User Manual - Page 130

For CLA.

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Deactivating or activating the ECO
start/stop function
X
To deactivate: press ECO button :.
Indicator lamp ; goes out.
X
To activate: press ECO button :.
Indicator lamp ; lights up.
If indicator lamp ; is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi-
cle stops.
AMG Performance exhaust system
(Mercedes-AMG vehicles)
You can choose between different AMG Per-
formance exhaust system volumes using the
position of the exhaust flap.
Each time you start the engine with the Smart-
Key or the Start/Stop button, the quietest set-
ting is activated.
Setting the volume:
X
Press button :.
If you select the loudest setting, indicator
lamp ; lights up.
Problems with the engine
Problem
Possible causes/consequences and MM Solutions
The engine does not
start.
The HOLD function or Active Distance Assist DISTRONIC is activated.
X
Deactivate the HOLD function (Y page 159) or Active Distance
Assist DISTRONIC (Y page 156).
X
Try to start the engine again.
The engine does not
start. The starter motor
can be heard.
R
There is a malfunction in the engine electronics.
R
There is a malfunction in the fuel supply.
Before attempting to start the engine again:
X
Turn the SmartKey back to position g in the ignition lock.
or
X
Press the Start/Stop button repeatedly until all indicator lamps in
the instrument cluster go out.
X
Try to start the engine again. Avoid excessively long and frequent
attempts to start the engine as these will drain the battery.
If the engine does not start after several attempts:
X
Consult a qualified specialist workshop.
128
Driving
Driving and parking
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