2015 MERCEDES-BENZ C-Class SEDAN reset

!
Only open the sliding sunroof if it is free of
snow and ice. Otherwise, malfunctions may
occur.
Do not allow anything to protrude from the sliding sunroof. Otherwise, the seals could
be damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle inte-
rior.
Resonance noises can occur in addition to the
usual airflow noises when the sliding sunroof is open. They are caused by minor pressure
fluctuations in the vehicle interior. Change
the position of the sliding sunroof or open a
side window slightly to reduce or eliminate
these noises.
Only for vehicles with panorama roof with
power tilt/sliding panel: G
WARNING
At high speeds the raised sliding sunroof auto- matically lowers slightly at the rear. This could
trap you or other persons. There is a risk of
injury. Make sure that nobody reaches into
the sweep of the sliding sunroof whilst the
vehicle is in motion.
If somebody becomes trapped, immediately
pull back the sliding sunroof switch. The slid- ing sunroof lifts during opening. Sliding sunroof reversing feature
Your vehicle may be equipped with a sliding
sunroof or a panorama roof with power tilt/
sliding panel. In this section, the term "sliding sunroof" refers to both types of sliding sun-
roof.
The sliding sunroof is equipped with an auto-
matic reversing feature. If a solid object
blocks or restricts the sliding sunroof during
the closing process, the sliding sunroof opens again automatically. The automatic reversing feature is only an aid and is no substitute for
your attention when closing the sliding roof. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 1/6 in(4 mm) of the closing
movement
R during resetting
R when closing the sliding sunroof again man-
ually immediately after automatic reversing
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing Overhead control panel
0043 To raise
0044 To open
0087 To close/lower 102
Sliding sunroofOpening and closing

X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Press or pull the 0057switch in the corre-
sponding direction.
If you press or pull the 0057switch beyond
the point of resistance, automatic operation
is started in the corresponding direction. You can stop automatic operation by pressing or
pulling again.
When opening and raising the roof, automatic
operation is only available if the sliding sun-
roof is in the closed position.
The sun protection cover automatically opens along with the sliding sunroof. You can open
or close the sun protection cover manually
when the sliding sunroof is raised or closed.
You can continue to operate the sliding sun-
roof after switching off the engine or remov-
ing the SmartKey from the ignition lock. This
function is available for up to five minutes or
until the driver's or front-passenger door is
opened.
Resetting !
If the sliding sunroof still cannot be
opened or closed fully after resetting, con- tact a qualified specialist workshop.
Reset the sliding sunroof if it does not move
smoothly. X Turn the SmartKey to position 1or 2in the
ignition lock.
X Raise the sliding sunroof fully at the rear
(Y page 102).
X Keep the 0057switch pressed for another
second.
X Make sure that the sliding sunroof can be
fully opened and closed again
(Y page 102).
X If this is not the case, repeat the steps
above again. Operating the panorama roof with
power tilt/sliding panel
Opening and closing Overhead control panel
0043
To raise
0044 To open
0087 To close/lower
The panorama roof with power tilt/sliding
panel can only be operated when the roller
sunblind is open.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Press or pull the 0057switch in the corre-
sponding direction.
If you press or pull the 0057switch beyond
the point of resistance, automatic operation
is started in the corresponding direction. You can stop automatic operation by pressing or
pulling again.
If the panorama roof with power tilt/sliding
panel is raised at the rear, it automatically
lowers slightly at higher speeds. The noise
level in the vehicle interior is reduced as a
result. At low speeds it raises again automat-
ically.
You can continue to operate the panorama
roof with power tilt/sliding panel after you
switch off the engine or remove the Smart-
Key. This function remains active for five
minutes or until you open a front door.
When a roof carrier is mounted the panorama
roof with power tilt/sliding panel cannot be
opened. The panorama roof with power tilt/ Sliding sunroof
103Opening and closing Z

