I assume you have an S600 (Coupe), chassis: W140.076, Years:1994-1997, Engine: M120

Answer:

No.
Yours has a screen/filter inside the power steering pump tank, and is not a regular maintenence item.

Filter, power steering
MB# 000 466 19 04
$110.00

tank seal ring
MB# 022 997 19 48
$1.40


NOTE – All prices on special order parts subject to change without notice.

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