Mercedes W204 W207 W212 Axle Turning Angle Sensor Rear Left N/S A2075400717

Mercedes W204 W207 W212 Axle Turning Angle Sensor Rear Left N/S is a precision chassis component responsible for accurate reading of the rear axle position in modern Mercedes models. Thanks to its factory OEM design and specific platform fitment, it ensures stable handling, predictable vehicle behavior, and proper integration with electronic systems. This is the ideal solution for users who want to maintain the original driving characteristics and avoid compatibility issues.

Specifications and technical data

• SKU: A2075400717
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2075400717
• Substitutable numbers: A2075400717, A 207 540 07 17
• Location on the vehicle: Rear, Left
• Category: Axle Housings & Parts

Purpose and function in the chassis system

The offered rear left axle turning angle sensor is designed for installation in the rear of the vehicle, on the left side. This component works with the suspension system and body electronics, transmitting information about the current axle position to the control units. A properly functioning sensor allows for:

• precise monitoring of rear axle geometry while driving,
• stable operation of driver assistance systems,
• maintaining predictable vehicle response to steering inputs.

By adhering to the original design specifications, the sensor is correctly recognized by the vehicle's electronics, which reduces the risk of errors and warning messages.

Compatibility with the Mercedes platform

Mercedes W204 W207 W212 Axle Turning Angle Sensor Rear Left N/S has been designed specifically for the architecture of these models, which translates into correct mounting points and the proper electrical connector. Using an original solution instead of a worn-out component allows you to maintain:

• consistency between the suspension system and body electronics,
• proper cooperation with factory control units,
• compliance with service procedures used in authorized service centers.

The component belongs to the Axle housings and parts group, meaning it is an integral part of the rear axle assembly, and its condition has a direct impact on vehicle behavior under dynamic driving conditions.

Characteristics of the used component

The offered sensor comes from a vehicle where it was previously in use, which allows you to combine original construction with a more favorable purchase cost. A used OEM component is a solution often chosen by conscious premium car owners who want to maintain factory build quality and fitment while optimizing repair budgets.

Before installation, a standard service procedure is recommended, including checking the electrical wiring, correct seating in the mounting point, and – if required by the specific model – adaptation or calibration in the vehicle's diagnostic system. This approach minimizes the risk of further intervention in the suspension system and ensures stable chassis operation in the long term.

Why choose an original rear axle sensor

Choosing an original rear left axle turning angle sensor for a Mercedes is primarily an investment in predictable vehicle behavior and compliance with factory settings. In practice, this means:

• maintaining the driving characteristics designed by the manufacturer,
• lower risk of compatibility issues compared to aftermarket replacements,
• easier diagnostics in the future – the control units "recognize" this type of component.

If you are planning a comprehensive repair or upgrade of the rear axle area in your Mercedes and need other parts from the same group, such as position sensors, brackets, or mounting elements, check out the available parts in the Mercedes Axle housings and parts category.

More technical knowledge and the trend of used originals

For drivers interested in a broader context of parts selection, including a comparison of new and used OEM components in popular car brands, the article on upgrades and replacements in hot hatchbacks may be useful – check out the material: Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.

If you want to better understand why premium cars – such as Mercedes – are increasingly using used original components instead of new replacements, take a look at this analytical post: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026. This is a practical supplement to your knowledge when planning repairs or chassis upgrades.