Problems with the seat heating
Problem Possible causes/consequences and
0001 Solutions
The seat heating has
switched off
prematurely or cannot
be switched on. The on-board voltage is too low because too many electrical
consumers are switched on.
X
Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting. Switching the seat ventilation on/off
Activating/deactivating The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button0002repeatedly
until the desired ventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Y page 86). The seat
ventilation of the driver's seat
automatically switches to the highest level.
X To switch off: press button0002repeatedly
until all the indicator lamps go out. Problems with the seat ventilation The seat ventilation has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting. Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving, or
driving without the steering wheel adjustment
feature locked could cause the driver to lose
control of the vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Achild's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury. Steering wheel
101Seats, steering wheel and mirrors Z
Adjusting the steering wheel
manually
0002
Release lever
0003 To adjust the steering wheel height
0022 To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever 0002down completely.
The steering column is unlocked.
X Adjus tthe steering wheel to the desired
position.
X Push release lever 0002up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction. Adjusting the steering wheel
electrically
0002
To adjust the steering wheel height
0003 To adjust the steering wheel position
(fore-and-aft adjustment) i
Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 102)
R Storing settings (Y page 106) EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
Make sure that nobody can become trapped
when you activate the EASY-ENTRY/EXIT
feature.
If there is a risk of someone becoming
trapped, stop the adjustment procedure. To
halt the procedure:
R press the steering column adjustment
button.
R press one of the memory function position
buttons.
The steering column stops moving
immediately.
Do not keep the memory function position
button pressed as this will start the memory
function and set the steering wheel and seat
in motion.
Do not leave children unattended in the
vehicle. They could open the driver's door and
thereby unintentionally activate the EASY-
ENTRY/EXIT feature and become trapped. G
WARNING
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board
computer (Y page 211).102
Steering wheelSeats, steering wheel and mirrors
X
Make sure that the SmartKey is in position
1or 2in the ignition lock.
X Press button 0002for the left-hand exterior
mirror or button 0003for the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 0022as long
as the indicator lamp is lit.
X Press adjustment button 0022up, 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
conditions.
Folding the exterior mirrors in or out
electrically This function is only available in vehicles for
Canada. X
Make sure that the SmartKey is in position
1or 2in the ignition lock.
X Briefly press button 0002.
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
9m ph (15 km/h), you can no longer fold in
the exterior mirrors.
Setting the exterior mirrors This function is only available in vehicles for
Canada.
If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset
.The exterior mirrors will
otherwise not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer (Y page 212).
X Make sure that the SmartKey is in
position 1in the ignition lock.
X Briefly press button 0002.
Folding the exterior mirrors in or out
automatically This function is only available in vehicles for
Canada.
If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y
page 212):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the
outside.
R the exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
i If the exterior mirrors have been folded in
manually, they do not fold out. 104
MirrorsSeats, steering wheel and mirrors
Exterior mirror out of position
If an exterio
rmirro rhas been pushed out of
position, proceed as follows:
X Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct positio nmanually.
X Vehicles with electrically folding
exterior mirrors 4
: until you hear a click
and then the mirrors engage in position.
(Y page 104)
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Y page 103). Automatic anti-glare mirrors
G
WARNING
If inciden tlight fro mheadlamps is prevented
from striking the sensor in the rear-view
mirror, for instance, by luggage piled too high
in the vehicle, the mirror's automatic anti-
glare function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the following conditions are met
simultaneously:
R the ignition is switched on and
R inciden tlight fro mheadlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior
lighting is switched on. Parking position for the exterior
mirror on the front-passenger side
Setting and storing the parking position Using reverse gear
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. You can store this
position.
X
Make sure that the vehicle is stationary and
that the SmartKey is in position 2in the
ignition lock.
X Press button 0003for 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 0022to 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
position.
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 M0021.
4 Canada only. Mirrors
105Seats, steering wheel and mirrors Z
Stopping
G
WARNING
When leaving the vehicle, even if it is braked
only by DISTRONIC PLUS, it could roll away if:
R there is a malfunction in the system or in
the voltage supply.
