Mercedes-Benz SL Roadster 2012 Owner's Manual page 164

Driving
161
tion display. If this is the case, the ECO
start/stop function is not available.
i
If indicator lamp ; is off, the ECO start/
stop function has been deactivated man-
ually or as the result of a malfunction. The
engine will then not be switched off auto-
matically when the vehicle stops.
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