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#1
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Top Speed Is 25 MPH!
Purchased an 84 300D about two weeks ago. The first time I drove it, I had trouble getting over 40 mph. After about 100 miles, I was cruising at 65 and 70. Three days later, it slowed down again, and I had it towed back home. I just added two quarts of Trans-X, after draining two quarts of tranny fluid. Drove it about 15 miles, which was a chore as, now, I can't get it over about 20 to 25. Could it be something other than the tranny? It seems to shift, and then bogs down. I can floor the accelerator, and it doesn't seem to matter. I switched to neutral, and the engine is definitely reving. Any ideas?
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#2
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i once had somthing similar on my '81 200
however i dont think it could be the same thing, cause mine is a carburated petrol engine and yours is, i presume, a direct-injected diesel? anyway in my case it was a rubber diaphram in the carb. so every time i pressed the throttle, it wasnt actually working, thus max. revs were about 2,000 as opposed to the normal 6,000 .. could it be dirty injectors or something? or.. a wild guess here.. a really, really clogged air filter? :Confused: |
#3
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Start with new fuel filters, make sure the engine is god before going to the tranny.
Jerry |
#4
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Absolutely, check fuel filters first. If this car is new to you its a good idea to swap them out anyway, then keep a spare set in the trunk in case you get a bad batch of diesel. Make sure you replace both the inline filter and the spin on filter. If that doesn't fix it let us know. Also, how much smoke to you get when you floor it? and what color?
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Tjohn 82 300 SD 77 450 SL (gone) |
#5
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Check all of the accelerator linkage from foot (pedal) to IP. Several listers have reported cracked linkage plastic parts and the lack of full travel on the linkage. Fuel filter change out. Algae check at tank outlet line.
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The Golden Rule 1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later) |
#6
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Try checking from the firewall to the injection pump, that broke on me one time. I dont really know what it is called though.
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Current Stable: 1994 S500 v140, 210k miles, white with grey. Former Mercedes in the Stable: 1983 300CD Turbo diesel 515k mi sold (rumor has it, that it has 750k miles on it now) 1984 300CD Turbo Diesel 150 k mi sold 1982 300D Turbo Diesel 225 sold 1987 300D Turbo Diesel 255k mi sold 1988 300 CE AMG Hammer 15k mi sold 1986 "300E" Amg Hammer 88k mi sold (it was really a 200, not even an E (124.020) 1992 500E 156k mi sold etc. |
#7
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Rockin' & Rollin' Again!!
Changed both filters and added a can of Gumout Diesel Injector Cleaner. She's running like a champ now! Will do the 0-60 time trial to confirm turbo boost. Thanks to all of you!
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#8
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Thanks for the update. Good news!
Haasman
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'03 E320 Wagon-Sold '95 E320 Wagon-Went to Ex '93 190E 2.6-Wrecked '91 300E-Went to Ex '65 911 Coupe (#302580) |
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