Rolle
rblind
see Roller sunblind
Roller sunblind
Opening/closin g.............................. 89
Panorama roof with power tilt/
sliding panel ..................................... 88
Roof carrier ........................................ 250
Roof lining and carpets (cleaning
guidelines) ......................................... 279
Roof load (maximum) ........................340
Route (navigation) see Route guidance (navigation)
Route guidance (navigation) ............193 S
Safety Childre ninthe vehicle ..................... 56
Child restraint systems ....................56
Occupant Classification System
(OCS) ............................................... 45
Overview of occupant safety
systems ........................................... 38
Safety system
see Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger sea tbelt ......................... 54
Belt force limiters ............................ 55
Cleaning ......................................... 279
Correct usage .................................. 52
Emergency Tensioning Devices ....... .55
Fastening ......................................... 53
Important safety guidelines .............52
Releasing ......................................... 54
Safety guidelines ............................. 39
Switching belt adjustment on/off
(on-board computer) ......................202
Warning lamp ................................. 232
Warning lamp (function) ................... 55
Seats
Adjusting (electrically). ....................94
Adjusting (manually and
electrically). ..................................... 94
Adjusting the 4-way lumbar
support ............................................ 96
Adjusting the head restraint ............95
Cleaning the cover .........................279Correct driver's seat position ........... 92
Folding the backrests forward/
back ................................................
.95
Important safety notes ....................93
Seat backres tdisplay message .....229
Seat heating problem ......................98
Seat ventilation problem ..................98
Storing settings (memory function) 103
Switching sea theating on/off .........96
Switching sea tventilation on/off ....98
Sensors (cleaning instructions) .......277
Service menu (on-board computer) .199
Service products Brake fluid ..................................... 337
Coolant (engine) ............................ 337
Engine oil ....................................... 336
Fuel ................................................ 333
Important safety notes ..................333
Refrigerant (air-conditioning
system) .......................................... 339
Washer fluid .................................. .338
Settings
Factory (on-board computer) .........203
On-board computer .......................199
Setting the air distribution ...............124
Setting the airflow ............................125
SETUP (on-board computer) .............203
Side impact air bag .............................43
Side marker lamp (display
message) ............................................ 216
Side windows Cleaning ......................................... 276
Convenience closing feature ............85
Convenience opening feature ..........85
Important safety information ...........83
Opening/closing .............................. 84
Problem (malfunction) .....................86
Resetting ......................................... 86
Sliding sunroof
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery .......................75
Changing the programming .............73
Checking the battery .......................75
Convenience closing feature ............85
Convenience opening feature ..........85
Display message ............................ 230 Index
15
Problems with the Occupant Classification System
Problem Possible causes/consequences and
0001 Solutions
The PASSENGER AIR
BAG OFF indicator
lights up and remains
on.
The person on the
front-passenger seat:
R
has the weight of a
typical adult
R has been determined
by the system not to
be a child The OCS is malfunctioning.
X
Make sure that the front passenger is sitting in a correct, upright
position.
X Have the OCS checked as soon as possible at a qualified
specialist workshop.
X Observe the additional display messages in the multifunction
display (Y page 213). G
WARNING
If the 0019001B indicator lamp illuminates and remains illuminated when the weight of a typical
adult or someone larger than a small individual has been detected on the passenger seat, do not
allow any occupant to use the passenger seat until the system has been repaired. Problem Possible causes/consequences and
0001 Solutions
The PASSENGER AIR
BAG OFF indicator
lamp does not light up
and/or stays on.
The front-passenger
seat is:
R
unoccupied
R occupied with a
weight up to that of a
typical twelve-
month-old child in a
standard child
restraint system The OCS is malfunctioning.
X
Make sure there is nothing between the seat cushion and the
child seat.
X Make sure that the backrest and base of the child restraint
system are resting securely on the front-passenger seat. If
necessary, adjust the position of the front-passenger seat.
