After three weeks in the garage due to the valve failure, we finally got our car back. It was a big job as the mechanics need to open up the engine bay and took it to the Mercedes dealer to pinpoint which valve was stuck and have to order the new parts from them as well. After refitting the engine, they again have to plug in the car to the Mercedes computer software to make sure everything was fine again. The drive was totally different from when we first bought it. We went to Nottingham today as Atie had to hand in her Managing Information and Knowledge assignment...