ECO start/stop shifts car into neutral upon restart

I had the battery replaced at my last service in my 2015 GLA250. I have had several issues at stop lights where the ECO system turns off the car and the car restarts but the dashboard goes black and then red text appears saying to not shift the car into neutral while driving. I have to put the car into park, turn off the car with the key, and restart it. Is this likely an auxillary battery issue? Something worse? Bad battery install?

My 2016 is doing the same, similar situation replaced battery. Any help is appreciated

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I don't know if this applies to your car, but most modern cars require that the new battery is installed on the cars obd computer. If this wasn't done it can cause the stop/start system to malfunction or not work at all. Cars with stop/start systems require a special type of battery. This poses a couple of questions. 1. Was your car serviced by a MB dealer or your local garage ?. 2) Have they fitted the correct battery and installed it onto the cars management computer ?. Assuming that your car did not have this problem before the battery replacement, the first thing you need to do is go back to where it was serviced and explain the problem and ask them to remedy it. If they refuse then your next port of call is to report this, "Potentially dangerous problem", to Trading Standards

Same issue here. I had some body work done by a Mercedes recommended body shop and they ended up changing out my battery. I ended up with the same problem. If I try to accelerate as the ECO mode shuts the engine down, my entire vehicle shuts down and I get the red message on my dashboard telling me to bring it in to the dealership for repairs. If I turn the car off then back on, it will resume working as normal.

Did you remedy the problem or are you still experiencing it?

Hey all, having the same issue.
I have 2016 GLA

on full stop, it starts automatically but transmisaion goes neutral and screens go black.

anyone managed to find out the reason/solution?

It's the battery under the glove box. Replace it with a fresh battery. There are two sizes. I had to use the larger amperage battery. If you don't know which one to use, just go with the larger amp battery. Expect about a 5 year lifespan.

For my 2017 GLA250, this is battery number: 000-982-96-08

Interesting, I replaced the battery 3 months ago with an original Varta one.

ah you mean the auxiliary battery, yeah?

Auxiliary battery. It controls the ECO start.

We have a similar problem in my wife's 2016 GLA where the eco system will stop the engine at lights etc. but the screen goes blank when it should restart the engine and she has to restart the engine with the push start. We've had the battery replaced at least twice by Mercedes when the eco system simply wouldn't work and that resolves that issue for a few months. But the symptoms now are worse. If it was simply a bad battery, the eco system wouldn't turn off the engine. The eco system is turning off the engine but it won't restart when it should and her screens go blank. This is something in the electronics of the eco system. The car drives perfectly well if we turn off the eco system when the car is started. Any suggestions would be greatly appreciated. Otherwise, we'll be back to Mercedes.