X When installing the child restraint system, make sure that the
seat belt is tight. Do not pull the seat belt tight with the front-
passenger seat adjustment .This could result in the seat belt
being pulled too tightly.
X Check the installation of the child restraint system.
X Make sure that no objectsa re applying additional weight onto
the seat.
X If the PASSENGER AIR BAG OFF indicator lamp remains off, have
the OCS system checked as soon as possible at a qualified
specialist workshop. Do not transport a child on the front-
passenger seat until the OCS has been repaired.
X Observe the additional display messages in the multifunction
display (Y page 213). Occupant safety
49Safety Z
G
WARNING
If the 0019001B indicator lamp does not illuminate or remains out with the weight of a typical
12-month-old child in a standard child restraint or less, or is unoccupied, on the front-passenger
seat, do not transport achild on the front-passenger seat until the system has been repaired. PRE-SAFE
®
(anticipatory occupant
protection system) G
WARNING
The PRE-SAFE ®
system reduces the impact of
an accident on vehicle occupants, as long as
their seat belts have been fastened correctly.
Although your vehicle is equipped with a PRE-
SAFE ®
system, the possibility of injury in the
event of an accident cannot be ruled out. You
should therefore always drive carefully and
adapt your driving style to the prevailing road,
weather and traffic conditions.
PRE-SAFE ®
takes preemptive measures to
protect occupants in certain hazardous
situations.
PRE-SAFE ®
intervenes:
R if BAS PLUS intervenes powerfully on
vehicles with DISTRONIC PLUS
R if, on vehicles with DISTRONIC PLUS, the
radar sensor system detects an imminent
danger of collision in certain situations
R in critical driving situations, e.g. when
physical limits are exceeded and the
vehicle understeers or oversteers severely
PRE-SAFE ®
takes the following measures
depending on the hazardous situation
detected:
R the front seat belts are pre-tensioned.
R on vehicles with memory function for the
front-passenger seat: the front-passenger
seat is adjusted if it is in an unfavorable
position.
R if the vehicle skids, the panorama roof with
power tilt/sliding panel and the side
windows are closed so that only a small gap
remains. If the hazardous situation passes without
resulting in an accident, PRE-SAFE
®
slackens
the belt pre-tensioning. All settings made by
PRE-SAFE ®
can then be reversed.
If the seat belts are not released:
X When the vehicle is stationary, move the
backrest or seat back slightly.
The seat belt pre-tensioning is reduced and
the locking mechanism is released. G
WARNING
Make sure that nobody can become trapped
as you adjust the seat.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
More information about seat belt adjustment,
a convenience function integrated into PRE-
SAFE ®
, can be found in the "Seat belt
adjustment" section (Y page 54). NECK-PRO head restraints
The NECK-PRO head restraints increase
protection to the driver's and front
passenger's head and neck.T o this end, the
NECK-PRO head restraints on the driver's and
front-passenger seats are moved forwards
and upwards in the event of a rear-end
collision of a certain severity. This provides
better head support. G
WARNING
Do not secure any objects (e.g. coat hangers)
on the NECK-PRO head restraints. Otherwise,
the NECK-PRO head restraints may not
function properly, or in the event of a rear-end 50
Occupant safetySafety
occupants in certain frontal (front air bags,
driver's side knee bag, and ETDs) and side
(side impact air bags, pelvis air bags,
window curtain air bags, and ETDs) impacts
which exceed preset deployment
thresholds.
R Never wear the shoulder belt under your
arm, across your neck or off your shoulder.
In a frontal crash, your body would move
too far forward. That would increase the
chance of head and neck injuries. The seat
belt would also apply too much force to the
ribs or abdomen, which could severely
injure internal organs such as your liver or
spleen.
Adjust the seat belt so that the shoulder
section is located as close as possible to
the middle of the shoulder. It should not
touch the neck.N ever pass the shoulder
portion of the seat belt under your arm.
R Position the lap belt as low as possible on
your hips and not across the abdomen. If
the lap belt is positioned across your
abdomen, it could cause serious injuries in
a crash.
