Second Hand Mercedes-Benz S-Class Steering Rack

The W220 ran from 1998 to 2005, the W221 from 2005 to 2013, and the W222 from 2013 to 2020 — these are the three generations most commonly seen on UK roads today, and each uses a different steering rack that will not cross over between generations. Always match the part to your generation first, as this is the single biggest fitment factor. Confirm the exact generation against your registration plate with the breaker before ordering.

A 2004 S-Class is a W220, while a 2006 car is a W221 — these are different generations with distinct steering geometry and subframe designs, so the racks are not interchangeable. Even though the years are close, you must source a rack from the correct generation for your car. Tell the breaker your exact registration so they can confirm the right part.

Yes, engine size can affect fitment because heavier, more powerful variants — such as the S600 or AMG models — may use a steering rack with different specifications to cope with the additional weight and power. When contacting a breaker, give them your engine size and model designation (for example S350, S500, or S63 AMG) alongside the generation. This helps them match the rack correctly rather than assuming all S-Class racks within a generation are identical.

For standard trim levels like SE or AMG Line on the same generation, the steering rack itself is generally the same unit and trim level alone does not determine fitment. However, full AMG models such as the S63 AMG or S65 AMG may use a different rack specification due to their significantly uprated powertrain and suspension setup, so these should be treated separately. Confirm with the breaker using your exact registration to make sure the rack they have matches your specific build, regardless of trim name.

The W221 S-Class received a facelift in 2009, primarily bringing exterior and interior updates rather than a full mechanical overhaul. Whether the steering rack changed across that 2009 facelift boundary is not something that can be stated with certainty, so you should confirm directly with the breaker against your registration whether a pre- or post-facelift rack is compatible with your car. Do not assume they are interchangeable without that check.

A steering rack is a single crosscar unit rather than a nearside or offside component, so left and right side labelling does not apply in the same way it does to wishbones or driveshafts. What does matter is that the rack is correct for a right-hand-drive UK car, as S-Class models were also built in left-hand-drive configuration and those racks are not suitable. Always confirm with the breaker that the unit they are supplying came from a right-hand-drive vehicle.