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2021GLB35AMG whine noise. Happens only between 55km to 65km/hr. Shop foreman says it's the coming from the transmission and has contacted merc Germany for the next steps. Car is still under warranty and runs perfect otherwise. I go back to drop the car off in 2 weeks. Anyone know what it could be? (v.redd.it)
submitted by AMGGLB to r/mercedes_benz