R DISTRONIC PLUS has been deactivated
with the cruise control lever, e.g. by a
vehicle occupant or from outside the
vehicle.
R the electrical system in the engine
compartment, the battery or the fuses have
been tampered with.
R the battery is disconnected.
R the accelerator pedal has been depressed,
e.g. by a vehicle occupant.
There is a risk of an accident.
If you wish to exit the vehicle, always turn off
DISTRONIC PLUS and secure the vehicle
against rolling away.
Deactivating DISTRONIC PLUS
(Y page 173).
If DISTRONIC PLUS detects that the vehicle
in front is stopping, it brakes your vehicle until
it is stationary.
Once your vehicle is stationary, it remains
stationary and you do not need to depress the
brake.
i Depending on the specified minimum
distance, your vehicle will come to a
standstill at a sufficient distance behind the
vehicle in front.T he specified minimum
distance is set using the control on the
cruise control lever.
You will see a warning message in the
multifunction display if DISTRONIC PLUS is
activated and:
R the driver's door is open and the driver's
seat belt is unfastened.
R the engine is switched off.
R the hood is opened.
Shift to 'P' X
Shift the transmission to position Pto
prevent the vehicle from rolling away.
DISTRONIC PLUS is deactivated. The
warning message in the multifunction
display disappears.
The horn will also sound at regular intervals if
DISTRONIC PLUS is activated and you:
R switch the engine off, open the driver's
door and remove your seat belt
R open the hood
The sounding of the horn alerts you to the fact
that the vehicle has been parked while
DISTRONIC PLUS is still activated. The sound
becomes louder if you attempt to lock the
vehicle. The vehicle is not locked until
DISTRONIC PLUS is deactivated.
i If the engine has been switched off, it
cannot be started again until DISTRONIC
PLUS has been deactivated.
If DISTRONIC PLUS is activated and a
malfunction occurs in the system or if there
is a disruption in the power supply, the
Brake Immediately message is shown in
the multifunction display. Depress the brake
firmly immediately until the warning message
disappears from the multifunction display or
shift the transmission to position P.
DISTRONIC PLUS is then deactivated.
Setting aspeed X
Press the cruise control lever up 0002for a
highe rspeed or down 0003for a lower speed.
X To adjust the set speed in 1 mph
increments (1 km/h increments): briefly
press the cruise control lever up 0002or
down 0003to the pressure point.
Every time the cruise control lever is
pressed up 0002or down 0003the last speed
stored is increased or reduced.
X To adjust the set speed in 5 mph
increments (10 km/h increments):
briefly press the cruise control lever Driving systems
171Driving and parking Z
X
Push a round pen into opening
0022(Y page 278) for approximately three
seconds.
The zone currently selected appears in
compass display 0003(Ypage 278).
X To select the zone: push a round pen into
opening 0022(Ypage 278) until the desired
zone is selected.
If, after a few seconds, the display in
compass display 0003(Ypage 278) changes
direction, the zone has been selected.
Calibrating the compass X
Make sure that there is sufficient space for
you to drive in a circle without impeding
traffic.
In order to calibrate the compass correctly,
do the following:
R calibrate the compass in the open and not
in the vicinity of steel structures or high-
voltage transmission lines.
R switch off electrical consumers such as the
climate control, windshield wipers or rear
window defroster.
R close all doors and the trunkl id.
X Switch on the ignition.
X Push a round pen into opening
0022(Y page 278) for approximately six
seconds, until symbol C is shown in
compass display 0003(Ypage 278).
X Drive your vehicle in a full circle at
approximately 3 mph (5 km/h) to 6 mph
(10 km/h).
When the calibration has successfully been
completed, the current direction is shown
in compass display 0003(Ypage 278). Floormat on the driver's side
G
WARNING
Objects in the driver's footwell can restric tthe
pedal travel or obstruct adepressed pedal. The operating and road safety of the vehicle
is jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficien tclearance for the pedals. Do not use
loose floormats. X
Slide the seat backwards.
X To install: place the floormat in the
footwell.
X Press studs 0002onto retainers 0003.
X To remove: pull the floormat off
retainers 0003.
X Remove the floormat. Features
279Stowage and features Z