Opening and closing the roller sun-
blinds Overhead control panel
0043
To open
0044 To open
0087 To close
You can only close the roller sunblinds when
the panorama roof with power tilt/sliding
panel is closed.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Press the 0057switch in direction 0043.
Both roller sunblinds open, then the pano-
rama roof with power tilt/sliding panel is
raised.
X Pull the 0057switch in direction 0044.
The sunblinds open
X Pull the 0057switch in direction 0087.
The roller sunblinds close when the pano-
rama roof with power tilt/sliding panel is
closed.
If you press or pull the 0057switch beyond
the point of resistance, automatic operation
is started in the corresponding direction. You
can stop automatic operation by pressing or
pulling again. Resetting the panorama roof with
power tilt/sliding panel or the front
roller sunblind
Reset the panorama roof with power tilt/slid-
ing panel or the front roller sunblind if the
panorama roof with power tilt/sliding panel
or the roller sunblinds does not move
smoothly.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Pull the 0057switch repeatedly to the point
of resistance in the direction of arrow 0043
until the panorama roof with power tilt/
sliding panel is fully closed.
X Keep the 0057switch pulled for an addi-
tional second.
X Pull the 0057switch in the direction of
arrow 0043repeatedly until the front roller
sunblind is closed.
X Keep the 0057switch pulled for an addi-
tional second.
X Make sure that the panorama roof with
power tilt/sliding panel (Y page 103) and
the front roller sunblind (Y page 105) can
be fully opened again.
X If this is not the case, repeat the steps
above again. Sliding sunroof
105Opening and closing Z

Problems with the sliding sunroof
G
WARNING
If you close the sliding sunroof again immediately after it has been blocked or reset, the sliding
sunroof closes with increased or maximum force. The reversing feature is then not active. Parts of the body could be trapped in the closing area in the process. This poses an increased risk of
injury or even fatal injury.
Make sure that no parts of the body are in the closing area.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the switch briefly in any direction
The closing process is stopped.
! If the sliding sunroof still cannot be opened or closed as a result of a malfunction, contact
a qualified specialist workshop. Problem
Possible causes/consequences and
0050 0050Solutions The sliding sunroof or
panorama roof with
power tilt/sliding panel
cannot be closed and
you cannot see the
cause. If the sliding sunroof or panorama roof with power tilt/sliding
panel is obstructed during closing and reopens again slightly:
X Immediately after it blocks, pull the 0057switch down again to
the point of resistance until the sliding sunroof or panorama roof
with power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding
panel is closed with more force.
If the sliding sunroof or panorama roof with power tilt/sliding
panel is obstructed again during closing and reopens again
slightly: X Immediately after it blocks, pull the 0057switch down again to
the point of resistance until the sliding sunroof or panorama roof
with power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding
panel is closed without the anti-entrapment feature. 106
Sliding sunroofOpening and closing

Adjusting the exterior mirrors
X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Press button 0044for the right-hand exterior
mirror or button 0087for the left-hand exte-
rior mirror.
The indicator lamp lights up in the button
that has been pressed.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 0043as long
as the indicator lamp is lit.
X Press adjustment button 0043up, down, or to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic con- ditions.
The convex exterior mirrors provide a larger
field of vision.
After the engine has been started, the exte-
rior mirrors are automatically heated if the
rear window defroster is switched on and the
outside temperature is low. Folding the exterior mirrors in or out
electrically X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Briefly press button 0043.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/ h), you can no longer fold in the
exterior mirrors.
Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the Automatic
Automatic
Mirror Folding Mirror Folding function in the on-board
computer.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 157).
X Briefly press button 0043.
Folding the exterior mirrors in or out
automatically If the
Automatic Mirror Folding Automatic Mirror Folding function
is activated in COMAND or Audio 20 (see the separate COMAND or Audio 20 operating
instructions): 118
MirrorsSeats, steering wheel and mirrors

