Locks on my 76 450SEL do not work; I just need to find the leak point and fix it tho' --- I don't think it is a major problem. My 89 420SEL locks work perfectly, as do the electric ones on my 99ML. The Corvette is set to lock and unlock when the electronic remote is near the car -- no problem with that system!

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Ben Harrison Carter
1999 Mercedes ML320 87K
1992 Mercedes 300CE 89K
1995 Corvette 29K -- Sold Dec 09
1989 Mercedes 420SEL 99K -- (Sold 4/08)
1968 Mercedes 230S (106K) (Sold 9/06))
1976 Mercedes 450SEL 130K (Just sold - 06)
1961 Mercedes 220Sb (sold years ago)