I would replace the steering links of they show signs of wear. (tie rods and drag link and idler arm bushings) Also check the ball joints for signs of rust under the boots, They love to rust up and squeak and break!

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM