2008 MERCEDES-BENZ CLS COUPE ignition

Cockpit
23Function Page
1 Combination switch with:
• Main-beam headlamps 94
• Turn signals 94
• Windscreen wipers 97
2 Cruise control lever for:
• Cruise control 132
• Distronic* 135
• Speedtronic 142
3 Multi-function steering
wheel
30
4 Instrument cluster
26
5 Horn
6
Linguatronic lever* – see
separate operating instruc-
tions
7
Parktronic* warning dis-
play
149 Function Page
8 Controls Thermatic or 4-
zone Thermotronic*
153
Switches the rear window
heating on/off
164
9 Overhead control panel
36
a Glove compartment
177
b
Controls COMAND APS*
and the audio system, see
the respective operating
instructions
c Centre console
32
d Ignition lock
74
e Adjusts the steering wheel
manually
82
f Adjusts the steering wheel
electrically*
81
Switches the steering
wheel heating* on/off
82 Function Page
g Adjusts the headlamp
range
95
h Parking brake
104
j Opens the bonnet
193
k Releases the parking brake
104
l Light switch
91
m Door control panel
37At a glance
* optional
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Cockpit
25Function Page
1 Glove compartment
177
2 Overhead control panel
36
3 Controls Thermatic or 4-
zone Thermotronic*
153
Switches the rear window
heating on/off
164
4
Parktronic* warning dis-
play
149
5 Combination switch with:
• Main-beam headlamps 94
• Turn signals 94
• Windscreen wipers 97
6 Cruise control lever for:
• Cruise control 132
• Distronic* 135
• Speedtronic
142 Function Page
7 Multi-function steering
wheel
30
8 Instrument cluster
26
9 Horn
a
Linguatronic lever* – see
separate operating instruc-
tions
b Door control panel
37
c Light switch
91
d Adjusts the headlamp
range
95
e Opens the bonnet
193
f Releases the parking brake
104
g Ignition lock
74
h Adjusts the steering wheel
manually
82 Function Page
j Adjusts the steering wheel
electrically*
81
Switches the steering
wheel heating* on/off
82
k Parking brake
104
l Centre console
32
m
Controls COMAND APS*
and the audio system, see
the respective operating
instructions At a glance
* optional
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Centre console
35Function Page
1
Switches the seat heating*
on the left-hand side on/off
80
2 Rolls the rear window
blind* up/down
180
3 Folds back the rear seat
head restraints
79
4 Switches the hazard warn-
ing lamps on/off
94
5 5 PASSENGER AIRBAG
OFF warning lamp
5 51
6 Unlocks the vehicle
70
7
ATA indicator lamp* 61
8 Deactivates/activates
ESP
® 59
9
Switches the seat heating*
on the right-hand side on/
off
80 Function Page
a Switches the seat ventila-
tion* on the right-hand side
on/off
80
b Locks the vehicle
70
c Opening button CD
changer*– see the
the separate operating
instructions
d Switches the seat ventila-
tion* on the left-hand side
on/off
80
5
The warning lamp lights up briefly when the key is turned to position 2 in the ignition lock, even on vehicles which do not have automatic child seat recognition* on
the front-passenger seat. In that case it has no function and does not indicate that the front-passenger seat is equipped with automatic child seat recognition*. At a glance
* optional
219_AKB; 2; 4, en-GB
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Occupant safety
43In particular, work relevant to safety or on
safety-related
systems must be carried out
at a qualified specialist workshop. If this
work is not carried out correctly, the oper-
ating safety of your vehicle may be affec-
ted. There is a risk of an accident and injury. SRS (Supplemental Restraint System)
The SRS reduces the risk of occupants com-
ing into contact with the vehicle's interior in
the event of an accident. It can also reduce
the forces to which occupants are exposed
during an accident.
The SRS consists of:
R 1 warning lamp
R belt tensioners
R belt force limiters
R Airbags
1 warning lamp The SRS functions are checked regularly
when you turn on the ignition and when the
engine

is running. Malfunctions can therefore
be detected in good time. The 1 warning lamp in the instrument
cluster

lights up when the ignition is switched
on. It goes out no later than a few seconds
after the engine is started. G
Risk of injury
If SRS is malfunctioning, individual systems
may be activated unintentionally or not be
triggered in the event of an accident with
heavy braking.
A malfunction has occurred if the 1
warning lamp:
R does

not light up when you switch on the
ignition
R does not go out after the engine has been
running for a few seconds
R lights up again once the engine is running
In this case, have SRS checked immedi-
ately at a qualified specialist workshop.
Triggering of belt tensioners, belt force
limiters and airbags In the event of a collision, the sensor in the
airbag

control unit evaluates important phys-
ical data such as duration, direction and force
of the vehicle deceleration or acceleration.
Based on the evaluation of this data and depending on the vehicle's rate of longitudi-
nal deceleration in a collision, in the first
stage the airbag control unit pre-emptively
triggers the belt tensioners.
i
The

