C220 and THAT fuel gauge problem....Additives question - Mercedes-Benz Forum
 
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#1 (permalink) Old 09-11-2009, 12:43 AM
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C220 and THAT fuel gauge problem....Additives question

Hi All,

I'm a very proud W202 C220 owner, and while the car is wonderful, and enjoying it a lot, it has developed the the fuel gauge problem (Full-Empty-Full in a matter of seconds.)

I brimmed the car, it being the first full tink I could put in in my ownership, and it's just started happening, so wanted to try an additive to see if i can clear it for less £££££'s that the sender swap. Can anyone recommend such an additive? Also has anyone any experience of this working for them?

Anyhow, looking forward to chatting to you guys, and was wondering if you have the occasional meeting in the London SE area?

Rain
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#2 (permalink) Old 09-11-2009, 05:13 AM
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when you filled up the car, did you stop when the pump shut off? or did you pump it a few more times to get some extra gas in there? if so, this is why you gauge isnt working correctly. when the tank is over filled, the gauge is unable to read correctly for some reason. i guess its just a design flaw on mercedes part. my clk430 and my c220 do it. i always stop when the pump stops the first time and that keeps the gauge where its supposed to be. hope this helps.
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#3 (permalink) Old 09-11-2009, 10:05 AM
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Yes, guilty as charged, I went past the first click.

So should it clear itself as the tank empties? I ask as I've done 90 miles on that tank now, and it's a little over 3/4 full, and it's still doing it.
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#4 (permalink) Old 09-11-2009, 10:34 AM
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it should clear its self. just let it get down some, and i guess try to fill it up again to the first click. if it happens again, check back. make sure you use the correct octane fuel and i trust chevron techron fuel additive. ive heard its the same fuel additive as mercedes additive, but i dont know for sure. i use chevron gas so maybe thats why i trust its fuel additive haha.
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#5 (permalink) Old 07-09-2010, 11:12 AM
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hey i have that same problem too.everytime i get gas i always get full tank and go past the 1st click. then i reset the miiles and just go by that..


do you guys know how much miles it can go before its almost empt? so far im at 150 miles. i plan to do at least up to 2oo is that safe?cuz i an out of gas b4 lol
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#6 (permalink) Old 07-09-2010, 12:29 PM
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I have a 95 220 I normally get between 400 to 430 on a full tank. Mixed city & Highway driving.
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#7 (permalink) Old 07-09-2010, 04:18 PM
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Originally Posted by JH Easton View Post
I have a 95 220 I normally get between 400 to 430 on a full tank. Mixed city & Highway driving.
same here i have a 95 c 220

do u also do wat i do? u put the miles back to zero after a full tank? cuz your gas gauge is messed up?
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#8 (permalink) Old 07-12-2010, 08:58 AM
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No, at one time I had a problem but I think that it may of been trying to put more gas in after it clicked off. Now when it stops I just round to the dollar.
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#9 (permalink) Old 09-04-2011, 12:21 PM
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HOW DO YOU GET TO THE SESNOR THAT READS FUEL IN THE GAS TANK AND WHERE IS IT???

So my gas gauge dousnt work in my c220. I have read some threads and I guess there are 2 sensors. I looked under my car to see were the sensors are but I cannot find them. Does anyone know how to get to the sensors so I can pull them out??? Do I have to drop the entire gas tank or just run the gas tank down to low fuel??? Anyone with pics or experience with actually replacing the sensor please let me know.
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#10 (permalink) Old 09-11-2011, 04:29 AM
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Originally Posted by vilemd View Post
So my gas gauge dousnt work in my c220. I have read some threads and I guess there are 2 sensors. I looked under my car to see were the sensors are but I cannot find them. Does anyone know how to get to the sensors so I can pull them out??? Do I have to drop the entire gas tank or just run the gas tank down to low fuel??? Anyone with pics or experience with actually replacing the sensor please let me know.
The fuel sensors are located under the plastic guards near the front of the tanks, the plastic guards have 3 bolts that need to be removed (they're easy to get off) then you'll see the senders
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