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1999 (W140) S500 Driver door does not unlock

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1999 (W140) S500 Driver door does not unlock

Old 01-10-2019, 11:48 PM
  #1  
k7k
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s500
Angry 1999 (W140) S500 Driver door does not unlock

This happened earlier today. I parked the (1999 S500 W140) car at the Dr, office. When I came back to unlock the car (with my remote), I see the parking lights flashing which is normal behavior); however, the driver side door does not unlock. I thought there may be an issue with the batteries in the remote. Tried to open the doors by inserting the key into the key-hole. I see a small movement on the latch (ie., it does not come up fully to unlock the door)..

Finally, has to call AAA to come and unlock the door, so that I could get home. However, I have to leave the doors unlocked (as I am not able to unlock the car, once it is locked)

Can you folks please let me know how I can fix the mechanical lock to work? Once I figure this out, hopefully the remote will work too.

I live in Maryland/Washington DC area. If you are aware of any good mechanics I can take the car, please let me know as well.

My cell # is 2026578770.. Thanks very much
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Old 01-11-2019, 07:47 PM
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1999 E300TD
Very simple and time consuming----go to any dealer for the part number then remove the door panel and replace the part-----for a rookie, plan a weekend!
PS there are thousands of youtube crap on the internet.
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Old 01-11-2019, 08:54 PM
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Thanks a lot Plutoe.. What would be the part name that I need to order? Would you know please?
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Old 01-12-2019, 01:15 PM
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To identify the part correctly----post your VIN
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Old 01-12-2019, 05:59 PM
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The vin # is WDBGA51g3XA426966.

As I mentioned, if I insert the key into the key-hole, I am able to lock this (ie the latch on the door goes down completely). However, when I try to unlock, the latch goes up partially and the door is still locked. I am thinking that some spring action is out of whack!

I also noticed that the keys ( for other door locks and the trunk) no longer work either.. I am unable to lock or unlock the rest of the doors or release the trunk using these keys on the front panel.
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Old 01-12-2019, 09:22 PM
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Based upon the additional information you just supplied, I know believe the issue is with the locking system and not the drivers side locking mechanism part 140 720 45 35---I'd see a guy who is familiar with the older MB's.
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Old 01-14-2019, 11:54 AM
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'97 S500 Coupe, '03 CLK430 CAB, '05 E320 4Matic Wagon, 2000 RX 300, 90 Honda Accord Cpe EX
Here is a link to find independent Mercedes mechanics
https://www.benzshops.com/?gclid=EAI...SAAEgLdR_D_BwE
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