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Cheap Mercedes-Benz EQS Steering Box

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A buyer's guide to used Mercedes-Benz EQS steering box

No two steering boxs are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:

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Fitment questions

Does a Mercedes-Benz EQS even have a steering box?

No — the EQS uses an electric power-assisted rack-and-pinion steering system, not a steering box. A steering box is a recirculating-ball or worm-and-sector unit found on older vehicles or some heavy commercial vehicles; it was never fitted to any variant of the EQS. If your steering is faulty, the part you are most likely looking for is the steering rack (also called the steering gear), the electric power steering motor, or the steering column assembly.

I searched for an EQS steering box but got no results — what should I be searching for instead?

Because the EQS has rack-and-pinion steering, the correct term to search is 'Mercedes EQS steering rack' or 'EQS electric power steering rack.' Depending on your fault, you may also need the EQS steering column, the EPS motor and control unit, or the steering angle sensor. Contact a breaker with your registration number so they can identify exactly which component is causing the problem.

Could the EQS 450+ and EQS 580 have different steering components even though neither has a steering box?

Yes — different EQS variants can carry different steering specifications; for example, the standard rear-axle steering and the larger rear-wheel-steering system (which offers up to 10 degrees of rear steer) may differ between build specifications. However, none of these variants use a steering box; the relevant part in all cases is the steering rack or rear-axle steering actuator. Always give your exact registration to the breaker so they can match the right unit to your car.

Is there any Mercedes-Benz EQS trim level — AMG Line, Business Class, Executive — that came with a steering box?

No trim level of the EQS, including AMG Line, Executive, or any other specification sold in the UK, was ever equipped with a steering box. Trim level makes no difference here because the part simply does not exist on this model in any form. Search for the steering rack or power steering components instead, and provide your registration to the breaker for an accurate match.

Someone told me older Mercedes models have steering boxes — could a part from one of those fit my EQS?

Older Mercedes-Benz models such as certain W124 or W126 variants did use recirculating-ball steering boxes, but those are entirely incompatible with the EQS, which uses a modern electric rack-and-pinion system. The mechanical layout, mounting points, and electronic integration are completely different, and no cross-fitment is possible. For EQS steering repairs, you need parts sourced specifically from an EQS donor vehicle — give your registration to the breaker to make sure they supply the correct rack or column assembly.