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Q:

Locks on 1997 Mercedes-Benz E420

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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?
(2) Answers
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.
you need a new battery for the keys.