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Mercedes 300D Suggestions

2226 messages,  Last post on Sep 26, 2009 at 10:58 AM

You are in the Classic Cars Forum. Your Host is mr_shiftright

What is this discussion about? Mercedes-Benz 300-Class, Engine, Fuel System, Diesel, Coupe, Sedan

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#1 of 2226 My 300D by autojunkyjosh Mar 26, 2002 (2:22 pm)
Hello all I am the owner of a 1983 Mercedes-Benz 300D Non-Turbo. While driving it last year the oil pressure suddenly dropped the temperature shot up and then blap blap blap bammmm! Blew a rod right out of the bottom of the block. I would like to fix it again to drive to college, any suggestions and price info? All suggestions appreciated. Replies to this message: whopner (Apr 19, 2006 1:50 am) ecodiesel (Jul 05, 2006 3:31 pm) Mr_Shiftright (Jul 05, 2006 8:31 pm) lemmer (Jul 06, 2006 9:40 am) and 1 more... dslsimon (Mar 27, 2007 11:04 am)
#2 of 2226 by Mr_Shiftright HOST Mar 26, 2002 (5:55 pm)
Hmmmm.....well, you have a tough problem here in that fixing the engine is worth the price of the car, more or less.   There are a few ways you can go.   1. Used engine --these engines should be good for 250K or more if they are well-maintained. If you can find one that's still running to listen to before the yard yanks it out, all the better. A good Mercedes diesel starts instantly when cold. If it cranks and cranks, the engine is worn or something is wrong.   2. I have seen used engines on Ebay, but of course you don't know when they might come up.   3. You can just find another 300D. You often see very clean ones for $3,500 or less.   good luck   Shiftright the Host   (I have one of these cars myself with 226K on it. I'm surprised yours blew up). Replies to this message: ty300d (May 24, 2006 9:35 pm)
#3 of 2226 Blow up by autojunkyjosh Mar 29, 2002 (10:35 am)
My mechanic told me it was a common mistake with my car the oil filler cap has a gasket inside it and " meine ist kaputt" in friendly words and it literally blew all the oil out of the top while I was driving.
#4 of 2226 I once had that problem ... by haspelbein Mar 29, 2002 (1:34 pm)
...of an oil leak out of the filler hole. (Cap wasn't on properly.) But my question: Didn't you smell that ? In my case, the oil dripped onto the engine block, ran down the side and was "cooked" quiet nicely on the way down. It was a rather smelly affair.
#5 of 2226 Re: I once had that problem by autojunkyjosh Mar 31, 2002 (11:12 pm)
When I heard the terrible noise I got it into a drive and there was a terrible sulfuric smell, like bad eggs. Other than that...Well tomorrow I am looking at a MBZ 190E, I may just buy it instead of fixing the 300.
#6 of 2226 Giving away the 300D ? by haspelbein Apr 01, 2002 (3:55 pm)
That would be a pity. They have a lot of character, and are truly a dying breed these days.
#7 of 2226 by Mr_Shiftright HOST Apr 01, 2002 (8:08 pm)
Yes, but who would put $5,000 in a $3,000 car. Many old 4-doors will die for this reason.   I have been gathering parts for mine for over a year. I have three crates filled with hard to find items--no complete engine though! I'm not planning on replacing that.
#8 of 2226 What happened after the boat accident ? by haspelbein Apr 02, 2002 (8:22 am)
Mr. Shiftright, the last thing I remember about yours was that your neighbors boat hit it during a storm ? Did his insurance end up paying for it ?   I would agree that a $5K engine is a lot of money for a car that old. When faced with such a decision, I'm always trying to consider the overall state of the car (How much longer will the rest of it last ?) and how attached I am to this vehicle. If it will keep me from buying a new one, it may still work out, unless the car gets totaled somehow.   But overall I agree, $5K is probably too much.
#9 of 2226 by Mr_Shiftright HOST Apr 02, 2002 (2:09 pm)
Yep, the boat owner's insurance footed the bill and the car looks great! Damage was $1,980 on the low bid, so that's a perfect example. I doubt seriously that I would have repaired the car out of my own pocket....maybe....$2,000 is right on the fence, I'd almost be tempted to put that money towards something else.
#10 of 2226 300SD by markkkusa Apr 03, 2002 (10:03 am)
I was on this website helping a friend and I stumbled upon this conversation...   I have an 82 300SD (214K) that has difficulty starting in temperatures below 15 to 20 degrees (which unfortunately is common during Iowa winters). Note - when the block heater is used it will always start no problem.   What I'm trying to figure out is if this problem starting in cold temperatures is normal / expected or if there is some sort of fix. One dealer told me there were different glow plug types and that I might try 'hotter' glow plugs.   After reading through the earlier messages, perhaps 'autojunkyjosh' would like to buy my car. It's very clean and he could get the whole car instead of a replacement engine - and have a lot of spare parts.

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