She stopped running... help me :(
Thread Starter
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Joined: Feb 2006
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From: Manhattan, Kansas; origanaly from Orlando FL
1987 300E - Modifying
She stopped running... help me :(
Well, i recently did a tune up (cap, rotor, plugs, wires, fuel filter, oil + filter), she started up and ran had been sitting for about a month since i last started her up... what could it be?
Fuel filter? i just changed it during the whole tune up process... bad fuel maybe???
Matt
Fuel filter? i just changed it during the whole tune up process... bad fuel maybe???
Matt
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Joined: Dec 2002
Posts: 882
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From: Sherman Oaks
2004 C240, 2015 GL350 Bluetec
what happens exactly. it cranks but wont fire?
Did you check for spark?
Did you check for fuel?
Once you answer those we can better help you.
If it has no spark, you need to check the condition of the cap/ wires/ rotors/ coil/ etc.
If all those are good, then you may need the EZL module, which is sitting on the fender behind the abs pump. if that goes bad, the car will turn over, but wont fire.
If it simply is not getting fuel, it could be that the fuel pumps arent working.
Did you check for spark?
Did you check for fuel?
Once you answer those we can better help you.
If it has no spark, you need to check the condition of the cap/ wires/ rotors/ coil/ etc.
If all those are good, then you may need the EZL module, which is sitting on the fender behind the abs pump. if that goes bad, the car will turn over, but wont fire.
If it simply is not getting fuel, it could be that the fuel pumps arent working.
Thread Starter
Almost a Member!
Joined: Feb 2006
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From: Manhattan, Kansas; origanaly from Orlando FL
1987 300E - Modifying
Yeah, brand new fuel pumps, replaced both at same time and BOTH went bad... dont know how, replaced about an hour after i posted, runs like a bute again.
Thanks
Matt
Thanks
Matt
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Joined: Jul 2005
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From: Denver,CO USA
"88 300CE- First Year Production
Mine cranks and won't start now either, fed it some fuel directly into the intake and it started up fine until that fuel was used up and it kept dying again and again seconds later, like there is a clog in the fuel system somewhere. Whats up with that?
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From: Denver,CO USA
"88 300CE- First Year Production
I keep the doors locked, I drive it most of the time, and just filled it up the day before, down to a quarter tank. and yeah I filled it with 91 octane (thats premium here at my altitude). Whats the symtoms of an EZL going out as I remember hearing Alon had to replace his recently?
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Joined: Dec 2002
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From: Sherman Oaks
2004 C240, 2015 GL350 Bluetec
EZL works in regards to spark as far as I know it is the ignintion control module. my car was getting fuel but no spark. sounds to me like you may need something in regards to the fuel system. fuel pumps or fuel pump relay perhaps...
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Joined: Apr 2005
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From: Goldsboro, NC for now
1993 300e
check the ovp(??) behind the battery. i had similar problem all the spark in the world just no fuel. replaced fuel filter (still had originall at 10600 miles 
) but stll did not fix. talked to mb dealer and he told me to try the over voltage something or other. he replaced it for $130 and it has run like a top since. in hind sight i should have done this my self as the part was only about $70, and just sits behind the battery(you have to remove your battery to get to it) probally about 30 min to replace if your are taking your sweet time.
) but stll did not fix. talked to mb dealer and he told me to try the over voltage something or other. he replaced it for $130 and it has run like a top since. in hind sight i should have done this my self as the part was only about $70, and just sits behind the battery(you have to remove your battery to get to it) probally about 30 min to replace if your are taking your sweet time.
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Joined: Apr 2005
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From: Northern Cali
W124
Originally Posted by hartj
check the ovp(??) behind the battery. i had similar problem all the spark in the world just no fuel. replaced fuel filter (still had originall at 10600 miles ) but stll did not fix. talked to mb dealer and he told me to try the over voltage something or other. he replaced it for $130 and it has run like a top since. in hind sight i should have done this my self as the part was only about $70, and just sits behind the battery(you have to remove your battery to get to it) probally about 30 min to replace if your are taking your sweet time.
) but stll did not fix. talked to mb dealer and he told me to try the over voltage something or other. he replaced it for $130 and it has run like a top since. in hind sight i should have done this my self as the part was only about $70, and just sits behind the battery(you have to remove your battery to get to it) probally about 30 min to replace if your are taking your sweet time.
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Joined: Jul 2005
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From: Denver,CO USA
"88 300CE- First Year Production
And I don't have a w124 bible yet, so can somebody please direct me on how to get to the fuel filter, have no idea where it is. I'm a diesel mechanic and work on turbocharged mercedes (freightliners) everyday and easily get lost when I turn back to gasoline cars.
Super Member
Joined: Jul 2005
Posts: 831
Likes: 1
From: Denver,CO USA
"88 300CE- First Year Production
next approach will be the fuel filter then fuel pump relay. Now my tank is above 3/4 full, will the fuel run out like crazy and gas will be everywhere or what? weird but its starting to sound like I'll be working directly under the gas tank.
