No certainty Sheila, it should be done is the only answer. If you read back you will see that my dealer had a car that MB said had the new knuckles but hadn't. You can feel the crabbing/clonking through the steering wheel but mainly in cold/wet weather.
2017 GLC AMG43 premium plus, night pack, leather, intel lights, 360 camera, side steps. = sadly gone
Now GLE450 Premium plus, Selenite, Black/White Nappa leather, Tech plus pack, Driving assistance pack, Tow pack, Off road pack, 22 inch wheels.