GL350 ,orange triangle with exclamation, with loss of power.now stop when drivin

What is your question?

My Blue tec gl350 one rear Tyre was change recently. since then i have had yellow triangle flash with loss of power intermittent. I try to release excess 15 psi in air balance of change tyre. which was a lot better , Today I start my truck, dive for about 800 yards and it stop. start again it after 200 yard it stop again. what could this be

What makes this problem better or worse?

Change use rear tyre was at 47 psi but the other rear tyre was 32 psi. deflate it to match

How long has your 2010 Mercedes-Benz GL350 had this problem?

since i change one of my rear tyre last week