WiseSage Posted 4 hours ago Share Posted 4 hours ago Hello, I am experiencing trouble starting my b-class. It turns over with no issues, however it fails to engage the accelerator pedal. No problems have ever shown up on the computer after I had new glow plugs, referb injectors, a dpf filter, sensors, and a starting motor installed. I've taken the car to three different garages and mechanics, and none of them have been able to solve it. The 65-plate vehicle still drives well and has 28000 miles on the odometer. If I don't sell it before I give up Quote Link to comment Share on other sites More sharing options...
TDudette Posted 4 hours ago Share Posted 4 hours ago Does anyone know who has tested for diesel leak off? I was wondering if any of the repair shops had expertise in Mercedes diagnostics using Star or Xentry. Quote Link to comment Share on other sites More sharing options...
Motoman Posted 4 hours ago Share Posted 4 hours ago real-time information — rail pressure and cam/crank lining up.... Quote Link to comment Share on other sites More sharing options...
CyberNinja Posted 4 hours ago Share Posted 4 hours ago The other possible explanation is a leak back, or excessive leak off. Helpful because it often doesn't display any problems until it won't start at all! If even a single injector fails to attain pressure due to severe leakage back, the entire system will not fire. A single recon injector fixed the issue I was having with my 270 5-pot. Quote Link to comment Share on other sites More sharing options...
WiseSage Posted 3 hours ago Author Share Posted 3 hours ago Everyone had a star xentry diagnostic, but I'll have to enquire about the leak off test. Quote Link to comment Share on other sites More sharing options...
WiseSage Posted 3 hours ago Author Share Posted 3 hours ago My mechanic has received your message of gratitude. Quote Link to comment Share on other sites More sharing options...
WiseSage Posted 3 hours ago Author Share Posted 3 hours ago You have my mechanic's gratitude. Quote Link to comment Share on other sites More sharing options...
TDudette Posted 3 hours ago Share Posted 3 hours ago Someone ought to know about this and have verified it! Quote Link to comment Share on other sites More sharing options...
TDudette Posted 3 hours ago Share Posted 3 hours ago ☺️ Quote Link to comment Share on other sites More sharing options...
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