Mercedes-Benz Introduces Steer-by-Wire Technology in EQS with Yoke Steering Wheel and 170-Degree Lock-to-Lock

2026/04/07
New car dynamics
Mercedes
Malaysia
Mercedes-Benz has announced steer-by-wire technology availability for the EQS flagship electric sedan, featuring a yoke steering wheel with just 170 degrees lock-to-lock, eliminating the need for hand-over-hand steering. The compact wheel design improves driver display visibility and ingress/egress convenience, requiring redesigned airbag deployment architecture. The system eliminates mechanical linkage between steering wheel and road wheels, utilizing motors for steering actuation with infinitely variable ratio. Dual redundancy is ensured through duplicate DC-DC converters, power supplies, communications circuits, and motors; should one path fail, the other maintains limp-home capability, while rear-wheel steering and selective braking provide ultimate fallback. Mercedes-Benz has validated the system over one million kilometers across test benches, proving grounds, and public roads.
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Paul Tan
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Mercedes-Benz Introduces Steer-by-Wire Technology in EQS with Yoke Steering Wheel and 170-Degree Lock-to-Lock
Mercedes-Benz has announced steer-by-wire technology availability for the EQS flagship electric sedan, featuring a yoke steering wheel with just 170 degrees lock-to-lock, eliminating the need for hand-over-hand steering. The compact wheel design improves driver display visibility and ingress/egress convenience, requiring redesigned airbag deployment architecture. The system eliminates mechanical linkage between steering wheel and road wheels, utilizing motors for steering actuation with infinitely variable ratio. Dual redundancy is ensured through duplicate DC-DC converters, power supplies, communications circuits, and motors; should one path fail, the other maintains limp-home capability, while rear-wheel steering and selective braking provide ultimate fallback. Mercedes-Benz has validated the system over one million kilometers across test benches, proving grounds, and public roads.
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