2018 MERCEDES-BENZ CLA seat adjustment

Problem
Possible causes/consequences and P Solutions
The PASSENGER AIR
BAG OFF indicator lamp
lights up and remains lit,
even though the front-
passenger seat is occu-
pied by an adult or ap er-
son of as tature corre-
sponding to that of an
adult. The classification of the person on the front-passenger seat is incor-
rect. X
Make sure the condition sf or ac orrect classification of the person
on the front-passenger seat are met ( Y
page 48).X
If the PASSENGER AIR BAG OFF indicator lamp remains lit, the front-
passenger seat may not be used. X
Have OCS checked as soon as possible at an authorized Mercedes-
Benz Center.
The PASSENGER AIR
BAG OFF indicator lamp
does not light up and/or
does not stay on.
The front-passenger seat
is: R
unoccupied R
occupied with the
weight of ac hild up to
twelve months old in a
child restraint system OCS is malfunctioning. X
Make sure there is nothin gb etween the seat cushion and the child
seat. X
Make sure that the entire base of the child restraint system rests on
the seat cushion of the front-passenger seat. The backrest of the
forward-facing child restraint system must lie as flat as possible
against the backrest of the front-passenger seat. If necessary,
adjust the position of the front-passenger seat. X
Make sure that the seat cushion length is fully retracted. X
When installing the child restraint system, make sure that the seat
belt is tight. Do not pull the seat belt tight using the front-passenger
seat adjustment .T his could result in the seat belt and the child
restraint system being pulled too tightly. X
Check for correct installation of the child restraint system.
Make sure that the head restraint does not apply al oad to the child
restraint system. If necessary, adjust the head restraint accord-
ingly. X
Make sure that no object sa re applying additional weight onto the
seat. X
If the PASSENGER AIR BAG OFF indicator lamp remains off and/or
the PASSENGER AIR BAG ON indicator lamp lights up, do not install
ac hild restraint system on the front-passenger seat. It is recom-
mended that you install the child restraint system on as uitable rear
seat. X
Have OCS checked as soon as possible at an authorized Mercedes-
Benz Center.
Deployment of Emergency Tensioning
Devices and air bags
Important safety notes
G WARNING
The air bag parts are hot after an air bag has
been deployed. There is ar isk of injury.
Do not touch the air bag parts. Have a
deploye da ir bag replaced at aq ualified spe-
cialist workshop as soon as possible. G WARNING
Ad eploye da ir bag no longer offers any pro-
tection and cannot provide the intended pro-
tection in an accident. There is an increased
risk of injury.
Have the vehicle towed to aq ualified special-
ist workshop in order to have ad eploye da ir
bag replaced.
It is important for your safety and that of your
passenger to have deploye da ir bags replaced52
Occupant safety
Safety

motion. This could cause you to lose control of
the vehicle. There is ar isk of an accident.
Always make sure that the driver' ss eat is
engage db efore starting the vehicle.
G WARNING
You could lose control of you rv ehicl eify ou do
the following while driving: R
adjust the driver' ss eat, head restraint,
steering whee lorm irrorsR
fasten the seat belt
There is ar isk of an accident.
Adjust the driver' ss eat, head restraint, steer-
ing whee la nd mirror and fasten you rs eat belt
before starting the engine.
G WARNING
If you adjust the seat height carelessly ,y ou or
other vehicl eo ccupants could be trappe da nd
thereby injured. Children in particular could
accidentally press the electrica ls eat adjust-
ment buttons and become trapped. There is a
risk of injury.
Whil em oving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
! To avoi dd amage to the seats and the seat
heating, observe the following information: R
keep liquid sf rom 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 heat-
ing should als on ot 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, nail sort ools. The
seats should only be occupied by passen-
gers, if possible. R
when the seat heating is in operation, do
not cover the seats with insulating materi-
als ,e .g. blankets, coats, bags ,s eat covers,
child seats or booster seats. ! Make sure that there are no objects in the
footwel lu nder or behind the seats when mov-
ing the seats back. There is ar isk that the
seats and/or the objects could be damaged.
i Further related subjects: R
cargo compartment enlargement (folding
down the rear seats) ( Y
page 240)
Adjusting the seats manually
Vehicles without the seating comfort
package
Seat fore-and-aft adjustment: X
Lift handle C and slid et he seat forwards or
backwards. X
Release lever C again.
Make sure that you hear the seat engage in
position.
Backrest angle: X
Relieve the pressure on the backrest. X
Turn handwheel

Vehicles with the seatin gc om fort pack-
age
Sea tf ore-and-aft adjustment:X
Lif th an dle C and slid et he sea tf orward so r
rearwards. X
Releas el ev er C again.
Make sure tha ty ou hea rt he sea te ngage in
position.
Backrest angle: X
Relieve the pressure on the backrest. X
Turn handwheel

Using the fore-and-aft adjustment, adjust the
head restraint so that it is as close as possible to
your head.
General notes For vehicles with sports seats you cannot adjust
the front head restraints or the outer rear head
restraints.
Adjusting the head restraints manually Adjusting the head restraint height
X
To raise: pull the head restraint up to the
desired position. X
To lower: press release catch C in the direc-
tion of the arrow and push the head restraint
down to the desired position.
Adjusting the fore/aft position of the
head restraint With this function you can adjust the distance
between the head restraint and the back of the
seat occupant's head. X
To move forwards: pull the head restraint
forwards in the direction of the arrow until it
engages.
There are several notches. X
To move backwards: press and hold release
button C and push the head restraint back-
wards. X
When the head restraint is in the desired posi-
tion, release the button and make sure that
the head restraint is engaged in position.
Rear seat head restraints Adjusting the rear seat head restraint
height
X
To raise: pull the head restraint up to the
desired position. X
To lower: press release catch C and push
the head restraint down until it is in the
desired position.
Adjusting the 4-way lumbar support You can adjust the contour of the front seat
backrests individually to provide optimum sup-
port for your back. Seats 93
Seats, steering whee la nd mirrors Z