I have the same problem on my wife's 2020 GLC300
my 2017 e300 and 2020 s560 don't lose this setting. I'm still researching for an answer.
will see my dealer this week and going to ask the tech. if I get an answer to fix this issue I will post update.
my 2017 e300 and 2020 s560 don't lose this setting. I'm still researching for an answer.
will see my dealer this week and going to ask the tech. if I get an answer to fix this issue I will post update.