2015 MERCEDES-BENZ C-Class SEDAN key

Crash-responsive emergency lighting
The interior lighting is activated automatically
if the vehicle is involved in an accident.
X To switch off the crash-responsive
emergency lighting: press the hazard
warning lamp button.
or X Lock and then unlock the vehicle using the
SmartKey. Replacing bulbs (vehicles with LED
headlamps)
The front and rear light clusters of your vehi-
cle are equipped with LED light bulbs. Do not
replace the bulbs yourself. Contact a qualified specialist workshop which has the necessaryspecialist knowledge and tools to carry out
the work required.
Lamps are an important aspect of vehicle
safety. You must therefore make sure that
these function correctly at all times. Have the
headlamp setting checked regularly. Changing bulbs (vehicles with halo-
gen headlamps) Important safety notes
G
WARNING
Bulbs, lamps and connectors can get very hot when operating. If you change a bulb, you
could burn yourself on these components.
There is a risk of injury.
Allow these components to cool down before changing a bulb.
Do not use a bulb that has been dropped or if
its glass tube has been scratched.
The bulb may explode if:
R you touch it
R it is hot R
you drop it
R you scratch it
Only operate bulbs in enclosed lamps
designed for that purpose. Only install spare
bulbs of the same type and the specified volt- age.
Marks on the glass tube reduce the service
life of the bulbs. Do not touch the glass tube
with your bare hands. If necessary, clean the
glass tube when cold with alcohol or spirit and
rub it off with a lint-free cloth.
Protect bulbs from moisture during opera-
tion. Do not allow bulbs to come into contact
with liquids.
Replace only the bulbs listed (Y page 130).
Have the bulbs that you cannot replace your-
self changed at a qualified specialist work-
shop.
If you require assistance changing bulbs, con- sult a qualified specialist workshop.
If the new bulb still does not light up, consult
a qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure that these function correctly at all times.
Have the headlamp setting checked regularly. Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb type can be found in the legend. 130
Changing bulbs (vehicles with halogen headlamps)Lights and windshield wipers

X
Switch on the ignition.
X Turn the combination switch to the corre-
sponding position.
Vehicles with a rain sensor: in the0062or
0063 position, the appropriate wiping fre-
quency is automatically set according to the
intensity of the rain. In the 0063position, the
rain sensor is more sensitive than in the 0062
position, causing the windshield wipers to
wipe more frequently.
If the wiper blades are worn, the windshield
will no longer be wiped properly. This could
prevent you from observing the traffic condi-
tions. Replacing the wiper blades
Important safety notes G
WARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could be trapped by the wiper arm. There is a risk of
injury.
Always switch off the windshield wipers and
ignition before changing the wiper blades.
! Never open the hood if a windshield wiper
arm has been folded away from the wind-
shield.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield.
Hold the windshield wiper arm firmly when you change the wiper blade. If you release
the windshield wiper arm without a wiper
blade and it falls onto the windshield, the
windshield may be damaged by the force of
the impact.
Mercedes-Benz recommends that you have the wiper blades changed at a qualified
specialist workshop.
! To avoid damaging the wiper blades,
make sure that you touch only the wiper
arm of the wiper. Changing the windshield wiper blades Adjusting the wiper blades so that they
are vertical
On vehicles without KEYLESS-GO:
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Set the windshield wipers to position 00AA.
X When the wiper arms have reached a ver-
tical position, turn the SmartKey to position
0 and remove it from the ignition lock.
X Fold the wiper arm away from the wind-
shield.
On vehicles with KEYLESS-GO: X Switch off the engine.
X Remove your foot from the brake pedal.
X Set the windshield wipers to position 00AA.
X Press the Start/Stop button repeatedly
until the windshield wiper starts.
X When the wiper arms have reached a ver-
tical position, press the Start/Stop button.
X Fold the wiper arm away from the wind-
shield.
Removing the wiper blades X
Hold on to the wiper arm with one hand.
With the other hand, turn wiper blade in
direction of arrow 0043away from the wiper
arm as far as it will go.
X Slide catch 0044in the direction of arrow 0087
until it engages in the removal position with
a noticeable click. 134
Windshield wipersLights and windshield wipers

Problems with the windshield wipers
Problem
Possible causes/consequences and
0050
0050Solutions The windshield wipers
are jammed. Leaves or snow, for example, may be obstructing the windshield
wiper movement. The wiper motor has been deactivated.
X For safety reasons, you should remove the SmartKey from the
ignition lock.
or X Switch off the engine using the Start/Stop button and open the
driver's door.
X Remove the cause of the obstruction.
X Switch the windshield wipers back on. The windshield wipers
fail completely. The windshield wiper drive is malfunctioning.
X Select another wiper speed on the combination switch.
X Have the windshield wipers checked at a qualified specialist
workshop. The windshield washer
fluid from the spray
nozzles no longer hits
the center of the wind-
shield. The spray nozzles are misaligned.
X Have the spray nozzles adjusted at a qualified specialist work-
shop. 136
Windshield wipersLights and windshield wipers

