S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

1998 S320 door lock issue

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Old Aug 18, 2008 | 11:45 AM
  #1  
dubseller's Avatar
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1998 S320 door lock issue

Hey everyone,

My dad has been complaining about his driver's side door lock getting stuck. Apparently, the remote will unlock all the door locks except for the driver's side lock. The driver's lock will pop up just a little, as if it is getting stuck and you can manually pull it up. Is there an easy solution to this, before going to the dealer?
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Old Aug 21, 2008 | 01:00 PM
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wbrian63's Avatar
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From: Houston, TX
02 S55
I'll bet it's the lock actuator, down inside the door. If you're at all mechanically inclined, it's a 30 minute job max to replace a less than $50 part.

At the dealer, it's likely to be a $200 job.

To verify, with the door locked, listen real carefully when you unlock with the remote for a hissing sound inside the door. That's the sound of air leaking out of the actuator instead of unlocking the door.

I'm assuming you can unlock the door with the key easily (no binding), right?
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Old Aug 21, 2008 | 05:14 PM
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stox's Avatar
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'95 S500C, '96 C36, '86 190E, '72 280SEL
I just ordered a driver's side lock actuator for my '95 S500C today from the stealership. It was only $30.00.
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