warning lights MERCEDES-BENZ SLC 2017 User Guide
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2017, Model line: SLC, Model: MERCEDES-BENZ SLC 2017Pages: 294, PDF Size: 9.12 MB
Page 51 of 294

deployed air bags replaced and faulty air bags
repaired. This will help to make sure the air bags
continue to perfor mt heir protective function for
the vehicle occupants in the event of ac rash.
G WARNING
Emergenc yT ensioning Devices that have
deployed pyrotechnically are no longer opera-
tional and are unable to perfor mt heir inten-
ded protective function .T his poses an
increased risk of injury or even fatal injury.
Have pyrotechnically triggered Emergency
Tensioning Devices replaced immediately at a
qualified specialist workshop.
An electric moto risu sed by PRE-SAFE ®
to trig-
ger the tightenin goft he seat belt in hazardous
situations. This procedure is reversible.
If Emergenc yT ensioning Devices are triggered
or air bags are deployed, you will hear ab ang,
and as mall amount of powder may also be
released. The u restraint system warning
lamp lights up.
Only in rare cases will the bang affect your hear-
ing. The powder that is released generally does
not constitute ah ealth hazard, but it may cause
short-term breathin gd ifficulties in people with
asthma or other respiratory problems. Provided
it is safe to do so, you should leave the vehicle
immediately or open the window in order to pre-
vent breathin gd ifficulties.
Air bags and pyrotechnic Emergenc yT ensioning
Devices (ETDs) contain perchlorate material,
which may require special handling and regard
for the environment. National guidelines must
be observed during disposal. In California, see
www.dtsc.ca.gov/HazardousWaste/
Perchlorate/index.cfm .
Method of operation Durin gt he first stage of ac ollision, the restraint
system control unit evaluates important physi-
cal data relatin gtov ehicle deceleration or accel-
eration ,s uch as:R
duration R
direction R
intensity
Based on the evaluation of this data, the
restraint system control unit triggers the Emer-
genc yT ensioning Devices during af rontal or
rear collision. An Emergenc yT ensioning Devic ec an only be
triggered, if: R
the ignition is switched on R
the component soft he restraint system are
operational. You can find further information
under: "Restraint system warning lamp"
( Y
page 37) R
the belt tongue has engaged in the belt buckle
of the respective seat
If the restraint system control unit detects a
more severe accident, further component so f
the restraint system are activated independ-
ently of each other in certain frontal collision
situations: R
Fron ta ir bags as well as driver' sa nd front-
passenger knee bags
The front-passenger fron ta ir bag is activated or
deactivated dependin gont he person on the
front-passenger seat. The front-passenger front
air bag can only deploy in an acciden tift he
PASSENGER AIR BA GONi ndicator lamp is lit.
Observe the information on the PASSENGER AIR
BA Gi ndicator lamps ( Y
page 38).
Your vehicle has two-stage fron ta ir bags. During
the first deployment stage, the fron ta ir bag is
filled with propellant gas to reduce the risk of
injuries. The fron ta ir bag is fully deployed with
the maximum amount of propellant gas if as ec-
ond deployment threshold is reached within a
few milliseconds.
The activation threshold of the Emergenc yT en-
sionin gD evices and the air bag are determined
by evaluating the rate of vehicle deceleration or
acceleration which occurs at various point si n
the vehicle. This proces sisp re-emptive in
nature. Deploymen ts hould take place in good
time at the start of the collision.
The rat e
of vehicle deceleration or acceleration
and the direction of the forc ea re essentially
determined by: R
the distribution of forces during the collision R
the collision angle R
the deformation characteristic soft he vehicleR
the characteristic soft he objec tw ith which
the vehicle has collided
Factors which can only be seen and measured
after ac ollision has occurred do not play ad eci-
sive role in the deployment of an air bag. Nor do
they provide an indication of air bag deploy-
ment.
The vehicle can be deformed considerably, with-
out an air bag being deployed. This is the case ifOccupant safety 49
Safety Z
Page 57 of 294

