Q: Is the Input/turbine speed sensor "A" circuit in the transmission of my E320. on 2000 Mercedes-Benz E320

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My E320 Mercedes 2000 seems to be stuck in second gear. It Runs after the trans has cooled off. Will this ruin the transmission? The Code read out is P0715. Is this a poor electrical connection? This is called a "speed censor" can I replace it myself at home?
(1) Answer
Hey i had that problem before you will need to get a part for the tranmission it corritiveplate it has the input
sensor on this plate when get bad they give you that code, plus you have to change the tran fluid