Mercedes-Benz S-Class 2020 Owner's Manual page 210

more direct steering resulting in improved
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handling of the vehicle
Observe the notes on snow chains
( page 394) and on activating snow chain
/
mode.
ECO start/stop function
Operation of the ECO start/stop function
%
The ECO start/stop function is not available
in all drive programs, depending on the
engine. Observe the status display in the
driver display for this.
The engine is 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
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system: You depress the brake pedal when
travelling 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 vehi‐
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cle in front of you.
The vehicle that stopped in front of you
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starts up again.
You manoeuvre, turn the steering wheel
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sharply or engage reverse gear.
% If the system detects an intelligent stop
inhibitor, for example, 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 is restarted automatically if:
You engage transmission position h or k.
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You depress the accelerator pedal.
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An automatic engine start is required by the
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vehicle.
You release the brake pedal.
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Driving and parking 207
Vehicles with a 48 V on-board electrical
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system:
You release the brake pedal on a downhill
-
gradient and the vehicle does not roll.
The vehicle rolls on a downhill gradient
-
and does not automatically enter glide
mode at 20 km/h.
ECO start/stop function symbols in the driver
display:
The symbol è (green) appears when the
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vehicle is at a standstill: the engine was
switched off by the ECO start/stop function.
The symbol ç (yellow) appears when the
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vehicle is at a standstill: not all vehicle condi‐
tions for an engine stop have been met.
Neither the symbol è nor ç appears
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when the vehicle is at a standstill: an intelli‐
gent stop inhibitor was detected, for exam‐
ple, a stop sign.
The symbol s appears: the ECO start/
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stop function is deactivated or there is a mal‐
function.