Hello @ ALL have become aware of motor-talk.de by google and find it great that here everyone is helped as far as it goes. Now I need your HELP… On 14.03.08 I added a 230k manual circuit Bj.11/1999 with 67000 km. Very well maintained.. In the evening much now the following..In idle mode, at traffic lights, the engine is extremely jerking, it does not run out, but jerks massively. On the following day I made this error and had to make the vehicle for repair on 18.03.08 to the On 20.03.08 I received the car again, according to the workshop manager of Mercedes: The vehicle is in a perfect condition, no error to determine…With this statement I could not give myself and personally presented the vehicle again on 22.03.08 at Mercedes, there it was now from someone else, the engine is jerking and sometimes sporadically takes no gas. Mistakes were confirmed to me, but the Nac Then I was at my lawyer after this back and forth, who had asked the dealer (also a big known dealer) to repair the vehicle until 02.04.08 and to hand it over again, otherwise I would make use of my right of withdrawal. So I had left the car again for repair on 26.03.08 and received today. Statement HEUTE von Mercedes: Improvement, the error is no longer there and was by our r page fixed (acc. to Mercedes )… So my dealer called me and told me the following that car was standing too long and had to be driven in properly, this would probably have been done by an employee from the dealer where I bought the car and the engine would now be flawless, well that he was also in the first 10 km, but now it is jerking again… Even in writing it was confirmed to me.. Could you please tell me where the jerking comes from and that he sometimes does not have any gas. Of course I should give the car back and collect the money, but I LOVE the 230k. In 2002 I had one that was running perfectly… EVERYTHING TO HELP I would like to thank you for your answers.