W210 trunk lock actuator
 

Is there a rebuild kit or a replacement part for the trunk lock actuator on the '00 E320? I'm in the trunk to replace the bumper cover and paint the rear end and while in there figured I could fix the SLOW to release actuator. However, there is no listing of this part either here (Pelican parts) or on Ecklers site.

I know this is the last year Mercedes used vacuum to unlock, but surely there is a way to replace a faulty part, or at least rebuild it.

Any help would be appreciated.