Found: 2 w109 300sel 6.3 's - Mercedes-Benz Forum

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post #1 of 14 (permalink) Old 03-26-2010, 08:58 AM Thread Starter
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Found: 2 w109 300sel 6.3 's

I have the option to purchace a 70' 300sel 6.3 that has 108,000 on it with no visible rust. There is also a 72 300sel 6.3 with 80k that is a rust bucket. Presumably a good parts car as it was the last to run. Neither have a front bumper, but there is a w108 next to it that has a bumper (assuming they are the same.

I'm not sure if the 70' runs, it needs new front seat coverings, and the heater controls fell apart in my hand.

My questions are,

What are they worth.
What should I look for before I commit to get the better one running.
How expensive are they to maintain
What are common issues with these vehicles.
Are parts available? Flex disks, airbags, ect.ect.

Any other info would help. I'm brand new to MB gassers, though I have fixed up a few 70'd diesels w114/5 w116 and the like.

Thanks Guys, you have been a great help thus far.
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post #2 of 14 (permalink) Old 03-26-2010, 09:54 AM
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Well, the bad news is that next to the Grosser 600, the 300SEL 6.3 is arguably THE most expensive MB model to refurbish.

The good news is that parts availability is very good, so you can get just about anything for a price.

The most common issue is the air suspension, I would imagine it's shot on both vehicles in question. You're looking at some thousands right there.

Truth be told, other than as parts cars, I'd pass on both of them.

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post #3 of 14 (permalink) Old 03-26-2010, 11:44 AM
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What the odometer says is meaningless unless the miles are documented and that does not sound like the case. Cars that have been sitting around are likely to be missing crucial parts that may not be noticed on a casual inspection. I would consider them both parts cars as already mentioned.

280SE 3.5 Coupe
Stick shift
3.27 Axle
5.6 Iron block build in progress

Last edited by 3.5 Tony; 03-26-2010 at 11:45 AM. Reason: typo
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post #4 of 14 (permalink) Old 03-27-2010, 05:55 AM
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i would make a LOW offer, like $300 for both cars...

then shut up and see what they have to say - you MIGHT just "steal" them...
anything less than $600 or 700 for both is a steal...
see if you can get the good car running quickly and inexpensively...
what's its history - last ran when? ran good? ran bad? daily driver? sat a LONG time?
RECIEPTS for brakes? trans? engine? a/c? history is a GOOD thing...
how is the quality of the originality of the "good" car???
paint, interior, chrome, stainless, glass, engine & accessories in good order???
i LOVE 'patina's" original cars, and many enthusiasts do as well...
IF you can get her on the road inexpensively, you will have a GREAT find...
i would sell the rusted car for "SCRAP" at the local junkyard AFTER removing ALL valuable parts that you can sell on ebay, or retain for repairs to your "good" car "down the road"...
you should get ABOUT $200 - 300 for just the hulk of the bad car after you strip it down of parts desired...
scrap yards here are paying $165 per TON, you have a solid 2.5 tons of chassis, body, motor, etc there with that junk car ($300???)...
plus, think of ALL THE FUN and bloody knuckles and sore backs you'll be having the next few weeks!!!

ps: i MIGHT be interested in buying these cars if you "pass" on their purchase --- please take GOOD digital pics (OF EVERYTHING - inside/outside/underneath) next time you look them over and send them to me PLEASE...


Last edited by 280cesuncoupe; 03-27-2010 at 05:58 AM.
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post #5 of 14 (permalink) Old 03-27-2010, 09:09 AM
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As was said before, the air suspension on these 6.3's will probably be a nightmare. HUGE parts bills probably await before you can even move them out of a parking lot or shop...

If you already know this, you probably don;t need anybody to tell you what they're worth

1978 Mog 416.141 DoKa
1971 W113 280SL
..the road to nowhere. . .leads to me.
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post #6 of 14 (permalink) Old 03-28-2010, 10:48 AM
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I've often wondered how difficult it would be to replace the old air suspension system with something modern... I'm sure there's some aftermarket system one could use, yes?
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post #7 of 14 (permalink) Old 03-28-2010, 10:59 AM
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Vehicle: 1965 220se w111 *******1984 300sd w126 *******1991 350sd w126
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With neither running, def. both for under 1G, then at least you could part them out and break even if you change your mind on a resto. Later.

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post #8 of 14 (permalink) Old 03-30-2010, 06:19 PM
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Due to the condition of the car it sounds like they or at least one would need everything. Review the car make a list of everything you need for the car and add that up and look at the number and base that number on the offering price. Just by the fact that rust is even mentioned, throw in bodywork, and paint and you could easily reach 5 figures if you make it run properly and somewhat presentable. Lowball them, you never know.

1977 - W116 - 6.9
1974 - W115 - 240D /8 - 4(M) OM617.910 + Turbo + 300D FW - Completed 7/8/10
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post #9 of 14 (permalink) Old 04-01-2010, 05:45 PM
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A 6.3 is always worth as minimum of $5000 if complete. The fuel injection pumps cost $48,000 for a new one (I have never heard of anyone buying one...) the trans bands are no longer available anywhere and the diff is a LSD specific to the 6.3. The steering box is a high ratio unit too, So There alone is your five grand value.
Next,the body. 300SELs have special doors with chrome trim. No other/8 has these and good second hand doors are worth $300 each.
They are always worth saving . Check out this rebuild for a typical resto on a 6.3 .
They will never fetch the sort of money that a Camaro et al get at Mecom or other Auction houses,but then the buyers of that type of car have never driven a 6.3 either. If they had they would realize that their muscle cars are in fact all hype and no action.
This makes a 6.3 or 6.9 a true performance car bargain.
The air suspension is simple. It requires patience and care when fitting valves and bags .Modern air ride systems are shite compared with the mercedes system which works brilliantly giving a soft yet very capable ride and high speeds. Installing steel springs is a vast step backwards.
The engines are bullet proof,mine has over 300,000 miles on it and has never been apart. It never uses oil and will clean most modern cars with ridiculous ease.
if you buy them,don't part them but either research your cars properly ( or store them until you find a buyer who is willing to do something useful with them.
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post #10 of 14 (permalink) Old 04-01-2010, 06:39 PM
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Mercmad I read the thread on the M-100 forum that you mentioned and that has got to be one of the most thorough restorations I've seen. That is going to be an amazing Benz when done. You have very valid points also which are well taken. What is the approx. resto cost on that? Later.

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