R Never wear seat belts over rigid or
breakable objects in or on your clothing,
such as eyeglasses, pens, keys etc., as
these might cause injuries.
R Make sure the seat belt is always fitted
snugly. Take special care of this when
wearing loose clothing.
R Never use a seat belt for more than one
person at a time. Do not fasten a seat belt
around a person and another person or
other objects at the same time.
R Seat belts should not be worn twisted. In a
crash, you would not have the full width of
the seat belt to distribut eimpact forces.
The twisted seat belt against yourb ody
could cause injuries.
R Pregnant women should also always use a
lap-shoulder belt. The lap belt portion
should be positioned as low as possible on
the hips to avoid any possible pressure on
the abdomen. R
Place the seat backrest in a position that is
as upright as possible.
R Check your seat belt during travel to make
sure it is properly positioned.
R Never place your feet on the instrument
panel, dashboard, or on the seat. Always
keep both feet on the floor in front of the
seat.
R When using a seat belt to secure infant
restraints, toddler restraints, or children in
booster seats, always follow the child seat
manufacturer's instructions. G
WARNING
Do not pass seat belts over sharp edges. They
could tear.
Do not allow the seat belt to get caught in the
door or in the seat adjustment mechanism.
This could damage the seat belt.
Never attempt to make modifications to seat
belts. This could impair the effectiveness of
the seat belts.
Fastening seat belts G
WARNING
According to accident statistics, children are
safer when properly restrained on the rear
seats than on the front-passenger seat. Thus,
we strongly recommend that children be
placed in the rear seat whenever possible.
Regardless of seating position, children 12
years old and under must be seated and
properly secured in an appropriately sized
child restraint system or booster seat
recommended for the size and weight of the
child. For additional information, see the
"Children in the vehicle" section.
Ac hild's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint. Occupant safety
53Safety Z
X
Adjust the seat and move the backrest to
an almos tvertical position (Y page 92).
X Pull the seat belt smoothly through belt
sash guide 0002.
X Without twisting it, guide the shoulder
section of the seat belt across the middle
of your shoulder and the lap section across
your pelvis.
X Engage belt tongue 0003in buckle 0022.
X If necessary, pull upwards on the shoulder
section of the seat belt to tighten the belt
across your body.
All seat belts except the driver's seat belt are
equipped with a special seat belt retractor to
securely fasten child restraint systems in the
vehicle. For further information on special
seat belt retractors, see (Y page 59).
For more information about releasing the seat
belt with release button 0021, see "Releasing
seat belts" (Y page 54).
Seat belt adjustment The seat-belt adjustment function adjusts the
driver's and front-passenger seat belt to the
upper body of the occupants.
The belt strap is tightened slightly when:
R
you engage the belt tongue in the belt
buckle and you then turn the SmartKey to
position 2in the ignition lock. The seat-belt adjustment will apply a
retraction force if any slack is detected
between the occupant and the seat belt. Do
not hold on to the seat belt tightly while it is
adjusting. You can switch the seat-belt
adjustment on and off in the on-board
computer (Y
page 202).
The seat-belt adjustment is an integral part of
the PRE-SAFE ®
convenience function. More
information about PRE-SAFE ®
can be found
in the "PRE-SAFE ®
(anticipatory occupant
protection system)" section (Y page 50).
Releasing seat belts X
Press release button 0021on belt buckle 0022.
X Guide belt tongue 0003to belt sash
guide 0002.
i If you have guided the seat belt back, it is
turned 180°. This is necessary in order to
guarantee that the seat belt is not twisted
and that it is routed correctly when the belt
is fastened.
! Make sure that the seat belt is fully rolled
up. Otherwise, the seat belt or belt tongue
will be trapped in the door or in the seat
mechanism. This could damage the door,
the door trim panel and the seat belt.
Damaged seat belts can no longer fulfill
their protective function and must be 54
Occupant safetySafety
Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment 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
specialist workshops: (Y page 24).Correct driver's seat position
X
Observe the safety guidelines on seat
adjustment (Y page 93).
