He suggested to use WD40 to clean and lube if you do not take the lock mechanism out of the door. I did that and then used a silicone paste and forced it into the latch in the door.

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)