Someone will talk about the evil servo. i have seen some 75 cars with the dreaded automatic climate control with the evil servo, and some with the plder manual system.

How can you tell?

Does it have a big square control with several buttons stacked in a vertical row? This with a wheel to the left is the automatic.

The maual has one large twist know with levers on both sides. This is the setup to hope for.

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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12
1982 380SL
1978 450 SEL 6.9 euro restoration at 63% and climbing
1987 300 D
2005 CDI European Delivery
2006 CDI Handed down to daughter
2007 GL CDI. Wifes