Quote:
Originally Posted by greazzer
No & Yes.
This pump was located in the spare tire well (original donor). It could be the "same" pump as you reference since I don't know if other MBs shared this electric pump.
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I believe the pump in question is actually a pressure and vacuum pump that is for the locks only (doors, fuel door, trunk). These are on 124's, 201's and late 126's (probably others as well). The engine vac pump (or manifold on a gasser) supplies the vac for the brakes, climate control, and other vac needs under the hood.
EDIT: If you are planning to use this pump on a 123, you may have to change the vac pods in the locks. The pump only has one hose to each pod providing vac to lock, pressure to unlock. Each lock has a switch directing power to change the pump from pressure to vacuum.