Geez Doug, that's a big list. Here are some prices on some of your questions:

3) Odometer, $150-200 to repair at a VDO shop

8) Interior Door panels, $200-300 for new skins at a upholstery shop.

9) Door locks are inoperable or intermittent, You may have a vacuum leak.

Hope this helps.

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Eric, 1983 500 SL