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I have intermittent transission malfunction popping up. When I take it to the repair shop, Both European Repair and dealership say they clear the code and cannot recreate issue. I also get random Driver assist warnings that go off. When the weather is cold the lane departure sensor does not work. I have replaced the battery and have had them inspected but cannot Find the source. Does anyone know about this issue?
 

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2020 MB GLA250 4MATIC Avantgarde Edition
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perhaps a TCU reet may solve the issue? is it just a warning or do you notice any actual issues with shifting?

Basic TCU reset can be done DIY. there is a thread on the forum somewhere here
 
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