Very odd! - Mercedes GLA Forums
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post #1 of 2 (permalink) Old 03-14-2019, 03:57 AM Thread Starter
Junior Member
Join Date: Jul 2016
Posts: 3
Exclamation Very odd!

I had my GLA 250 4matic serviced just over a month ago. Since then when I move off, and at other times during a journey, I hear brief engine revving noises COMING THROUGH THE SPEAKERS! Also my reversing beeper volume is reduced and sounds a bit strangled.

I have tried in vain to speak to a Mercedes technical expert for answers. Has anyone else experienced this?

I have tracked this weird behaviour down to the Mercedes Me Adaptor that was fitted at the same time! When I unplug it the noises etc. stop!

Last edited by Polyvista; 03-14-2019 at 04:06 AM.
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post #2 of 2 (permalink) Old 03-15-2019, 07:31 AM
Junior Member
Join Date: Sep 2018
Location: Wolverhampton
Posts: 9
I think its the Mercedes me app on your phone is making the engine noises, if you have Bluetooth audio turned on, then it will come through the speakers.

I threw my adaptor away months ago as it is completely useless, it give absolutely zero useful information and the connectivity problems just made if frustrating.

Don't get me wrong, I love my GLA220 4MATIC, but I hate the adaptor.
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