Mercedes Crankshaft Position Sensor W204 W212 W221 Engine A2761530128

Mercedes Crankshaft Position Sensor W204 W212 W221 Engine is a precision engine control component responsible for accurately determining the position of the crankshaft and synchronizing the operation of the power unit. By using an original Mercedes component, stable engine operation, correct fuel dosage, and proper ignition control are maintained. This is a solution for users who expect proven quality and compliance with factory standards.

Specifications and technical data

• SKU: A2761530128
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761530128
• Substitutable numbers: A2761530128, A 276 153 01 28, BG
• Category: Crankshafts

Function and role of the crankshaft position sensor

Mercedes Crankshaft Position Sensor W204 W212 W221 Engine works with the engine control electronics, generating a signal that informs about the current position of the crankshaft. Based on this signal, the controller selects the fuel injection and ignition timing, which affects the engine's refinement, dynamics, and fuel consumption.

A worn or faulty sensor can cause starting problems, uneven idling, or intermittent engine stalling. Replacing it with an original element from the Crankshafts group allows for restoring proper synchronization and stability of the drive system.

Benefits of using an original Mercedes component

Using a component from the same product line as the vehicle's factory equipment ensures:

• compatibility with engine controller operating parameters,
• proper fit to the mounting socket and electrical harness,
• repeatable, stable sensor signal,
• reduction of the risk of diagnostic errors associated with non-original replacements.

For users who expect predictable vehicle behavior and easier diagnostics, choosing an original crankshaft position sensor is a technically sound solution.

Product characteristics and application

The offered element belongs to the Crankshafts group, which means it is directly related to a key mechanical engine component. The sensor works with the pulse ring on the shaft, reading its position and transmitting information to the controller. This enables:

• precise control of engine operating phases,
• maintaining appropriate power and torque,
• reducing improper mixture combustion.

The product is intended for users of Mercedes models who want to restore the proper operation of the engine control system without experimenting with random replacements.

Product condition and practical aspects

The element is offered in used condition, which allows for an economical repair while maintaining the manufacturer's original specifications. For many premium segment vehicles, this is a reasonable compromise between cost and quality, especially when compliance with the factory design is a priority.

Choosing a used sensor from disassembly is also a real support for the circular economy and waste reduction. If you want to learn more about the impact of such decisions on the environment and your household budget, check out the article on the benefits of choosing used parts from disassembly.

Complementary items from the Mercedes Crankshafts group

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as pulleys, mounting elements, or additional components working with the shaft, check the available parts in the Mercedes Crankshafts category.