X Make sure that seat 0022is adjusted
properly.
Manual and electrical seat adjustment
(Y page 94)
Electrical seat adjustment (Y page 94)
When adjusting the seat, make sure that:
R you are as far away from the driver's air bag
as possible.
R you are sitting in a normal upright position.
R you can faste nthe seat belt properly. R
you have moved the backrest to an almost
vertical position.
R you have set the seat cushion angle so that
your thighs are gently supported.
R you can depress the pedals properly.
X Check whether the head restraint is
adjusted properly.
When doing so, make sure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the center of the head restraint.
X Observe the safety guidelines on steering
wheel adjustment (Y page 98).
X Make sure that steering wheel 0002is
adjusted properly.
Adjusting the steering wheel manually
(Y page 99)
Adjusting the steering wheel electrically
(Y page 99)
When adjusting the steering wheel, make
sure that:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrumentc luster clearly.
X Observe the safety guidelines for seat belts
(Y page 52).
X Check whether you have fastened seat
belt 0003properly (Y page 53).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed in your pelvic area across the hip
joints
X Before starting off, adjust the rear-view
mirror and the exterior mirrors in such a
way that you have a good view of road and
traffic conditions (Y page 100).
X Vehicles with a memory function: save
the seat, steering wheel and exterior mirror 92
Correct driver's seat positionSeats, steering wheel and mirrors
settings with the memory function
(Y
page 103). Seats
Important safety notes
G
WARNING
Children could become trapped if they adjust
the seats, 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. G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine. G
WARNING
If you adjust the seat height carelessly, you or
other vehicle occupants could be trapped and
thereby injured. Children in particular could
accidentally press the electrical seat
adjustment buttons and become trapped.
There is a risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under
the lever assembly of the seat adjustment
system. G
WARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. There is arisk of injury.
Make sure when adjusting aseat that no one
has any body parts in the sweep of the seat. G
WARNING
If head restraints are not installed and
adjusted correctly, they cannot provide
protection as intended. There is an increased
risk of injury in the head and neck area, e.g.
in the event of an accident or when braking.
Always drive with the head restraints
installed. Before driving off, make sure for
every vehicle occupant that the center of the
head restraint supports the back of the head
at about eye level. G
WARNING
The seat belt does not offer the intended level
of protection if the backrest is not in the
upright position .When braking or in the event
of an accident, you could slide underneath the
seat belt and sustain abdomen or neck
injuries, for example. This poses an increased
risk of injury or even fatal injury.
Adjust the seat properly before beginning
your journey. Always make sure that the seat
is in the upright position. G
WARNING
According to accident statistics, children are
safer when properly restrained on the rear
seats than on the front-passenger seat. Thus,
we strongly recommend that children be
placed in the rear seat whenever possible.
Regardless of seating position, children 12
years old and under must be seated and
properly secured in an appropriately sized
child restraint system or booster seat
recommended for the size and weight of the
child. For additional information, see the
"Children in the vehicle" section.
Ac hild's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint. Seats
93Seats, steering wheel and mirrors Z
!
To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
i Vehicles without the through-loading
feature: the head restraints cannot be
removed from the rear compartment seats.
For more information, contact a qualified
specialist workshop.
i Further related subjects:
R Rear bench seat through-loading feature
(Y page 248) Adjusting the seats manually and
electrically
You can only adjust the front-passenger seat
manually and electrically. 0002
Backrest angle
0003 Seat height
0022 Seat cushion angle
0021 Seat fore-and-aft adjustment
i Adjust the seat cushion angle so that your
thighs are lightly supported.
Seat fore-and-aft adjustment X
Lift handle 0021and slide the seat forwards
or rearwards.
X Release lever 0021again.
Make sure that you hear the seat engage in
position.
Seat cushion angle X
Turn handwheel 0022in the desired direction. Adjusting the seats electrically
0002
Head restraint height
0003 Seat cushion angle
0022 Seat height 94
SeatsSeats, steering wheel and mirrors