you of a sudden loss of air, e.g. if the
tyre is penetrated by a foreign object. In the
event of a sudden loss of air, bring the vehicle to
a halt by braking carefully. Avoid abrupt steering manoeuvres.
The function of the tyre pressure loss warning
system is limited or delayed if:
R snow chains are fitted on your vehicle
R road conditions are wintry
R you are driving on a loose surface (e.g. sand or
gravel) R
you adopt a very sporty driving style (corner-
ing at high speeds or driving with high rates of
acceleration)
R you are towing a very heavy or large trailer
R you are driving with a heavy load
Restarting the tyre pressure loss warn-
ing system Restart the tyre pressure loss warning system if
you have:
R changed the tyre pressure
R changed the wheels or tyres
R fitted new wheels or tyres
X Before restarting, make sure that the tyre
pressures are set properly on all four tyres for
the respective operating conditions. The rec-
ommended tyre pressures can be found in the tyre pressure table on the fuel filler flap.
The tyre pressure loss warning system can
only give reliable warnings if you have set the
correct tyre pressure. If an incorrect tyre
pressure is set, this incorrect value will be
monitored.
X Observe the notes in the section on tyre pres-
sure (Y page 345).
X Make sure that the key is in position 2in the
ignition lock (Y page 133).
X Press òon the steering wheel to call up
the menu list.
X Press 9or: on the steering wheel to
select the Service Servicemenu.
X Confirm by pressing aon the steering
wheel.
X Select Tyre pressure
Tyre pressure with9 or:.
X Press ato confirm.
The Run
Run Flat
Flat Indicator
Indicator active
activeRestart
Restart
with OK
with OK message is shown in the multifunc-
tion display.
If you wish to confirm the restart: X Press the abutton.
The Tyre pressure now OK?
Tyre pressure now OK? message is
shown in the multifunction display.
X Select Yes
Yes with 9 or:.
X Press ato confirm.
The Run Flat Indicator restarted
Run Flat Indicator restarted mes-
sage is shown in the multifunction display.
After a teach-in period, the tyre pressure loss
warning system will monitor the set tyre pres- sures of all four tyres. Tyre pressure
347Wheels and tyres Z

If you wish to cancel the restart:
X Press the %button.
or X If the Tyre pressure now OK?
Tyre pressure now OK? message
appears, select Cancel
Cancel with9 or:.
X Press ato confirm.
The tyre pressure values stored at the last
restart will continue to be monitored. Tyre pressure monitor
General notes If a tyre pressure monitor system is fitted, the
vehicle's wheels have sensors fitted that moni-
tor the tyre pressures in all four tyres. The tyre
pressure monitor warns you if the pressure
drops in one or more of the tyres. The tyre pres- sure monitor functions only if the corresponding
sensors are fitted to all wheels.
Information on tyre pressures is shown on the
multifunction display. After a few minutes of
driving, the current tyre pressure of each tyre is
shown in the Service Servicemenu of the multifunction
display; see illustration (example). For further information on displaying this mes-
sage, refer to the "Checking the tyre pressure
electronically" section (Y page 349).
Important safety notes It is the driver's responsibility to set the tyre
pressure to the recommended cold tyre pres-
sure suitable for the operating situation
(Y page 345). Note that the correct tyre pres-
sure for the current operating situation must
first be taught-in to the tyre pressure monitor. If
a substantial loss of pressure occurs, the warn- ing threshold for the warning message is aligned
to the taught-in reference values. Restart the tyre pressure monitor after adjusting to the cold
tyre pressure (Y page 349). The current pres-
sures are saved as new reference values. This
ensures that a warning message appears only if
the tyre pressure drops significantly.
The tyre pressure monitor does not warn you of
an incorrectly set tyre pressure. Observe the
notes on the recommended tyre pressure
(Y page 345).
The tyre pressure monitor is not able to warn
you of a sudden loss of pressure, e.g. if the tyre
is penetrated by a foreign object. In the event of
a sudden loss of air, bring the vehicle to a halt by braking carefully. Avoid abrupt steering
manoeuvres.
The tyre pressure monitor has a yellow warning
lamp on the instrument cluster for indicating a
pressure loss or malfunction. Depending on how
the warning lamp flashes or lights up, a tyre
pressure that is too low or a malfunction in the
tyre pressure monitor is indicated:
R If the warning lamp is lit continuously, the tyre
pressure on one or more tyres is significantly too low. The tyre pressure monitor is not mal-
functioning.
R If the warning lamp flashes for around a
minute and then remains lit constantly, the
tyre pressure monitor is malfunctioning.
In addition to the warning lamp, a message
appears on the multifunction display. Observe
the information on display messages
(Y page 265).
It may take up to ten minutes for a malfunction
of the tyre pressure monitor to be indicated. A
malfunction will be indicated by the tyre pres-
sure warning lamp flashing for approximately
one minute and then remaining lit. When the
fault has been rectified, the tyre pressure warn- ing lamp goes out after you have driven for a few
minutes.
The tyre pressure values indicated by the on-
board computer may differ from those meas-
ured at a filling station using a pressure gauge.
The tyre pressures shown by the on-board com- puter refer to those measured at sea level. At
high altitudes, the tyre pressure values indica-
ted by a pressure gauge are higher than those
shown by the on-board computer. In this case,
do not reduce the tyre pressures.
The operation of the tyre pressure monitor can
be affected by interference from radio transmit- ting equipment (e.g. cordless headphones, two- 348
Tyre pressureWheels and tyres