Mercedes-Benz AMG GT Operator's Manual page 175

172 Driving and parking
Always secure the engine against unin-
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tentional starting before carrying out
maintenance or repair work.
Requirements:
Park position j is selected.
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The anti-theft alarm system is not activated.
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The hazard warning light system is switched
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off.
The bonnet is closed.
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The doors are closed and locked.
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The windows and sliding sunroof are closed.
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Start the vehicle using the smartphone.
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After every engine start, the engine runs for
ten minutes.
You can carry out a maximum of two consecutive
starting attempts. You must start the engine with
the key before trying to start the vehicle again
with the smartphone.
You can switch off the vehicle at any time as fol-
lows:
Via the Smartphone App
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By pressing the Ü or ß button on the
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key
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Further information can be found in the
smartphone app.
Securing the vehicle against starting before carry-
ing out maintenance or repair work:
Switch on the hazard warning light system.
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or
Unlock the doors.
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or
Open a side window or the sliding sunroof.
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Running-in notes
To preserve the engine during the first 1500 km:
drive at varying road speeds and engine
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speeds.
No faster than 140 km/h.
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allow the engine to reach a maximum engine
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speed of 4500 rpm only briefly.
drive the vehicle in drive program A.
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Shift to the next higher gear at the very latest
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when the needle reaches the last third before
the red area in the rev counter.
Do not shift down manually in order to brake.
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Avoid overstraining the vehicle, e.g. driving at
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full throttle.
Do not depress the accelerator pedal past the
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pressure point (kickdown).
only increase the engine speed gradually and
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accelerate the vehicle to full speed after
1500 km.
This also applies when the engine or parts of the
drivetrain have been replaced.
Please also observe the following running-in
notes:
In certain handling and driving safety systems,
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the sensors adjust automatically while a cer-
tain distance is being driven after the vehicle
has been delivered or after repairs. Full sys-
tem effectiveness is only reached when this
teaching-in process has concluded.
Brake pads, brake disks and tyres that are
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either new or have been replaced only achieve