The physical lock unlock buttons work ok from inside.
Mercedes vito sliding door lock problems.
You will need to connect red and green wires door locks perfectly and open door light in dash is not illuminated.
The lock within the door is 2 stage the extra couple of mm at the end when closing makes the difference for it actually locking.
My vito had some central locking problem and fixed.
If so replace the fuse.
The dash switch only do lock but wont unlock the doors.
Be sure to unlock before you close the door again.
Hi all my 2008 vito side rear door has decided it is no longer unlocking consistently with the remote lock unlock.
Red black green and white.
The driver side sliding door and rear door wont lock or unlock by central lock.
Check your fuse box first to determine if a blown fuse is keeping the lock from working.
If just one lock won t open on your mercedes then the problem may rest with broken wiring a bad solenoid or perhaps with a blown fuse.
Lite on the dash switch wont turn on anymore.
When locking the door the indicator wont flash as it should be but do 1 flash when unlocking as normal.
Try all the way i could find from the.
My 2006 merc vito has 4 wires into the rear door locking mechanism.
Push you see it catch push more you see it close a little further.
So sometimes it will not unlock remotely more importantly sometimes it will not lock remotely so i need to manually lock it inside first.
The main problem is that the door does not physically shut fully.
Initially tested by putting wire across terminals and figured out that green and red turned the open door light off in the dash.