Have Mercedes Questions? Ask a Mechanic for Answers ASAP
Hi, the common issue with the Mercedes transmission is with the speed sensors in the transmission. Replacement of the transmission conductor plate along with the fluid, filter and electrical connector solves the problem. Estimated cost of a conductor plate replacement is $950. The repair involves removing the transmission pan and valve body to replace the conductor plate. A diagnostic scan should be performed to check for fault codes in the transmission control unit relating to the speed sensors.
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