Trans shifting problem

Question by joemurray posted 2 months 2 weeks ago in Mercedes-Benz

2017 Sprinter 6cyl. At about 20-30 mph, it hesitates for a second. Feels like it wants to shift yet won’t. Does not happen at 7000 feet yet happens at 4500 feet and below. I’m in Arizona. Also I noticed it more today and it’s been the warmest all year at 75 deg in Sedona. Yet I’ve noticed it as early as 10K on the odometer in Tucson when it was warmer too. Had the dealer check it out a year ago and they noticed nothing.