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1999 S320 SWB
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9 Posts
Discussion Starter #1
I am in need of the wiring diagram for the central locking vacuum pump for the S320 1999. The last owner tried to fix the pump and did not reconnect the pump wires. Any help would be great.

Thank you
 

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1982 MB 380SE 1999 S500
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293 Posts
All the pump wires go to a connector that mounts to the pump. Are the wires out of the connector?
I have a layout of the wires to the pump on a 99 S500. Give me your pump part number and I will see if it matches mine. I don,t know if different year models have the same wire colors.
 

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99 s320 member since 2009 fastest time 14.6 1/4 mile nitrous.
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386 Posts
I tried using a diagram,and it burnt my pump out.I give up and will one day buy electric locks
 

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93 SL500, 95 SL320, 96 S320, 98 S500, 2002 E320 4Matic Wagon & A little 91 5.0 FORD Mustang
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7,949 Posts
I am in need of the wiring diagram for the central locking vacuum pump for the S320 1999. The last owner tried to fix the pump and did not reconnect the pump wires. Any help would be great.

Thank you
Stephen,

I posted this information a few years back for all the pumps...

http://www.benzworld.org/forums/w140-s-class/1924785-someone-please-help-me-stupid-pump.html

Post 35

http://www.benzworld.org/forums/w140-s-class/1924785-someone-please-help-me-stupid-pump.html#post8002442

Martin
 

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1999 S320 SWB
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9 Posts
Discussion Starter #7
Pump wires

All the pump wires go to a connector that mounts to the pump. Are the wires out of the connector?
I have a layout of the wires to the pump on a 99 S500. Give me your pump part number and I will see if it matches mine. I don,t know if different year models have the same wire colors.
The guy I bought the car from tried to fix the door lock system and I don't trust they got everything back where it should go.

0 132 006 355 20160408_181015.jpg

20160408_145727.jpg

20160406_120225 (2).jpg
 

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1999 S320 SWB
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9 Posts
Discussion Starter #10

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89 merceds 190 E 2.6 95 S320W
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26 Posts
Here are the wiring diagrams of the connector. A37 on the pump
my front left door won't lock unless i close it first then reach over . i was told its a vacuum line. and after seeing the digram and seeing "front left door" how do i compare the diagram to under the hood?
 

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99 s320 member since 2009 fastest time 14.6 1/4 mile nitrous.
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386 Posts
ebay.uk had electric lock setup for our cars.i will order one for mine.But you still have to slam trunk,I'v done that 6 years now.
 
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