Locks on 1997 Mercedes-Benz E420

My doors are not locking automatically; is it because my key remote is losing power? If not, why aren't they locking and where is the lock for them inside the vehicle?

by in Lithonia, GA on May 04, 2010
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2 answers
ANSWER by , August 12, 2011
you need a new battery for the keys.
ANSWER by , April 09, 2011
The manual inside lock pbutton is on the front dash. also check the #6 fuse under the back seat on passenger side next to the battery.