Is a 1982 Mercedes 240D a good car to convert?

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artripin's picture
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Joined: 08/04/2004

I'm thinking about buying an 82 Mercedes 240D, are they reliable cars to use for SVO or biodiesel.

indagrease's picture
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Joined: 06/25/2004

great car

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I love my kind veggie '77 240D.

veggimatic's picture
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Joined: 06/19/2004

YES! ya cant break it! but it is slow around town, on the highway it is a tiger....buy one.

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1983 240D Benz - My Veggimatic -
Most people think I'm a lunatic

4dantheman's picture
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Joined: 04/27/2004

When I got my hands on a copy of "the bible", I decided that the best way for me to go was the waste veggie route. The big problem I had was, I had no diesel. I use to have a diesel Rabbit ('80 variety) long ago. Had some issues with it. Once I put in the '86 Jetta diesel motor in, they vanished. Reckon I'd still be driving it today if the car hadn't have worn out.

Started looking for a diesel & naturally looked at VW since they are the most common diesel cars in this country. However, considering how much $ I wanted to spend, they came in 2 flavors. #1, the car was shot & would not run OR #2, would run but was ready for the bone yard. I'd have to put in alot of $ & time; better to buy one in decent shape. I was unwilling to pay what folks were asking for used ones in decent shape (if I could even find someone willing to part with one) & buying a new one was out of the question.

I started talking to knowledgeable people, mechanics, & they all said that diesel cars sold in this country aren't all that great, except for Mercedes Benz. Yeah, right, like I could afford to buy a Mercedes!! I then talked to some Benz owners to try & learn about them. I came to the realization that what I was looking for was the 240D.

Mercedes are usually classified by their chassis. The 240D 1st came to this country in '73 in the 115 chassis. This set up ran thru '76. The 300D, also in the 115 chassis, appeared in '75 & ran thru '76. In '77, the 115 was replaced by the venerable 123 chassis, which continued till the end of the 240D model which was '83. The 300D came also as a 123 & ran thru '85. The 240D was preceded by the 220D, 200D & the 190D; all of these older Mercedes diesels are good candidates for conversions. The 300D continued in both the 124 & 126 chassis. There also was a 190D in the 201 chassis.

I'm not sure about the older Benz diesels (i.e. prior to the 240D) concerning the choice of transmissions. They all came available with a manual transmission (4-speed; column) but don't know if an automatic was available in them. For the 240D, you had a choice of transmissions. The 300D was strictly automatic UNLESS you found one that someone brought over from the old country (Europe) on the boat. The 201 came in a manual version with a 5-speed, as well as with an automatic.

All of the above, with the exception of the 300D & maybe the 201, came as a 4-cylinder, naturally aspirated diesel. The early 300's came as a 5-cylinder, au natural. However, later versions also had a turbo version as did the 201. The 300 has more power than the 240. The 201, due to it's smaller size (this model is also known as the "baby" Benz), also is more responsive than the 240 & gets over 40 mpg!!

I wanted a plain Jane, 4-cylinder, naturally aspirated diesel, with a manual transmission. Figured the simpler the better; less things to go wrong with. Did I mention that I didn't want to spend alot of $???

I saw an ad in the paper for a '79. Had 121k miles on the clock, was in good shape & they were asking $2k. This car met my above criteria PLUS it had just the right bells & whistles I was looking for; air conditioning & cruise control. I paid the asking price.

I lucked out in that my 240D had the old style HVAC system & not the infamous ACC found on the '80 & newer versions. The cruise was an after-market one, not the infamous factory one.

What a car!! This car is rock solid, safe, comfortable, well built, dependable, efficient, easy to work on & parts are readily available & usually affordable (if you know where to buy 'em). It is roomy, as I have 2 teen-age boys. Unless you get a VW bus, the Jetta & Passat models are not all that roomy & have you ever looked under the hood??? No room to work; everything is shoe-horned in. I get OVER 30 miles to the gallon of fuel. Of course I drive the car like it was designed to be driven. I live in the country & have a long commute; a lot of back-country roads & freeways with little to no traffic & very little stop & go & short trips. Short trips & a lot of st

geodad's picture
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Joined: 06/17/2004

Which bypass filter did you install? Was it Amsoil?

4dantheman's picture
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Joined: 04/27/2004

Yup!!

geodad's picture
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Joined: 06/17/2004

Where did you decide to mount it? Any pics? Are you testing the oil and how long since your last change? Sorry for all the questions, but I'm interested in your experience with this...

4dantheman's picture
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Joined: 04/27/2004

Please see thread on this subject on tech tips page towards the bottom of page 1.

I put the bp in prior to the conversion. Originally, I mounted the old style (BF-90 mount) bp on the right side (looking from the front of the car) of the engine under the hood.

When I got my Greasecar kit & got around to putting it in, I decided to move the bp to the other side of the engine. This freed up much needed space on the right side of the engine to better facilitate the Greasecar install.

Had plenty of room on the other side to mount the bp & also to take my oil sample (I've installed a small petcock valve in order to take an oil sample for analysis) & change the spin-on element when it needs to be changed.

Amsoil no longer offers the old-style BF-90 mount bp kits. Instead, they re-engineered it & raised the price & call it the BMK-11. I have 3 vehicles, all of which were converted to 100% Amsoil products & all have the old BF-90 bp. I've had no issues, altho I did have to get creative in order to put the BF-90 in my '93 Honda Accord (no room under the hood). In all fairness, the new BMK-11 is an improvement over the old BF-90, altho both use the same spin-on cartridge (BE-90).

There may be a lot of folks out there that will tell you that Amsoil products are spendy, including me. That is why I became a dealer so I could get a price break on their fine products. Like my '79 Benz 240D, there is a special feeling I get knowing that I own a product from the company that invented the car. Amsoil invented synthetic oil for automotive applications; they were "the first in synthetics". Amsoil's product line has many industry firsts. I'm not saying that there aren't other fine synthetic oils in the marketplace NOW that may cost less than Amsoil. Since Amsoil invented the breed, no other company has been focused or has done the R&D as long as Amsoil. Also, Amsoil has been approached many times over the years by various "big oil" companies to "sell-out". Each time, the president & founder has told them to take a hike. Personally, I admire & respect someone who places their principles above the almighty dollar.

Amsoil products; they work for me & frankly, my cars are worth it, especially my beloved Benz.