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Due to the nature of the system, particularly
complicated but non-critical driving conditions
may also cause Brake Assist to intervene.
If Adaptive Brake Assist is not available due to a
malfunction in the radar sensor system, the
brake system remains available with full brake
boosting effect and BAS.
Adaptive brake lights
i
Observe the "Important safety notes" sec-
tion (
page 62).
Y
If you brake sharply from a speed of more than
50 km/h or if braking is assisted by BAS or
Brake Assist with Cross-Traffic Assist, 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 warning
lamps are activated automatically. If the brakes
are applied again, the brake lamps light up con-
tinuously. 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
(
page 115).
Y
®
ESP
(Electronic Stability Program)
General notes
i
Observe the "Important safety notes" sec-
tion (
page 62).
Y
®
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 to keep the vehi-
cle on the desired course within physical limits.
®
ESP
assists the driver when pulling away on
wet or slippery roads. ESP
the vehicle during braking.
ETS (Electronic Traction System)
i
Observe the "Important safety notes" sec-
tion (
page 62).
Y
®
can also stabilise
Driving safety systems
ETS traction control is part of ESP
ETS brakes the drive wheels individually if they
spin. This enables you to pull away and acceler-
ate on slippery surfaces, e.g. if the road surface
is slippery on one side. In addition, more drive
torque is transferred to the wheel or wheels with
traction.
ETS remains active when you deactivate ESP
i
Mercedes-AMG vehicles: your vehicle may
be equipped with 20-inch tyres on the rear
axle. If replaced with 19-inch tyres, ETS may
intervene noticeably sooner for the first few
kilometres. After approximately 10 km ETS
will function as usual again. Information on
the dimensions and types of wheels and tyres
for your vehicle can be found under "Wheel/
tyre combinations" (
Important safety notes
G
WARNING
®
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.
When towing away your vehicle with the rear
axle raised, observe the notes on ESP
(
page 300).
Y
®
If the å ESP
OFF warning lamp lights up
continuously, then ESP
®
If the ÷ ESP
warning lamp and the å
®
ESP
OFF warning lamp are lit continuously,
®
ESP
is not available due to a malfunction.
Observe the information on warning lamps
(
page 246) and display messages which may
Y
be shown in the instrument cluster
(
page 217).
Y
i
Only use wheels with the recommended tyre
sizes. Only then will ESP
Characteristics of ESP
General notes
If the ÷ ESP warning lamp goes out before
beginning the journey, ESP
active.
®
.
page 317).
Y
®
is unable to
®
checked at a
®
®
is deactivated.
®
function properly.
®
®
is automatically
Z
67
®
.
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