X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Press button 0087for the exterior mirror on
the front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button 0044to adjust the
exterior mirror to a position that allows you to see the rear wheel and the curb.
The parking position is stored.
i If you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving posi-
tion.
Using the memory button You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. This setting can be
stored using memory button M0043.
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Press button 0087for the exterior mirror on
the front-passenger side.
X Use adjustment button 0044to adjust the
exterior mirror to a position that allows you to see the rear wheel and the curb.
X Press memory button M0043 and one of the
arrows on adjustment button 0044within
three seconds.
The parking position is stored if the exterior
mirror does not move.
X If the mirror moves out of position, repeat
the steps. Calling up a stored parking position set-
ting X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 157).
X Adjust the exterior mirror on the front-
passenger side using button 0087.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position.
The exterior mirror on the front-passenger
side moves back to its original position:
R as soon as you exceed a speed of 9 mph
(15 km/h)
R about ten seconds after you have disen-
gaged reverse gear
R if you press button 0085for the exterior mir-
ror on the driver's side Memory function
Important safety notes
G
WARNING
If you use the memory function on the driver's side while driving, you could lose control of
the vehicle as a result of the adjustments
being made. There is a risk of an accident.
Only use the memory function on the driver's
side when the vehicle is stationary. G
WARNING
When the memory function adjusts the seat or steering wheel, you and other vehicle occu-
pants – particularly children – could become
trapped. There is a risk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat or steering
wheel. If somebody becomes trapped, imme-
diately release the memory function position
button. The adjustment process is stopped. 120
Memory functionSeats, steering wheel and
mirrors

G
WARNING
Children could become trapped if they acti-
vate the memory function, particularly when
unattended. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle. Storing settings
With the memory function, you can store up
to three different settings, e.g. for three dif-
ferent people.
The following settings are stored as a single
memory preset:
R position of the seat, backrest and head
restraint
R seat heating: cushion surfaces
R driver's side: position of the exterior mir-
rors on the driver's and front-passenger
sides
R position of the head-up display X
Adjust the seat accordingly (Y page 110).
X On the driver's side, adjust the steering
wheel (Y page 116) and the exterior mirrors
(Y page 118).
X Press memory button Mand one of the
storage position buttons 1,2or 3within
three seconds.
The settings are stored in the selected pre- set position. A tone sounds when the set-
tings have been completed. Calling up a stored setting
X Press and hold the corresponding storage
position button 1,2or 3until:
R Seat
R Steering wheel
R Exterior mirrors
R Head-up display
are in the stored position.
i The steering wheel and seat adjustment
procedure is interrupted as soon as you
release the storage position button. The
adjustment of the mirror is still carried out. Memory function
121Seats, steering wheel and mirrors Z

ATTENTION ASSIST
General notes ATTENTION ASSIST helps you during long,
monotonous journeys, such as on highways.
It is active in the 37 mph (60 km/h) to
125 mph (200 km/ h)range. If ATTEN-
TION ASSIST detects typical indicators of fati- gue or increasing lapses in concentration on
the part of the driver, it suggests taking a
break.
Important safety notes ATTENTION ASSIST is only an aid to the
driver. It might not always recognize fatigue
or increasing inattentiveness in time or fail to
recognize them at all. The system is not a
substitute for a well-rested and attentive
driver.
The functionality of ATTENTION ASSIST is
restricted and warnings may be delayed or
not occur at all:
R if the length of the journey is less than
approximately 30 minutes
R if the road condition is poor, e.g. if the sur-
face is uneven or if there are potholes
R if there is a strong side wind
R if you have adopted a sporty driving style
with high cornering speeds or high rates of acceleration
R if you are predominantly driving slower
than 37 mph (60 km/h) or faster than
125 mph (200 km/h)
R if you are driving with the active Steer
Assist of DISTRONIC PLUS
R if the time has been set incorrectly
R in active driving situations, such as when
you change lanes or change your speed ATTENTION ASSIST is reset when you con-
tinue your journey and starts assessing your
tiredness again if:
R you switch off the engine.
R you take off your seat belt and open the
driver's door, e.g. for a change of drivers or
to take a break.
Displaying the attention level You can have current status information dis-
played in the assistance menu (Y
page 244)
of the on-board computer.
X Select the Assistance display for Attention
Assist using the on-board computer
(Y page 243).
The following information is displayed: R length of the journey since the last break.
R the attention level determined by ATTEN-
TION ASSIST ( Attention Level Attention Level), dis-
played in a bar display in five levels from
high to low.
R If ATTENTION ASSIST is unable to calculate
the attention level and cannot output a
warning, the System SystemSuspended
Suspended message
appears. The bar display then changes the
display, e.g. if you are driving at a speed
below 37 mph (60 km/h) or above 124 mph
(200 km/h). 216
Driving systemsDriving and parking