Eco Drive not working
Does anyone else have a similar problem? Or I happen to end up with a lemon?


The ECO light, on the face of the speedometer, must be illuminated green before the stop for the system to operate and turn the vehicle off. If not green, it will make no difference how long you idle at stop, it will not turn the engine off.
Another interesting feature is that it will not activate more than four times in a row before being driven normally again. This will happen for instance when waiting in a line that moves forward one car at a time. After four stops, the motor will run continuously until driven normally again.
There is a detailed explanation in the Owner's Manual of the system. Read that before judging whether or not you have "Lemon".


Bi-weekly dash home: 250 miles, 70+ mph. Same A/C requirements.
I don't do stop & go driving if I can avoid it. A car without full time A/C is not an option.
Wayne


When stopped and the engine quits, the A/C continues to blow. If you sit long enough and the temp is high enough, you eventually will feel the temperature start to creep up-wards. Under normal day to day operation it is a lot less obtrusive than I ever thought it would be. There is also a switch on the dash to disable the system if you find it a problem. So far, I have not done that.
1. If it is the AC--sometimes it works with the AC on but most of time it does not work even if I turn the AC off
2. If it is the window shield wiper--sometimes it works perfectly with it on, most of time it does not work even if I turn it off
3. If it is the engine temperature--sometimes the light was on right out of my garage without the engine warm up. Sometimes it does not work even after a long drive of 200 miles.
4. If it is the slope of the road--I live in Seattle, a little bit hilly with some big slopes. But right at the same red light on the same slope, sometimes it works, and sometimes it does not.
After observing these carefully for almost 3 weeks, now I am just getting even more confused about when the Eco Drive is supposed to work or whether it is just the Eco Drive on my car. :-)
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What's more, the double USB charger apparently draws juice when a cable is plugged in, even of the phone is not connected to the other end. ECO didn't want to kick on. Unplugged the cables from the 12v plug unit, and the ECO display turned green.
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On a side note, anyone know how to "save" settings in the 2013 GLK? Most of my settings, like Eco Drive, get reset after the car is restarted. I want to turn it off and have it stay off until I decide to turn it back on.


2. As another poster mentioned, unplug any unnecessary USB cables (even those not connected on the other end to a phone).
3. When I have the heated seats 'on,' ECO almost never illuminates green.
4. I drive with the panorama roof open A LOT; ECO comes-on far less than if the roof is closed.
From what a lead/master MB tech told me, the algorithm used to control ECO start/stop functionality considers engine temp, emissions, electronics, interior comfort, outside air, use of ports, plugs, heated seats, and lots more before kicking-in; overall, it is programmed to err on the side of caution and it resets every time the ignition is turned-off (makes sense).
I do notice that now, with just under 3000 on ODO, the auto stop/start seems to kick-in a lot more. And I tested it with the AC last week; engine was off, cold air blew-in for several minutes (repeatedly) in heavy red light traffic. Pretty cool, literally.
Overall, I LOVE this vehicle, its power, refinement and MPG's!

When stopped and the engine quits, the A/C continues to blow. If you sit long enough and the temp is high enough, you eventually will feel the temperature start to creep up-wards. Under normal day to day operation it is a lot less obtrusive than I ever thought it would be. There is also a switch on the dash to disable the system if you find it a problem. So far, I have not done that.



