cla 250 4matic problems

Hello guys, anyone had a noise problem on Cla 4 Matic because the rear axle differential? Anyone can help me in getting a good used part for the rear axle differential? Thank you, Neil

Hi i have a 2016 CLA 250 shooting brack and i have a lot of shuttering vibration and clunking coming from the back of the car at low speed up to about 100km ph i have had it back to the dealer and was told there is an international problem with the CLA but Mercedes doesn't know what to do...