Anyone seen this in their 300E? When the fuel get's below 3/4 it starts jumping around erractically. Anyone know if it is the fuel level sensor? Do I have to drop the tank to but it in? Thanks!
-mark

Likely the sender in the tank getting dirty.

Try some Techron. That helped mine.

Alternative is to replace the sender, which can be done with the tank in place.

CHECK grounding first.

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a2


1978 280 CE silver
1986 560 SL black
1987 300 SDL cream
1994 SL 500 brilliant green
1997 E 300d dessert silver
2005 FORD F250 Superduty Crew cab 4x4

____ADMU____

I don't know if they use the same sender but those symptoms appeared about 6 months before mine failed completely. Swapping out a new one was easy but access is easy on the SL. I ran without it for another 6 months, counting the miles, until it started making noise. Good luck!

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si

The sender was the cause in our 190E - easy to remove after moving aside the carpeting covering the front vertical panel in the trunk. I cleaned the resistance wire carefully with a pencil eraser, clearing all debris before re-installing. Has worked for several years so far since.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7

Steve B- Nice! Mine had fallen apart. THe tube was loose and floating around and the wires inside were dangling.

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si