Mercedes-Benz Mercedes-AMG C43 4MATIC Owner's Manual page 15

Notes on the locking differential
After a breaking-in period of 2000 miles
(3000 km) the oil on the locking differential
should be changed in a qualified specialist work‐
shop. This oil change prolongs the service life of
the locking differential.
Operation of the ECO start/stop function
The engine is automatically switched off if the
following conditions are met:
you have selected drive program A.
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you brake the vehicle to a standstill in trans‐
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mission position h or i.
if all vehicle conditions for an automatic
R
engine stop are met.
The engine is restarted automatically if:
you release the brake pedal in transmission
R
position h when the HOLD function is not
active.
you shift from transmission position j.
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you engage transmission position h or k.
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you depress the accelerator pedal.
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you permanently activate manual gearshift‐
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ing.
you pull the left-hand steering wheel paddle
R
shifter.
an automatic engine start is necessary.
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If the engine was switched off by the ECO start/
stop function and you leave the vehicle, a warn‐
ing tone sounds and the engine is not restarted.
The Vehicle Operational Switch the Ignition Off
Before Exiting display message also appears in
the multifunction display. If you do not switch off
the ignition, the ignition is automatically
switched off after one minute.
Driving and parking
AMG Performance exhaust system
Function of the AMG Performance exhaust
system
Changing the position of the exhaust gas flaps
allows you to select the sound characteristics of
the AMG Performance exhaust system:
Closed exhaust gas flaps: comfort character‐
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istic (balanced)
Open exhaust gas flaps: sporty characteristic
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(powerful)
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