Very erratic shifting,no shifting,and no gears at all.
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Had the car 2 months,drove like a dream at first,then chaos,changed the shifter,changed the conductor plate,fluid,filter,fuses,and now even after reset goes into limp mode within minutes and is all over the place.No hard shifts just random erratic un drivable shifting.
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I'm sorry to say that this vehicle really needs to have a proper diagnosis done by a technician trained to work with Mercedes Benz vehicles. Nothing can really be determined for this kind of a problem via the Internet. Good luck!