Mercedes W177 Electric Power Steering Rack Cable Rubber Gear Unit A1774620000

Mercedes W177 Electric Power Steering Rack Cable Rubber Gear Unit is an original steering system component from the Steering gears and housings category, designed for use with electric power steering. This used, factory-original steering gear with rack assembly and cable ensures precise transmission of steering input to the wheels, maintaining the handling characteristics typical of Mercedes models. It is the ideal solution for users seeking a technically matched component rather than universal replacements.

Specifications and technical data

• SKU: A1774620000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1774620000
• Substitutable numbers: A1774620000, A 177 462 00 00, KD
• Category: Gearboxes, Racks & Pinions

Technical characteristics of the steering gear

The presented Mercedes W177 Electric Power Steering Rack Cable Rubber Gear Unit is a steering system component responsible for transferring torque from the steering column to the steering knuckles, integrated with an electric drive. The rack-and-pinion design works in tandem with the electric power steering, allowing for smooth, predictable vehicle response and stable tracking at higher speeds.

Factory-grade construction ensures correct mounting points, proper geometry, and compatibility with the vehicle's factory electronics. As a result, the steering system maintains the parameters specified by the manufacturer, without the need for software interference or modification of mounting elements.

Purpose and application in the steering system

This steering gear is designed for installation in Mercedes W177 series vehicles equipped with electric power steering. It is suitable both for standard replacement of a worn component and for repairs following mechanical damage within the suspension or front-end area.

Choosing an original steering gear allows you to maintain:

• consistent operation with factory sensors and steering system control units,
• correct steering assist characteristics across different driving modes,
• compliance with factory service and diagnostic procedures.

Benefits of using an original steering gear

Using a used, original steering gear for a Mercedes allows you to combine reasonable repair costs with the preservation of factory build quality. This component is designed for a specific vehicle platform, which translates into:

• precise vehicle handling and predictable steering response,
• proper cooperation with safety systems, such as lane assist or electronic stability control,
• reduced risk of fitment issues common with universal replacements.

For users who expect consistent steering system performance after a repair, choosing such a component is a technically sound and long-term beneficial solution.

Condition of the component and installation aspects

The steering gear is offered as a used part, allowing for an economical repair while maintaining the manufacturer's original specifications. Before installation, standard workshop verification is recommended, as well as performing wheel alignment procedures and any necessary steering system adaptation in accordance with service guidelines for Mercedes models.

Professional installation at a specialized service center will ensure proper tightening of mounting points, correct cable routing, and proper cooperation with the vehicle's electronics, which is crucial for safety and driving comfort.

If you are planning a comprehensive repair or upgrade of the steering system in your Mercedes and need other components from the same group, such as gear housings, mounting elements, or additional covers, check out the available parts in the Mercedes steering gears and housings category.

For drivers interested in a broader perspective on the operation and refurbishment of components in vehicles of this brand, including the impact of auxiliary equipment on engine performance, the article The second life of the Mercedes OM642 engine – how injectors and turbochargers restore the power of the 3.0 V6 CDI, which describes a practical approach to the regeneration of key components, may be helpful.