Quote Originally Posted by PSRB View Post
Engine management lights can really do one!! Mine goes off every month, garage resets it and says nothing wrong with it.
My a class used to drive me crazy. it would randomly not start all the lights would come on. you'd have to get out lock the car and reopen it and then it might work sometimes it would take 30 seconds some times 30 minutes. Called Mercedes so many times and took it for a diagnositc couldn't find anything wrong with it. it used to happen at the most annoying times like if you stopped at services on your way somewhere. then it wouldn't do it for months. Was part of the reason I got rid of it as wasn't willing to spend any more money on trying to diagnose it, I miss a lot of the tech in it though.