The only trouble I ever had with my 6-cyl. 280se was keeping the mech. injection pump calibrated for different weather, but you are in sw, I was in MA... With age, the IP is unable to adjust itself as well to temp change, used to have to have it re-set for the season. otherwise, a bulletproof car.

Of course, the usual hvac issues on these cars, and rust. that'a about it.

good luck!

JAS

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94 E320
71 350SL