Thread: MB lock lube
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Old 12-12-2003, 03:05 PM
Ken300D Ken300D is offline
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
There is a NAPA product based on graphite power that works very well. It really is a powder in a plastic tube. You hold the lock cover open with the key or a paper clip and blow some of this powder in.

This way you aren't putting an oily key back in your pocket when finished driving.

1982 300D at 351K miles
1984 300SD at 217K miles
1987 300D at 370K miles
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