I would send the SDL out to the Mercedes Classic Center in CA, I would leave a blank check in the glove box and tell them to make it like new.

I wonder how much they would charge for a proper resto? $100k-$150k I'd guess.

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2006 CL500
2009 C300 4matic
1969 280SE
2023 Ram 1500
2007 Tiara 3200