Safet y, Occupant safety – Mercedes-Benz SL-Class 2015 User Manual

Page 61

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Occupant Classification System

(OCS)

Introduction

The Occupant Classification System (OCS)

categorizes the person in the front-passenger

seat. Depending on that result, the front-

passenger front air bag and front-passenger

knee bag are either enabled or deactivated.
The system does not deactivate:

the side impact air bag

the front-passenger head bag

the Emergency Tensioning Devices

Prerequisites

To be classified correctly, the front passenger

must sit:

with the seat belt fastened correctly

in an almost upright position with their

back against the seat backrest

with their feet resting on the floor, if possi-

ble

If the front passenger does not observe these

conditions, OCS may produce a false classi-

fication, e.g. because the front passenger:

transfers their weight by supporting them-

selves on a vehicle armrest

sits in such a way that their weight is raised

from the seat cushion

If you install a child restraint system on the

front-passenger seat, be sure to observe the

correct positioning of the child restraint sys-

tem. Never place objects under or behind the

child restraint system, e.g. cushions. The

entire base of the child restraint system must

always rest on the seat cushion of the front-

passenger seat. The backrest of the forwards-

facing child restraint system must, as far as

possible, be resting on the backrest of the

front-passenger seat.
The child restraint system must not touch the

roof or be put under strain by the head

restraint. Adjust the angle of the seat back-

rest and the head restraint position accord-

ingly.
Only then can OCS be guaranteed to function

correctly. Always observe the child restraint

system manufacturer's installation instruc-

tions.

Occupant Classification System opera-

tion (OCS)

PASSENGER AIR BAG OFF indicator lamp

;

PASSENGER AIR BAG ON indicator lamp

PASSENGER AIR BAG OFF indicator lamp :

informs you whether the front-passenger

front air bag is deactivated.

Turn the SmartKey to position 1 or 2 in the

ignition lock, or press the Start/Stop but-

ton once or twice on vehicles with KEY-

LESS-GO.

The system carries out a self-diagnosis.

The PASSENGER AIR BAG ON indicator lamp

is inoperative. It lights up briefly when the

ignition is switched on and then goes out

again.
The PASSENGER AIR BAG OFF indicator lamp

must light up for approximately six seconds.
The PASSENGER AIR BAG OFF indicator lamp

then displays the status of the front-

passenger front air bag. If the status of the

front-passenger front air bag changes while

the vehicle is in motion, an air bag display

message may appear in the instrument clus-

ter (

page 250). When the front-passenger

seat is occupied, always pay attention to the

PASSENGER AIR BAG OFF indicator lamp. Be

Occupant safety

Safet

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