The_Judge

As I noted in another thread, I bought a gadget from a seller on eBay for $129 plus shipping that did the trick: https://www.ebay.com/itm/253177763173

You simply plug it into the OBD2 socket, wait for a message to display on the computer screen, and then remove it. Voila! No more start/stop unless you want it, no wiring to do, not detectable.

See this thread: https://mbworld.org/forums/e-class-w...t-eco-off.html

grange3

I have the same one in my car for about 6 weeks now and its working very well.
If you are looking for a way of having control over ECO start/stop this is the way to do it.

midcityeng

If any of you find it annoying to have to disable Eco mode every time you get into the vehicle, we make a solution to this issue. It is programmed to shut off Eco mode every time you start the vehicle, but the Eco function can be turned on and resumed at any time. Lots of satisfied customers. Check it out!

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Compatibility

ECO205
C Class sedan 2015-2018
C Class coupe 2016-2018
GLC 2015-2018
E Class 2017-2018

ECO212
C Class sedan 2012-2014
C Class coupe 2012-2015
CLA 2015-2018
CLS 2013-2018
E Class 2012-2016
G Wagon 2014-2018
GLK 2012-2015
GL 2012-2016
GLE 2016-2018
GLS 2016-2018
GLA 2015-2018
ML 2012-2015
Metris 2016-2018
SL 2013-2018
SLK 2012-2016

ECO222
S Class 2014-2018
GT S 2014-2018

ECO221
S Class 2012-2013
CL 2012-2013

ua549

There are several things that must be within a certain range before eco start/stop will actually shut down the engine. One of them is the A/C cannot be running. Living in Florida the car A/C runs 9 or 10 months of the year. Thus I don't have to turn off eco start/stop except during January and early February when I can enjoy some fresh air.

thesach

The_Judge

I did not find that to be the case with my 2018 E400C. ECO shut off the engine regardless of whether the AC was running, as it always is in my car.

400ixl

Aircon can be running, the car will restart if the temperature can't be maintained within the threshold, but that's usually a few minutes or so.

ua549

My A/C is barely able to maintain the 68°F to 70°F temperature settings in city stop and go traffic. The ambient temperatures here have been in the mid 90°F's all summer. The MB shop manager told me that there are 17 items that must be true to enable the ECO start/stop to function. As a test I opened a window about an inch and ECO stopped the engine immediately. Evidently an open window negates the A/C running condition.