4 Matic Failure Light - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 12-28-2007, 07:38 AM Thread Starter
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Date registered: Dec 2007
Vehicle: 1992 M-Benz 300E 4 matic
Location: E. Bridgewater, MA
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4 Matic Failure Light

My 1992 300E 4 Matic Light has come on and remailns on (not the "triangle light). Some say disconnect the neg from the battery and it will reset the system. Should I disengage the system via the lever under the hood first?
I only have 75K miles on this beauty, I hope it is a simple (and inexspensive) solution!
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post #2 of 2 (permalink) Old 12-28-2007, 01:07 PM
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Vehicle: W211 E320 Bluetec R129 SL500 - $1300 car ........ Ford F350 6.7l
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Disconnecting the battery will reset monitoring system, but not the faulty mechanical parts.
I researched the older 4-Matic version and it has extremely bad reliability records. That made me spending more money on the newer one.
From what I remember the light means that the front axle don't engage anymore, leaving the car in RWD mode permanently. Lot of owners drive like that not wanting to spend big $$$ to repair faulty transfer case.
Good luck.
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