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2012 CLS 550 sedan
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Discussion Starter #1
I bought this 77 450 SL which turned out to be a nice rust bucket parts car. Then I bought this 80 450 with a bad motor.. it’s being changed. I’ve been working on exchanging parts and learning. I took pictures of the door stickers . Once I got home and looked closer and what I saw stopped me in my tracks.
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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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What seems to be the issue with vin tags? My 79 450SL is chassis #53271 which falls between your 77 and 80, or am I missing something?
 

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1998 SL500 CHAMPAGNE WITH MUSHROOM INTERIOR; 2007 ML500, 1976 450SL Project
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besides the fact that there were 22,000+ more SL built between the 77 and the 80 cars, you got different exhaust systems: one is Federal, one is California. you might have 2 different Engine assemblies numbers too, but the engine itself should be the same, 117. I don't think is a big problem, just choose the simpler, easiest option for you. California is usually more complicated, has the emissions requirements ( yeah, since back then) so you might choose to keep it as a Federal
 

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2012 CLS 550 sedan
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Discussion Starter #5 (Edited)
What seems to be the issue with vin tags? My 79 450SL is chassis #53271 which falls between your 77 and 80, or am I missing something?
Look at the brown stickers . The weight capacity
besides the fact that there were 22,000+ more SL built between the 77 and the 80 cars, you got different exhaust systems: one is Federal, one is California. you might have 2 different Engine assemblies numbers too, but the engine itself should be the same, 117. I don't think is a big problem, just choose the simpler, easiest option for you. California is usually more complicated, has the emissions requirements ( yeah, since back then) so you might choose to keep it as a Federal
I can understand certain requirements but 300 lb weight capacity is a big difference.
 

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1998 SL500 CHAMPAGNE WITH MUSHROOM INTERIOR; 2007 ML500, 1976 450SL Project
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why do you worry about that? it is just numbers or like liability limitations. the cars are built the same, it's not like the 77 can haul more than the 80 or has thinner parts or something.
NHTSA defines it like this:
"Vehicle capacity weight" is defined in that standard as the rated cargo and luggage load plus 68 kilograms (150 pounds) times the vehicle's designated seating capacity. Simply stated, a vehicle's load-carrying capacity is its GVWR minus its unloaded weight.
They lower the number so people don't load the cars up with a 2000lbs tank, break it and then claim warranty.
 

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'79 450SL, '04 CLK200 convertible; former A124, W210, A209.
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I wouldn't fret too much about it, it's a roadster - if it was a 7 seater I'd probably be concerned alright :)
 
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