front belt tensioners can only be trig-
gered if the belt tongue is correctly
engaged in the seat belt buckle.
The front airbags are only deployed if there is
an even higher rate of vehicle deceleration in
a longitudinal direction.
Vehicles fitted with adaptive, dual-stage front
airbags: when the first deployment threshold
is reached, the front airbag is filled with
enough gas to reduce the risk of injuries. The
front airbag is only fully inflated if a second
threshold is reached within a few millisec-
onds due to the control unit having detected
further deceleration.
Criteria for triggering belt tensioners and
airbags
In the first stage of a collision, the airbag con-
trol unit evaluates the duration and direction
of vehicle acceleration or deceleration in
order to determine whether it is necessary to
trigger the belt tensioner and/or airbag.
The belt tensioner and airbag triggering
thresholds are variable and are adapted to the
rate of deceleration of the vehicle. This proc- Safety
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Occupant safety
44
ess is pre-emptive in nature as the airbag
must
be deployed during – and not at the end
of – the collision.
i Airbags are not deployed in all types of
accidents. They are controlled by complex
sensor technology and evaluation logic.
This process is pre-emptive in nature as
airbag deployment must take place during
the impact and must be adapted to provide
calculated, additional protection for the
vehicle occupants. Not all airbags are
deployed in an accident.
The different airbag systems work inde-
pendently of each other. However, the
deployment of each individual system will
depend on the type of accident determined
by the control system in the first stages of
the collision (head-on collision, side impact
and overturn) and the extent of the acci-
dent (in particular, the vehicle's rate of
deceleration or acceleration).
The rate of vehicle deceleration or accelera-
tion and the direction of the force are basi-
cally determined by:
R the distribution of forces during the colli-
sion
R the collision angle R
the deformation characteristics of the vehi-
cle
R the characteristics of the object with which
the vehicle has collided, e.g. the other vehi-
cle
Factors which can only be seen and measured
after the collision has taken place do not play
a decisive role in the deployment of an airbag,
nor do they provide an indication of it.
The vehicle may be deformed significantly,
e. g. on the bonnet or the wing, without an
airbag being deployed. This happens if only
parts which are relatively easily deformed are
affected and the necessary deceleration does
not occur. Conversely, airbags may be
deployed even though the vehicle suffers only
minor deformations. This is the case if, for
example, very rigid vehicle parts such as lon-
gitudinal body members are affected and suf-
ficient deceleration occurs as a result.
Belt tensioners, belt force limiters The front seat belts and the outer seat belts
in

the rear are equipped with belt tensioners.
! Do not engage the seat belt tongue in the
buckle on the front-passenger seat if the
seat is not occupied. Otherwise the belt tensioner could be activated in an emer-
gency.
If the seat belt is also equipped with a belt
force limiter, the force exerted by the seat
belt on the seat occupant is reduced.
Belt tensioners tighten the seat belts in an
accident,

pulling them close against the body.
i Belt tensioners do not correct incorrect
seat positions or incorrectly fastened seat
belts.
Belt tensioners do not pull occupants back
towards the backrest.
The front belt force limiters are synchronised
with the front airbags, which spread the
forces exerted by the belt force limiters on
the occupant over a greater area.
When the ignition is switched on, the belt ten-
sioner is triggered:
R only if the restraint systems are operational
(the 1 warning lamp lights up after the
ignition is switched on and goes out once
the engine is running)(Y page 43)
R for each three-point seat belt in the front of
the vehicle when the belt tongue is
engaged in the buckle
R In the event of a head-on or rear-end colli-
sion if the vehicle decelerates or acceler- Safety
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Occupant safety
51G
Risk of injury
If the front-passenger front airbag is not
disabled:
R a child secured in a child restraint system
on the front-passenger seat can be seri-
ously and even fatally injured by the
front-passenger airbag deploying. This is
especially likely if the child is in the imme-
diate vicinity of the front-passenger front
airbag when it is deployed.
R a child must never be secured on the
front-passenger seat in a rearward-facing
child restraint system. Only secure a
rearward-facing child restraint system on
a suitable rear seat.
R always move the front-passenger seat to
the rearmost position if you secure a
child in a forward-facing child restraint
system on the front-passenger seat.
The front-passenger front airbag is not dis-
abled:
R on vehicles without automatic child seat
recognition in the front-passenger seat*
R on vehicles with automatic child seat rec-
ognition on the front-passenger seat* if there is no child restraint system with
automatic child seat recognition fitted to
the front-passenger seat.
R on vehicles with automatic child seat rec-
ognition on the front-passenger seat*, if
the 5 PASSENGER AIRBAG OFF warn-
ing lamp is not lit.
To draw attention to this danger, there is an
appropriate warning sticker on the dash-
board as well as on both sides of the sun
visor on the front-passenger side.
Information about recommended child
restraint systems is available at any
Mercedes-Benz Service Centre.
Automatic child seat recognition on the
front-passenger seat*
If your vehicle does not have automatic child
seat recognition on the front-passenger seat,
this is indicated by a special sticker.
The sticker is affixed to the side of the dash-
board on the front-passenger side. It is visible
when you open the front-passenger door.
The warning lamp 6
is located on the centre
console.1 5 PASSENGER AIRBAG OFF warning
lamp
The front-passenger seat sensor system for
child restraint systems detects whether a
special Mercedes-Benz child seat with auto-
matic child seat recognition has been fitted.
In such cases, the 5 PASSENGER AIRBAG
OFF indicator lamp 1 lights up. The front-
passenger airbag is deactivated.
G Risk of injury
If the 5 PASSENGER AIRBAG OFF warn-
ing lamp does not light up when the child
restraint system is fitted, the front-
passenger front airbag has not been disa-
bled. If the front-passenger front airbag is
6 Vehicles without automatic child seat recognition in the front-passenger seat: the warning lamp lights up briefly when you turn the key to position 2 in the ignition
lock. However, it has no function and does not indicate that there is automatic child seat recognition on the front-passenger seat.
Safety
* optional
219_AKB; 2; 4, en-GB
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Z

