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+--- Thread: w210 diff ratio modification with oem tcu replacement (/showthread.php?tid=8539)
w210 diff ratio modification with oem tcu replacement - nagyalbert85 - 05-19-2023
Hello! Has anyone modified the differential ratio in a w210 by replacing the factory TCU egs51 and automatic gearbox and new differential? I know the ofgear controller, but I'm interested in whether it can be solved with oroginal mercedes parts.
It works for one person in w202, so I wanted to try it. I installed w140 s600 tcu, w210 320cdi 722.626 automatic gearbox modifield bellhousing, w210 320cdi 2.65 differential.
But I have two error messages and the car is in limp mode