Useful information
i This Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops (Y page 26). Overview of climate control systems
Important safety notes
Observe the settings recommended on the
following pages. The windows could other-
wise fog up.
To prevent the windows from fogging up:
R switch off climate control only briefly
R switch on air-recirculation mode only
briefly
R switch on the cooling with air dehumidifi-
cation function
R switch on the defrost windshield function
briefly, if required
Climate control regulates the temperature
and air humidity in the vehicle interior. The
interior filter cleans the air, thus improving
the interior climate.
The "Cooling with air dehumidification" func-
tion is only available when the engine is run-
ning. Optimum climate control is only ach-
ieved with the side windows and roof closed.
The residual heat function can only be acti-
vated or deactivated with the ignition
switched off (Y page 149).
i Ventilate the vehicle for a brief period
during warm weather, e.g. using the con-
venience opening feature (Y page 98). This
will speed up the cooling process and the desired interior temperature will be
reached more quickly.
i The integrated filter filters out most par-
ticles of dust and soot and completely fil-
ters out pollen. It also reduces gaseous pol-
lutants and odors. A clogged filter reduces the amount of air supplied to the vehicle
interior. For this reason, you should alwaysobserve the interval for replacing the filter,which is specified in the Maintenance
Booklet. As it depends on environmental
conditions, e.g. heavy air pollution, the
interval may be shorter than stated in the
Maintenance Booklet.
i It is possible that the blower may be acti-
vated automatically 60 minutes after the
SmartKey has been removed depending on various factors, e.g. the outside tempera-
ture. The vehicle is then ventilated for
30 minutes to dry the climate control sys-
tem. 138
Overview of climate control systemsClimate control

Optimum use of 3-zone automatic cli-
mate control
3-zone automatic climate control The following contains instructions and rec-
ommendations to enable you to get the most
out of your 3-zone automatic climate control.
R Activate climate control using the 0058
rocker switch. The indicator lamp above
the 0058 rocker switch lights up. The "Cool-
ing with air dehumidification" function is
not activated automatically in automatic
mode. If necessary, activate this function
(Y page 143).
R Set the temperature to 72 ‡ (22 †).
R Only use the "Windshield defrosting" func-
tion briefly until the windshield is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could oth-
erwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the residual heat function if you want to
heat or ventilate the vehicle interior when
the ignition is switched off. The residual
heat function can only be activated or deac-
tivated with the ignition switched off. The
residual heat function is switched off when the ignition is switched on.
AGILITY SELECT switch You can choose between various drive pro-
grams with the AGILITY SELECT switch
(Y page 167).
If you have selected the drive program E, the
climate control switches to Eco mode.
In Eco mode:
R the cooling output is reduced when cooling
R when heating, the electrical heater booster
is deactivated and heat output is reduced
as a result
R the rear window defroster running time is
reduced If you have selected the drive program
C,Sor
S+ the climate control switches to Comfort
mode. The current climate control settings
are maintained in Comfort mode.
ECO start/stop function During automatic engine switch-off, the cli-
mate control system only operates at a
reduced capacity. If you require the full cli-
mate control output, you can switch off the
ECO start/stop function by pressing the ECO
button (Y page 162). Operating the climate control sys-
tems Switching climate control on/off
General notes When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control only
briefly
Switch on climate control primarily using the 0058 rocker switch (Y page 144).
Switching on/off X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To switch on: press the008A/!
rocker switch up or down.
The Audio 20/COMAND climate control
menu opens.
X Activate the climate control using the air-
conditioning function bar; see the separate
Audio 20/COMAND operating instruc-
tions.
or
X Set the airflow to level 1 or higher using the
H button. 142
Operating the climate control systemsClimate control