Occupant safety
52 inflated, the child could be seriously or even
fatally injured.
Proceed as follows:
R
Do not use a rearward-facing child
restraint system on the front-passenger
seat.
R Fit a rearward-facing child restraint sys-
tem on a suitable rear seat.
or
R Only use a forward-facing child seat on
the front-passenger seat and move the
front-passenger seat to its rearmost
position.
R Have the automatic child seat recogni-
tion checked at a qualified specialist
workshop. To ensure that the automatic child seat rec-
ognition on the front-passenger seat func-
tions correctly, never place objects (such
as a cushion) under the child restraint sys-
tem. The entire base of the child restraint
system
must always be resting on the seat
cushion. An incorrectly fitted child restraint
system cannot perform its intended pro-
tective function in the event of an accident,
and could even lead to injuries.
i The windowbag, the sidebag and the belt
tensioner on the front-passenger side are
still active even if the front-passenger front
airbag is disabled. G
Risk of injury
Do not place items of electronic equipment
on the front-passenger seat, e.g.:
R laptops, if switched on
R mobile phones
R cards with transponders, e.g. ski passes
or access passes
Signals from electronic equipment can
cause interference in the automatic child
seat recognition sensor system. This can
lead to a system malfunction. This may
cause the 5 PASSENGER AIRBAG OFF
warning lamp to light up without there
being

a child seat with automatic child seat
recognition fitted. This means the front-
passenger airbag is not deployed during an
accident. It is also possible that the
5 PASSENGER AIRBAG OFF warning
lamp will not light up if you turn the key in
the ignition lock to position 2.Safety
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Driving safety systems
59ESP
®
(Electronic Stability Program)
ESP ®
monitors driving stability and traction,
i.e. power transmission between the tyres
and the road surface.
If ESP ®
detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilise the
vehicle.
The engine output is also modified, if
necessary, to keep the vehicle on the desired
course within the scope of the laws of phys-
ics. ESP ®
assists the driver when pulling away
on wet or slippery roads. ESP ®
can also sta-
bilise the vehicle during braking.
When ESP ®
intervenes, the v warning
lamp flashes in the instrument cluster. G
Risk of accident
If the v
warning lamp in the instrument
cluster flashes, proceed as follows:
R
Do not deactivate ESP ®
under any cir-
cumstances.
R Only depress the accelerator pedal as far
as necessary when pulling away.
R Adapt your driving style to suit the pre-
vailing road and weather conditions.
The vehicle could otherwise go into a skid. ESP
®

cannot reduce the risk of an accident
if you drive too fast. ESP ®
cannot override
the laws of physics.
! If the vehicle is to be towed with the front
or rear axle raised, the ignition must be
switched off (key in position 0 or 1 in the
ignition lock). Application of the brakes by
ESP ®
could otherwise destroy the brake
system on the front or rear axle.
i Only use wheels with the recommended
tyre sizes. Only then will ESP ®
function
properly.
To deactivate/activate ESP ® ESP
®
is activated automatically when the
engine is running.
It may be best to deactivate ESP ®
in the fol-
lowing situations:
R when using snow chains
R in deep snow
R on sand or gravel G
Risk of accident
Activate ESP ®
as soon as the situations
described
above no longer apply. ESP ®
will
otherwise not be able to stabilise the vehi-
cle if the vehicle starts to skid or a wheel
starts to spin.
If you deactivate ESP ®
:
R ESP ®
no longer improves driving stability
R Engine torque is not limited and the drive
wheels are able to spin. The spinning
wheels produce a cutting effect for better
traction.
R traction control is still activated.
R ESP ®
still provides support when you
brake.
i If ESP ®
is deactivated and one or more
wheels start to spin, the v warning lamp
in the instrument cluster flashes. ESP ®
does not, stabilise the vehicle. Safety
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