2023 MERCEDES-BENZ C CLASS Owners Manual

Hold the wiper arm with one hand. With the
other hand, turn the wiper blade away from
the wiper arm in the direction of arrow 1 as
far as it will go.Press release button 2.Remove the wiper blade from the wiper arm in
the direction of arrow 3.Installing the wiper bladesPush the new wiper blade into the wiper arm
in the direction of arrow 1 until release knob
2 engages.Make sure that the wiper blade is seated cor-
rectly.Fold the wiper arms back onto the windshield.Switch on the vehicle.Press the

Remove protective Nlm 1 from the mainte-
nance display.
When the color of the maintenance display
changes from black to yellow, the wiper blades
should be replaced.
Mirrors
Operating the outside mirrors
&WARNING Risk of accident due to adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lowing situations in particular:
= If you adjust the driver\bs seat, the head
restraint, the steering wheel or the mirror while the vehicle is in motion
= If you fasten your seat belt while the vehi-
cle is in motion
Before starting the vehicle: in particular,
adjust the driver\bs seat, head restraint,
steering wheel and mirror, and fasten
your seat belt.&WARNING Risk of accident due to mis-
judgment of distance when using the
front-passenger mirror
The outside mirror on the front passenger side
reOects objects on a smaller scale. The
objects in view are in fact closer than they appear.
Therefore, always look over your shoul-
der to check the actual distance between you and the road users traveling
behind you.136Light and visibility

Adjusting the outside mirrorsUse button 2 or 4 to select the desired mir-
ror.Use button 1 to adjust the position of the
selected mirror.
Folding the outside mirrors in/out (vehicles with electrically folding outside mirrors)
BrieOy press button 3.\bIf the battery has been disconnected or has
discharged, the outside mirrors must be
moved brieOy using button 3. Only then will
the automatic mirror folding function work
properly.
Engaging the outside mirrors
If an outside mirror has been forcibly disengaged,
proceed as follows.
Vehicles without electrically folding outside
mirrors: manually move the outside mirror into
the correct position.Vehicles with electrically folding outside mir-
rors: press and hold button 3.
You will hear a click and the mirror will audibly engage. The outside mirror will now be set to
the correct position.
Automatic anti-glare mirrors function
&WARNING Risk of acid burns and poison-
ing due to the anti-glare mirror electrolyte
Electrolyte may escape if the glass in an auto-
matic anti-glare mirror breaks.
The electrolyte is hazardous to health and cau-
ses irritation. It must not come into contact
with your skin, eyes, respiratory organs or
clothing or be swallowed.If you come into contact with electrolyte, observe the following:
= Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
= If electrolyte comes into contact with
your eyes, immediately rinse them
thoroughly with clean water and seek
medical attention.
= If the electrolyte is swallowed, imme-
diately rinse your mouth out thor-
oughly. Do not induce vomiting. Seek
medical attention immediately.
= Immediately change out of clothing
which has been contaminated with
electrolyte.
= If an allergic reaction occurs, seek
medical attention immediately.Light and visibility137

The inside rearview mirror and the outside mirroron the driver\bs side will automatically go into anti-
glare mode if light from a headlamp hits the sen- sor on the inside rearview mirror.
System limits
The system will not go into anti-glare mode if:
= The vehicle is switched oM.
= Reverse gear is engaged.
= The interior lighting is switched on.
Front-passenger outside mirror parking position
function
The parking position makes parking easier.
The front-passenger outside mirror will swivel downwards in the direction of the rear wheel on
the front passenger\bs side when:
= The parking position is stored (  page 138).
= The front-passenger mirror is selected.
= Reverse gear is engaged.
The front-passenger outside mirror will move back
to its original position when:
= You shis the transmission to another transmis-
sion position.
= You are traveling at a speed greater than
9 mph (15 km/h).
= You press the button for the outside mirror on
the driver\bs side.Storing the parking position of the front-
passenger outside mirror using reverse gear
Storing
Select the front-passenger outside mirror using button 2.Engage reverse gear.Move the front-passenger outside mirror into
the desired parking position using button 1.138Light and visibility

Calling upSelect the front-passenger outside mirrorusing button 2.Engage reverse gear.
The front-passenger outside mirror will move into the stored parking position.
Activating/deactivating the automatic mirror fold-
ing function
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Opening/closing
Switch Automatic Mirror Folding on or oM.Area permeable to radio waves on the wind-
shield
Radio-controlled equipment such as toll systems
can be mounted only on areas 1 of the wind-
shield that are permeable to radio waves.
Areas permeable to radio waves 1 are best visi-
ble from outside the vehicle when the windshield
is illuminated with an external light source.
Note this position for vehicles with: = Windshield heater
Light and visibility139

Overview of climate control systems
Notes on climate control
An interior Nlter in combination with the preNlter
in the engine compartment must always be used so that the air conditioning system, pollution levelmonitoring and the air Nltration work correctly.
Use Nlters recommended and approved by
Mercedes-Benz. Always have maintenance work
carried out at a qualiNed specialist workshop.
Please note that your vehicle may not be equip-
ped with all functions described here.
Overview of the THERMATIC climate bar (dual-
zone)
The indicator lamps indicate that the correspond-
ing functions are activated.
1~ Increases the temperature2Upper display area of the climate bar with the
examples of O switching climate control
on/oM ( page 142) and  synchroniza-
tion function (  page 145)3d Defrosts the windshield4Z Switches the A/C function on/oM
(  page 143)5l Switches the rear window defroster
on/oM6} Reduces the temperature7Depending on vehicle equipment and set-
tings: temperature display, defrost function
display, display for pre-entry climate control
or auxiliary heating8r Switches air-recirculation mode on/oM
(  page 145)9

Overview of the THERMOTRONIC climate bar
The indicator lamps indicate that the correspond-ing functions are activated.
Front climate bar on the central display
(example)1~ Increases the temperature2Upper display area of the climate bar with the
examples of O switching oM climate con-
trol (  page 142), r switching air-recir-
culation mode on/oM ( page 145) and
 synchronization function (  page 145)3d Defrosts the windshield4Z Switches the A/C function on/oM
(  page 143)5l Switches the rear window defroster
on/oM6Depending on vehicle equipment and set-
tings: temperature display, display for the
defrost function, airOow, pre-entry climate
control or auxiliary heating7

Overview of the rear operating unitExample: USA1Sets air distribution to the center and side air
vents in the rear passenger compartment, les2Sets the temperature in the rear passenger
compartment, les3Sets the airOow in the rear passenger com-
partment, les, or switches climate control
on/oM ( page 143)4Activates/deactivates climate control
(  page 143)5Sets the airOow in the rear passenger com-
partment, right, or switches climate control on/oM ( page 143)6Sets the temperature in the rear passenger
compartment, right7Sets air distribution to the center and side air
vents in the rear passenger compartment, right8Sets rear passenger compartment climatecontrol to automatic mode, right9Sets the air distribution to the right rear
passenger compartment footwell ventsASynchronization is activated (  page 145)BSets the air distribution to the les rear
passenger compartment footwell ventsCSets rear passenger compartment climate control to automatic mode, lesThe settings for the second row of seats can be
conNgured via the rear operating unit or the multi-
media system (  page 144) depending on the
vehicle\bs equipment.
Operating the climate control system
Switching climate control on/oM
Switching on climate control
Set the airOow to level 1 or higher via