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2008 Mercedes c300 sport will crank but not start

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Old Jun 28, 2020 | 08:35 AM
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w204 Mercedes c300
2008 Mercedes c300 sport will crank but not start

I’ve been having this problem for about 2 weeks, I got stuck in the discount tire garage after I got new tires put on the car wouldn’t start, i removed the shifter boot to manually put my car in neutral so I could get out of the garage i tried to start while it was rolling in neutral and it started, drove perfectly fine 30 minutes home and it’s been starting maybe 1/20 times and even started 3 times in a row on some days. I’ve also drove it around for 10 minutes when it started a few days ago and it still runs perfect. I’ve replaced the passenger side fuel pump, fuel pressure sensor, crankshaft position sensor, mass air flow sensor, key fob batteries and my battery and fuses are working properly it just will not start everytime. The car drives with no lights on the cluster or hiccups. It will crank, make a split second of exhaust noise as if it’s started up then cut off immediately. I can’t afford to go to the mechanic but can buy and fix just about anything with the tools I have I just need to know what’s wrong help!!
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