Or if you are int he los angeles area, Take the car to Mr MB Motors in Tarzana. Enrique is the owner,a nd one fo the best mechanics I havre ever met.
See my review on his shop in good mb shops forum.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.