Mercedes ML W164 320 DCI 2006: Automatic Gearbox Failure, Gears Lost After Few Kilometers

The discussion revolves around a 2006 Mercedes ML W164 320 DCI experiencing automatic gearbox failure, where the vehicle loses gears after driving a few kilometers. Initial diagnostics showed no faults detected by the computer. The user confirmed that the oil and filter were changed recently. Responses suggest checking the one-way clutch (freewheel clutch) as a potential issue, with a recommendation to verify if it is damaged. The user inquired about the replacement of the bearing associated with the clutch and where to purchase it, receiving guidance on a local supplier and estimated costs.
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