Problems with the "Cooling with air dehumidification" function
Problem
Possible causes/consequences and
0050
0050Solutions The indicator lamp in
the
005A button
flashes three times or
remains off. The cool-
ing with air dehumidifi-
cation function can
also no longer be acti-
vated using Audio 20/
COMAND (see the sep-
arate operating instruc- tions). Cooling with air dehumidification has been deactivated due to a
malfunction.
X Visit a qualified specialist workshop. Setting climate control to automatic
General notes In automatic mode, the set temperature is
maintained automatically at a constant level.
The system automatically regulates the tem-
perature of the dispensed air, the airflow and
the air distribution.
The automatic mode functions optimally
when the "Cooling with air dehumidification"
function is activated. The "Cooling with air
dehumidification" function must be activated
manually in automatic mode. If necessary,
"Cooling with air dehumidification" can also
be deactivated.
If you deactivate the "Cooling with air-dehu-
midification" function, the air inside the vehi- cle will not be cooled. The air inside the vehi-
cle will also not be dehumidified. The win-
dows can fog up more quickly. Therefore,
deactivate the cooling with air-dehumidifica-
tion function only briefly. Automatic control X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Set the desired temperature using the
0082 rocker switch on the front control
unit.
or
X Set the desired temperature using
Audio 20/COMAND; see the separate
operating instructions.
X To activate: press rocker switch 0058up
or down.
The indicator lamp above the 0058rocker
switch lights up.
X To switch to manual operation: press the
H rocker switch up or down.
or X Set the airflow using Audio 20/COMAND;
see the separate operating instructions.
or X Press the top or bottom section of the 008F
rocker switch.
or X Set the air distribution using Audio 20/
COMAND; see the separate operating
instructions.
The indicator lamp above the 0058rocker
switch goes out. 144
Operating the climate control systemsClimate control

In automatic mode, if you adjust the airflow or
air distribution manually, the indicator lamp
above the 0058rocker switch goes out. The
function which has not been changed man-
ually, however, continues to be controlled
automatically. When the manually set func-
tion switches back to automatic mode, the
indicator lamp above the 0058rocker switch
lights up again. Adjusting the climate mode settings
This function is only available with 3-zone
automatic climate control on vehicles for
Canada.
In automatic mode you can select the follow-
ing airflow settings for the driver's and front-
passenger areas:
FOCUS high airflow that is set slightly cooler
MEDIUM medium airflow, standard setting
DIFFUSE low airflow that is set slightly warmer and with less of a draft
X To set: set the climate mode using Audio
20/COMAND (see separate operating
instructions). Setting the temperature
Dual-zone automatic climate control Different temperatures can be set for the
driver's and front-passenger sides.
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press the upper or
lower section of the 0082rocker switch.
or X Set the temperature using Audio 20/
COMAND; see the separate operating
instructions.
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †). 3-zone automatic climate control General notes
3-zone automatic climate control zones
You can select different temperature settings for the driver's and front-passenger sides as
well as for the rear compartment.
Setting the temperature in the front com- partment using the front control panel
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press the upper or
lower section of the 0082rocker switch.
or X Set the temperature using Audio 20/
COMAND; see the separate operating
instructions.
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †).
Setting the temperature in the rear com-
partment using the front control panel X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Set the temperature with the 0082rocker
switch on the front control panel.
or
X Set the temperature using Audio 20/
COMAND; see the separate operating
instructions.
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †). Operating the climate control systems
145Climate control

X
Press the top or bottom section of the !
rocker switch.
The climate control menu in Audio 20/
COMAND opens.
X Select the "Synchronization" function; see
separate Audio 20/COMAND operating
instructions.
The temperature setting for the driver's
side is adopted for the front-passenger side
and the rear compartment.
Setting the temperature in the rear com-
partment using the rear control panel
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press the upper or
lower section of the 0082rocker switch on
the rear control panel (Y page 141).
Only change the temperature setting in
small increments. Start at 72 ‡ (22 †).
The set temperature appears on the rear-
compartment display. Setting the air distribution
Air distribution settings 0061
Directs air through the defroster vents
009C Directs air through the center and side
air vents
009B Directs air through the footwell air
vents
009F Directs air through the center, side and
footwell vents
0086 Directs air through the defroster and
footwell vents
008F Directs air through the defroster, cen-
ter, side and footwell vents
0087 Directs air through the defroster, cen-
ter and side air vents
00A2 Sets the air distribution to automatic Adjusting 3-zone automatic climate control: you can set
the air distribution separately for the driver's
and front-passenger side.
X Turn the SmartKey to position 2
(Y page 157).
X Press the 008Fbutton up or down.
The various air distribution settings appear
in Audio 20/COMAND.
X Press and hold the 008Fbutton upwards
until the desired position is reached.
or
X Set the air distribution using Audio 20/
COMAND; see the separate operating
instructions. Setting the airflow
Dual-zone automatic climate control X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press the upper or
lower section of the Hrocker switch.
or
X Set the airflow using Audio 20/COMAND;
see the separate operating instructions.
3-zone automatic climate control Adjusting the front-compartment airflow
You can set the airflow separately for the
front and rear compartment.
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X To increase/reduce: press the upper or
lower section of the Hrocker switch.
or X Set the airflow using Audio 20/COMAND;
see the separate operating instructions. 146
Operating the climate control systemsClimate control