good time, and for staying in lane. Always adapt
your driving style to suit the prevailing road and
weather conditions and maintain as afe distance
from the vehicle in front .D rive carefully.
The driving safety systems described only work
as effectively as possible when there is ade-
quate contact between the tires and the road
surface. Pay particular attention to the informa-
tion regarding tires, recommended minimum
tire tread depths etc. in the "Wheels and tires"
section ( Y
page 255).
In wintry driving conditions, always use winter
tires (M+S tires) and if necessary, snow chains.
Only in this way will the driving safety systems
described in this section work as effectively as
possible.
ABS (Anti-lock Braking System)
General information ABS regulates brake pressure in such aw ay that
the wheels do not lock when you brake. This
allows you to continue steering the vehicle when
braking.
The % ABS warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out when the engine is running.
ABS works from as peed of about 5m ph
(8 km/h), regardless of road-surface conditions.
ABS works on slippery surfaces, even when you
only brake gently.
Important safety notes
i Observe the "Important safety notes" sec-
tion ( Y
page 54).
G WARNING
If ABS is faulty, the wheels could lock when
braking. The steerability and braking charac-
teristics may be severely impaired. Addition-
ally ,f urther driving safety systems are deac-
tivated. There is an increased danger of skid-
ding and accidents.
Drive on carefully. Have ABS checked imme-
diately at aq ualified specialist workshop.
When ABS is malfunctioning, other systems,
including driving safety systems, will also
become inoperative. Observe the information
on the ABS warning lamp ( Y
page 204) and dis- play messages which may be shown in the
instrument cluster ( Y
page 179).
Braking X
If ABS intervenes: continue to depress the
brake pedal vigorously until the braking sit-
uation is over. X
To make af ull brake application: depress
the brake pedal with full force.
If ABS intervenes when braking, you will feel a
pulsing in the brake pedal.
The pulsating brake pedal can be an indication
of hazardous road conditions, and functions as a
reminder to take extr ac are while driving.
BAS (Brake Assist System)
General information BAS operates in emergenc yb raking situations.
If you depress the brake pedal quickly, BAS
automatically boosts the braking force, thus
shortening the stopping distance.
Important safety notes
i Observe the "Important safety notes" sec-
tion ( Y
page 54).
G WARNING
If BAS is malfunctioning, the braking distance
in an emergenc yb raking situation is
increased. There is ar isk of an accident.
In an emergenc yb raking situation, depress
the brake pedal with full force. ABS prevents
the wheels from locking.
Braking X
Keep the brake pedal firmly depressed until
the emergenc yb raking situation is over.
ABS prevent st he wheels from locking.
The brakes will function as usual once you
release the brake pedal. BAS is deactivated.Driving safety systems 55
Safety Z
Page 62 of 294

Deactivating/activating ESP (SLC 43 ®
AMG )Important safet yn otes
i Observ et he "Important safet yn otes "s ec -
tion ( Y
page 54).
You can selec tb etween th ef ol lowin gs tate so f
ES P ®
:R
ES P ®
is activated.R
SPORT handlin gm od eisa ctivated.R
ES P ®
is deactivated.
G WARNING
Whe nS PO RT handlin gm od eisa ctivated,
there is ag re ater ris kofs ki dding and acci-
dents .
Only activat eS PO RT handlin gm od eint he sit -
uation sd escribed in th ef ol lowing.
G WARNING
If you deactivat eE SP ®
,E SP ®
no longer sta-
bilizes th ev ehicle. There is an increase dr is k
of skidding and an accident.
Only deactivat eE SP ®
in th es ituation sd escri-
bed in th ef ol lowing.
In th ef ol lowin gs ituations, it may be bette rt o
activat eS PO RT handlin gm od eord eactivat e
ES P ®
:R
when usin gs no wc ha in sR
in dee ps no wR
on san dorg ra ve lR
on specially designated roads when th ev ehi-
cle's own oversteering and understeering
characteristics are desire d
Spinning th ew heels result sinac utting action
whic hp rovides bette rg ri p.
Driving in SPORT handlin gm od eorw ithout
ES P ®
require sane xtremel yq ualified and expe-
rienced driver .
i Activat eE SP ®
as soo nast he situation s
described abov enol onger apply .E SP ®
will
otherwise no tbea ble to stabilize th ev ehicle if
th ev ehicle start stos ki doraw hee ls ta rt st o
spin. ! Avoid spinnin gt he driven wheels fo ra n
extended period wit hE SP ®
deactivated. You
could otherwise damage th ed rivetrain .
Deactivating/activating ESP ®
X
To activate SPORT handling mode: briefly
press butto n C .
The t SPORT handlin gm od ew arnin g
lamp in th ei nstrument cluster lights up. The
SPORT handling mod e
messag ea ppears in
th em ultifunction display. X
To deactivate SPORT handling mode:
briefly press butto n C .
The t SPORT handlin gm od ew arnin g
lamp in th ei nstrument cluster goe so ut .X
To deactivate ESP ®
: press butto n C until
th e