Mercedes-Benz CLS Operator's Manual page 164

Vehicles with a 48 V on-board electrical sys-
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tem:
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 on the instru-
ment 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.
The ç symbol (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 è symbol nor the ç symbol
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appears when the vehicle is at a standstill: an
intelligent stop inhibitor, e.g. a stop sign, has
been detected.
The s symbol appears: the ECO start/stop
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function is deactivated or there is a malfunc-
tion.
If the engine was switched off by the ECO start/
stop function and you leave the vehicle, a warning
tone will sound and the engine will not be restar-
ted. In addition, the following display message will
appear on the instrument display:
Vehicle is operational Switch off ignition before
exiting
If you do not switch off the vehicle, it will automat-
ically be switched off after three minutes.
Driving and parking 161
▌Deactivating or activating the ECO start/stop
function
Press button 1.
#
If indicator lamp 2 lights up, the ECO start/
stop function is activated.
%
Depending on the model and the vehicle
equipment, the button may also be located at
a different position in the centre console.