Josh walks us through replacing the valve body plate and the TCM plug on the widely used 722.6 transmissions found in thousands of Mercedes cars from the late 90s to mid-'00s. https://eEuroparts.com carries the plate and plug itself, as well as a kit.

Go to eEuroparts.com if your Mercedes Benz is having trouble shifting correctly, and get back on the road safely with this fix! A dealer or Authorized MB service center TCM reset is required for the fix to take. Most likely the car will be stuck in 1st gear until the transmission is reset.

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If you are having trouble reinstalling the valve body, take care to have the shifter pins aligned as demonstrated in this video:    • 722.6, NAG1, W5A580, Tiptronic Valve ...