My C320 will not turn over.
Thread Starter
Newbie
Joined: Jul 2005
Posts: 13
Likes: 0
From: NoHo, CA
2001 C320
My C320 will not turn over.
March 2010, I was headed to the gas station to fill up. My C320 said I had about 14 miles left on the tank. After a mile and half a mile from the station the car ran out of gas. With assistance from AAA, I filled up and was on my way.
About 2 weeks later I was leaving work and my car would not start. It cranked but would not turn over. While trouble shooting the car I replaced the fuel filter and pump relay with no avail. There were no error codes when hooked to an OBD reader either. I finally had the fuel pump replaced and the car ran great, for about a month. Then one morning it would not start. I took the beater-van to work and when I came home the C320 started right up. This sort of behavior has happened 5-6 times since the fuel pump was replaced.
On December 20th, I was leaving work and the MB would not start. The next day it fired right up. This past Tuesday I went to lunch and the car would not start when it was time to go back to the office. I had to get a tow home and as of 5 minutes ago, it still does not start.
Any thoughts? Is the 2001 C320 rear SAM prone to fail?
Also, the driver side lumbar controller stopped working. I do not know when that happened, but I do remember it working a couple months before running out of gas.
About 2 weeks later I was leaving work and my car would not start. It cranked but would not turn over. While trouble shooting the car I replaced the fuel filter and pump relay with no avail. There were no error codes when hooked to an OBD reader either. I finally had the fuel pump replaced and the car ran great, for about a month. Then one morning it would not start. I took the beater-van to work and when I came home the C320 started right up. This sort of behavior has happened 5-6 times since the fuel pump was replaced.
On December 20th, I was leaving work and the MB would not start. The next day it fired right up. This past Tuesday I went to lunch and the car would not start when it was time to go back to the office. I had to get a tow home and as of 5 minutes ago, it still does not start.
Any thoughts? Is the 2001 C320 rear SAM prone to fail?
Also, the driver side lumbar controller stopped working. I do not know when that happened, but I do remember it working a couple months before running out of gas.
MBWorld Fanatic!
Joined: Feb 2009
Posts: 5,054
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From: fort worth, tx
06 C230 SS 6spd
Have you started with the essential trouble shooting like testing the battery, alternator, or starter. Does it try to kick over when the car doesnt want to start or it does make a ticking noise? Have you tried jump starting the car when it doesnt start?
It kind of sounds like a starter issue but not too sure. When a starter starts to go out it'll start the car sometimes and then it won't. But I'd start with the battery and go from there. Glyn will probably chime in and give some helpful advice.
It kind of sounds like a starter issue but not too sure. When a starter starts to go out it'll start the car sometimes and then it won't. But I'd start with the battery and go from there. Glyn will probably chime in and give some helpful advice.
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Joined: Jun 2008
Posts: 19,942
Likes: 192
From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
The rear SAM on 2001 is inclined to fail. The problem sounds as though you have crap in the fuel system from running the tank dry. Check the new fuel pump under the back seat drivers side for US.
I presume the car cranks over but does not start? - please clarify.
I presume the car cranks over but does not start? - please clarify.
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MBWorld Fanatic!
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Failing cps
won't trigger fuel.For 40 bucks take the 15 minutes and at least eliminate it as the most likely suspect.cps usually don't throw codes
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Super Moderator
Joined: Jun 2008
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
If the fuel rail is not being pressurised it's likely pump, or fuel pump relay (position A) in the rear SAM, fuse (No4) or a faulty fuel pressure regulator in your new filter.
Thread Starter
Newbie
Joined: Jul 2005
Posts: 13
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From: NoHo, CA
2001 C320
One of the wires in the 7 pin connector that plugs into rear SAM for the fuel pump is fried.
A friend of a friend (who works on MB) came by with this huge Snap On OBD computer. Plugged it in and he went through many systems looking for something. No error codes were present. With no pressure in the fuel rail, he started trouble shooting the SAM. That's when he found the fried wire. He did a "work around" and the car fired right up. He said he'll pick up the necessary parts and finish the car in a couple days.
A friend of a friend (who works on MB) came by with this huge Snap On OBD computer. Plugged it in and he went through many systems looking for something. No error codes were present. With no pressure in the fuel rail, he started trouble shooting the SAM. That's when he found the fried wire. He did a "work around" and the car fired right up. He said he'll pick up the necessary parts and finish the car in a couple days.
Newbie
Joined: Mar 2011
Posts: 4
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98 c230
*2005 C55* * Same w203 rear SAM*
Billyons, I'm having fuel pump issues as well, no power. No codes, cranks fine. Discovered a 7-pin connector that was "freid" the pin itself was black, and seemed to have melted the adjacent plastic of the female connector. The connector was quite difficult to remove due to the fusion of the female connector's plastic to the SAM's plastic. Going to download some diagrams and find out where it goes off to and what that pin affects.
Billyons, I'm having fuel pump issues as well, no power. No codes, cranks fine. Discovered a 7-pin connector that was "freid" the pin itself was black, and seemed to have melted the adjacent plastic of the female connector. The connector was quite difficult to remove due to the fusion of the female connector's plastic to the SAM's plastic. Going to download some diagrams and find out where it goes off to and what that pin affects.
