1972 350SL vs. 450SL - Mercedes-Benz Forum

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post #1 of 16 (permalink) Old 04-28-2006, 08:16 AM Thread Starter
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1972 350SL vs. 450SL

Hello everyone! I recently became the owner of a 1972 Mercedes and am not sure whether it is a 350sl or 450sl. It has 450 sl badges - but the car has been somewhat restored - not sure if they are original. From some research it appears that they did not start making the 450sl until 1973. Does anyone know if this is correct? Also how do I know what liter the motor is? It is definitely a v-8, just not sure whether it is the 3.5 or 4.5 (takes up most of the engine bay). Any help would be greatly appreciated. Also, does anyone know of a carfax type site for vehicles older than 1981?

Thanks in advance!

Danny
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post #2 of 16 (permalink) Old 04-28-2006, 08:32 AM
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In '72 the normal was to have a 4.5 engine on a car that was badged 350sl. It's possible the guy who "restored" it didn't know that and put the 450sl badge on because he thought that was right.

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post #3 of 16 (permalink) Old 04-28-2006, 08:36 AM Thread Starter
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That is what I was thinking. Thanks.
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post #4 of 16 (permalink) Old 04-28-2006, 08:41 AM
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I like how the 1972 SLs had that unique steering wheel with the separate, chrome surrounded horn pads.

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post #5 of 16 (permalink) Old 04-28-2006, 03:20 PM
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Originally Posted by POS
In '72 the normal was to have a 4.5 engine on a car that was badged 350sl. It's possible the guy who "restored" it didn't know that and put the 450sl badge on because he thought that was right.
Lets not get too hasty here. The Euro 350's were just that, 350's. If this is an imported, or otherwise known as Grey Market, it could very well be a 350. The 107 was sent to the US with a 4.5litre engine (low compression) for a variety of reasons all associated with emissions/EPA, and was badged as a 350 (the first production 107 SL was a V8 3.5 engine). Some owners and dealers did replace the 350 badging with 450 badges in keeping with the nomenclature predominant with the series.

Post your VIN, or otherwise visit a site or such to determine accurately. You can call MBUSA classic center with your vin and they can reproduce your datacard for you (was free, may still be). If a US designated import, they can even replicate the monroney sticker for your car...

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post #6 of 16 (permalink) Old 06-11-2006, 10:24 AM
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Cool 350 vs 450

I own a 73 450SL and all the external badging indicates 450. However, the data card that I got from MBZ Classic center says that it was a 350SL build. Built in 7/72 but sold as a 73.

Gary
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post #7 of 16 (permalink) Old 06-11-2006, 01:37 PM
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My family purchased one of the first 350SL's to come stateside in early 1972. The way it was explained to me was this: Mercedes had some problems with the copyright issues with the "450SL" nominclature. By 1973 the issues had been worked out and the designation changed. My family's 350SL most definately had the 4.5 liter V8 and was as quick as a bat out of hell.

Unfortunately, it became Mom's car and she wanted it restored with the 450SL badging. What Mom wants, Mom gets.
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post #8 of 16 (permalink) Old 09-21-2013, 02:41 PM
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A true 350SL has the model designation 107043 (the first 6 digits of the VIN) etc and a 450SL has the designation 107044. The 107043's were not brought to the USA but you'll sometimes find one, as they were grey market. I own a '75 model (same as '72) with the high compression 3.5 litre engine and 4 speed manual transmission. These produced 200 HP; the lower-compression 450SL brought to the USA for smog reasons produced 195 HP. The Euro 350SL is easy to spot by the flat headlights instead of sealed beams. M-B never brought manual trannny 107 SL's to the USA.

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post #9 of 16 (permalink) Old 09-21-2013, 02:44 PM
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I'm thinking in over seven years the issue got resolved by now.

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post #10 of 16 (permalink) Old 09-22-2013, 04:56 PM
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very simple , a 3.5 has yellow injectors , a 4.5 has blue .
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