2001 C240 - Guide for Fuel Filter Change D.I.Y. - Page 5 - Mercedes-Benz Forum
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post #41 of 46 (permalink) Old 02-14-2014, 06:23 AM
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Also when it finally got me home last night the alarm doesn't work on it don't know if that has anything to do with it because it just started along with the stalling is starting.
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post #42 of 46 (permalink) Old 02-14-2014, 08:19 AM
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Have you checked the battery or charging system? I've seen a bad battery produce many strange problems with cars and engines, and it's a relatively easy thing to check first.
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post #43 of 46 (permalink) Old 02-14-2014, 08:46 AM
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This was the main problem...the alarm not working is fixed it was caused by putting the fuse in the wrong slot when I was checking fuel relay fuse..I have a 2002 C240.. I have never had any major problems with it but for some reason I drove 80 miles yesterday and when I got home there was nothing wrong then about 30 minutes later I went outside and it would turn over but not start then about 15 minutes later it started so I went to drive it to town and it only went about 3 miles and then died again then started about 45 minutes later but with the check engine light on.. Checked all of the fuel pump relay switches in the back they seemed hot..we disconnected the battery and the check engine light went off and car started but after driving for a little bit it died again and took about 30 min to start again.. People are telling me it's either the fuel filter, or the CPS, or worst the fuel pump, I live out in the middle of nowhere 60 miles to the nearest town I'm a single mom and this is my only vehicle any suggestions would be very very appreciated!
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post #44 of 46 (permalink) Old 02-14-2014, 09:14 AM
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The fuel filter isn't very difficult to replace ... if you haven't changed it in recent years that might be the next easiest thing to do.
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post #45 of 46 (permalink) Old 02-14-2014, 09:50 AM
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Okay so far we started it this morning after we unplugged the battery the check engine light went off and fixed the alarm after we put the fuse in the right spot we just got 3 1/2 miles the same distance as yesterday before it died and it just died again and the check engine light is back on..The fuel relay fuse in the trunk is super hot.. Now I'm sure it will do what it did yesterday and start in about 30 to 45 minutes go another 3 1/2 miles and die again I can't even make it to town to have them put it on a machine so I don't know what to go get at the auto store... a new fuel relay fuse or a fuel filter which has never been changed to my knowledge...or a crankshaft position sensor! I am losing my mind here. Please any suggestions
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post #46 of 46 (permalink) Old 01-02-2015, 04:57 PM
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If the fuel relay is getting hot it could be because the fuel pump is having to work extra hard to push the fuel through a dirty and semi clogged fuel filter. That would be my first guess. The other thing I have heard with these cars stalling is usually from the CPS. (crankshaft position sensor) > apparently its a common failure on these cars. Hope you find your problem.
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