My 2010 mercedes benz c300 4matic had the the engine light on that morning, I fill up the tank and it wouldn't turn on. We hit the fuel pump and it turn on. We were going to replace the fuel pump. To lower the gas, but now engine light is off and 3/4 of gas now and it haven't fail tu turn on since. We were wondering if could be fuel tank pressure. And in the past had trouble with lean bank 1 and 2. What can I do or check? Please help anyone
villa4180
Fuel tank pressure, lean bank 1&2 fuel pump
Welcome to BW.
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Moving this to the W204.
You've posted in the General Forum.
Please complete your Vehicle Profile by adding 2010 C300 4matic, so it will show next to every future post under your avatar.
Members are not likely to search for the one post if the model of the car is not visible (under your Avatar). It helps members know what you drive so they can dialogue with you and answer any of your queries.
As a new member,
Please take to the time to review, for your benefit:
The forum index is organized / grouped according to Mercedes chassis / platform designation, usually one letter followed by 3 digits / numbers, and the section covers all engine / versions the chassis came with.
Your forum is the W204 chassis forum, where you can post and participate.
To find the forum section on where best to post = chassis for your car, please click FIND YOUR FORUM SECTION
The forum sections archives have a wealth of DIY / technical information.
When researching an issue / before posting, you can also Search the forum archives via the 'Search Community' box on top of this forum.
The stickies on top of the 'Welcome' section will help to navigate the site.
Moving this to the W204.
I'd suggest giving the whole fuel system a once-over. Check the fuel pump, fuel lines, pressure regulator, and injectors. Look for any damage, leaks, or blockages that could be messing with how fuel gets to the engine.
Also, measure the fuel pressure at different spots in the system. Low pressure could be behind those starting problems and those lean conditions.
Also, measure the fuel pressure at different spots in the system. Low pressure could be behind those starting problems and those lean conditions.
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