I've started my 601, 603, and girlfriends 602 below 0 last winter. All on 5/40 synthetic. Made an enormous difference, the 602 wouldn't start on 15/40 below 0.

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68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

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