Mercedes-Benz C-Class 2014 Owner's Manual page 83

Driving safety systems
80
Adaptive brake lamps
The adaptive brake lights warn following traf-
fic in an emergency braking situation:
by flashing brake lamps
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by activating the hazard warning lamps
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If you brake sharply from a speed of more
than 50 km/h or if braking is assisted by BAS
or BAS PLUS, the brake lamps flash rapidly. In
this way, traffic travelling behind you is
warned in an even more noticeable manner.
If you brake sharply from a speed of more
than 70 km/h to a standstill, the hazard warn-
ing lamps are activated automatically. If the
brakes are applied again, the brake lamps
light up continuously. The hazard warning
lamps switch off automatically if you travel
faster than 10 km/h. You can also switch off
the hazard warning lamps using the hazard
warning button (
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ESP (Electronic Stability Program)
General notes
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Observe the "Important safety notes" sec-
tion ( page 74).
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ESP monitors driving stability and traction,
i.e. power transmission between the tyres
and the road surface.
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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 to
keep the vehicle on the desired course within
physical limits. ESP
pulling away on wet or slippery roads. ESP
can also stabilise the vehicle during braking.
ETS/4ETS (Electronic Traction System)
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Observe the "Important safety notes" sec-
tion ( page 74).
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ETS traction control is part of ESP
cles with 4MATIC, 4ETS is a component of
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ESP .
page 137).
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assists the driver when
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. On vehi-
Traction control brakes the drive wheels indi-
vidually if they spin. This enables you to pull
away and accelerate on slippery surfaces, for
example if the road surface is slippery on one
side. In addition, more drive torque is trans-
ferred to the wheel or wheels with traction.
Traction control remains active if you deacti-
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vate ESP .
Important safety notes
i
Observe the "Important safety notes" sec-
tion ( page 74).
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G WARNING
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If ESP is malfunctioning, ESP
stabilise the vehicle. In addition, other driving
safety systems are switched off. This increa-
ses the risk of skidding and an accident.
Drive on carefully. Have ESP
qualified specialist workshop.
! If you test the parking brake using a brake
dynamometer, switch the ignition off.
Application of the brakes by ESP
erwise destroy the brake system.
When towing your vehicle with the rear axle
raised, observe the notes on ESP
( page 422).
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ESP is deactivated if the å warning lamp
in the instrument cluster lights up and:
the vehicle is moving
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the ECO start/stop function is activated
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If the ÷ warning lamp lights up continu-
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ously, ESP is not available due to a malfunc-
tion.
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Observe the information on warning lamps
( page 357) and display messages which
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may be shown in the instrument cluster
( page 315).
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Only use wheels with the recommended tyre
sizes. Only then will ESP
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is unable to
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checked at a
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may oth-
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function properly.