It's authentic. 40°F actually feels quite warm when you've had enough teens to sub-zero weather to get acclimated.

Picture was entirely her idea; I was actually barefoot (boots were downstairs, this was taken on the roof outside our upstairs bedroom) for the maybe 5 minutes we were outside.

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1961 220b: first project car - sold.
2000 CLK 430: first modern Benz - sold.
2001 CLK 55: OMG the torque!!! - sold
1972 280SE 4.5: Baby Gustav
1991 300TE 4Matic: Gretel the Snow Bunny - sold
1978 300SD: Katz the Free Man - given away
1980 Redhead: Darling Wife