false neutral

I have a C43 AMG and my dad was driving it the other day. He briefly put his foot to the floor to drop a gear, and let off very quickly. The car appeared to slip out of gear and made a clunk, and only revved when he tried to accelerate. He pulled over to the hard shoulder, put it into park and...

I had a strange one-off incident yesterday in my W211 E55, I was travelling around a left hand 90 deg bend at speed (on a private road - literally) front & rear of car moving a bit & ESP light on, then I backed off a little, then back on the throttle & the car behaved like it was in neutral. It...