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164 Driving and parking
Information on the AMG ceramic high-perform-
ance composite brake system
The brake system is designed for heavy loads.
This may lead to noise when braking. This effect
can also occur after washing the vehicle.
The noise depends on the following factors:
speed
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brake force
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environmental conditions, e.g. temperature
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and air humidity
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Have the brake system checked at a qualified
specialist workshop after it has been subjec-
ted to extreme loads.
ECO start/stop function
ECO start/stop function
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Depending on the engine, the ECO start/stop
function is not available in all drive programs.
Observe the status display on the driver's dis-
play concerning this.
The engine will be switched off automatically in
the following situations if all vehicle conditions for
an automatic engine stop are met:
You brake the vehicle to a standstill in trans-
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mission position h or i.
Vehicles with a 48 V on-board electrical sys-
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tem: you depress the brake pedal when travel-
ling at a low speed.
If the system has detected one of the following
situations, the engine will not stop:
You stop at a stop sign and there is no vehicle
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in front of you.
The vehicle that stopped in front of you starts
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up again.
You manoeuvre, turn the steering wheel
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sharply or engage reverse gear.
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If the system detects an intelligent stop inhibi-
tor, e.g. a stop sign, the engine will not stop.
If you activate the HOLD function or engage
the park position j, the engine can be
switched off in spite of an intelligent stop
inhibitor.
The engine will restart automatically in the follow-
ing cases:
You engage transmission position h or k.
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You depress the accelerator pedal.
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You open or close the soft top.
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The vehicle requires an automatic engine
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start.
You release the brake pedal.
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Vehicles with a 48 V on-board electrical sys-
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tem:
You release the brake pedal on a downhill
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gradient and the vehicle does not roll.
The vehicle rolls on a downhill gradient and
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does not automatically enter glide mode at
20 km/h.
Displaying the ECO start/stop function on the
driver's display:
The è symbol (green) appears when the
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vehicle is at a standstill: the engine was
switched off by the ECO start/stop function.
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