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Merceses Benz 4matic

Tiny
BKNOWLER
  • MEMBER
  • CHEVROLET IMPALA
I have a 1992 MB 300TE with 4matic. The 4matic yellow light does not go out, so I assume the 4matic is not working. I have had the module tested, it is OK. The transfer case is OK, as is everything else we've checked. Any ideas or suggestions?
Tuesday, January 3rd, 2006 AT 9:17 AM

4 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
You are going to need to scan it for trouble codes and go from there.[/Url]
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Wednesday, January 4th, 2006 AT 10:47 AM
Tiny
LOUZBENZ904X4
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I HAVE AN OWNERS MANUAL AND IT INFORMS ME OF A TEST LEVER THAT DE ACTIVATES THE 4 MATIC I PULL IT THE LIGHT COMES ON, AND IT DISABLES THE TRANSFER CASE, ALSO SELF LEVELLING FUCTION, ALSO HAD A LIGHT COME ON AFTER REPLACIONG O V P RELAY ( OVER VOLTAGE )
HAD TO REMOVE 4 MATIC CPU when they put it back I guess the connection was not quite correct I removed and replacxe re/re 4 amtic cpu and light went off hope it helps if your still interested
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Thursday, December 14th, 2006 AT 7:17 PM
Tiny
LOUZBENZ904X4
  • MEMBER
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I have just replaecd all hydraulic oil and transfer case fluids, I realize that if there is any air in the system it may be trapped, mine stayed on and I bled the system at the test valve and now light is back out, and alll is good, hope any info helps
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Saturday, December 16th, 2006 AT 10:59 AM
Tiny
KEN L
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Good info, thanks for the input, :D
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Monday, December 18th, 2006 AT 11:29 AM

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