Question about Mercedes-Benz ML500

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I have a 2006 ML 500 with the new transmission before Mercedes went back to their "4 matic" version of transmission. The transmission has been worked on several times for different reasons. The problem now is that occassionaly when I accelerate from a stop the transmission does not engage and I feel like the transmission is slipping or just not engaging. The Mercedes house has worked on the transmission so often I am concerned that I will always have problems. I have an extended warranty, but I have 75,000 miles on the car and so I have only 25,000 miles left.

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This kind of problem is caused by low fluid pressure, this can be a leaking valve body, a sticking fluid check ball or a defective pressure pump, u did not say if u have ever had any trans trouble codes that have been set for this intermittent issue, the real issue here is that u are worried your warranty will expire and the problem will occur again, I am a dealer technican of thirty years and know how this works, if the problem was not fixed and still happens get the factory field engineer involved, u can call the factory assistance number in your owners manual, then you can request that the field rep extend your warranty on the trans if he can't verify the problem based on your past problems

Posted on Apr 14, 2009


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