Mercedes W177 W213 W247 W256 W654 W656 Crankshaft Position Sensor A0031532828

Mercedes W177 W213 W247 W256 W654 W656 Crankshaft Position Sensor is a precision engine control component responsible for accurately determining the position and rotational speed of the crankshaft. This allows the engine control unit to correctly synchronize fuel injection and ignition, which translates into stable engine operation and predictable performance. This item from the Crankshafts category is dedicated to Mercedes vehicles and is the right choice for professional powertrain repairs.

Specifications and technical data

• SKU: A6549053000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6549053000
• Substitutable numbers: A6549053000, A 654 905 30 00
• Category: Crankshafts

Function and importance of the crankshaft position sensor

The crankshaft position sensor in Mercedes W177, W213, W247, W256, W654, and W656 series models is responsible for generating a reference signal for the engine control unit. Based on this signal, the engine management system determines:

• the exact rotation angle of the crankshaft,
• the current engine speed,
• the timing for fuel injection and ignition,
• proper synchronization with other sensors in the system.

A functional sensor in this group of Mercedes models is crucial for maintaining smooth engine operation, easy starting, and reducing irregularities such as misfires or engine stalling.

Intended for specific Mercedes models

Mercedes W177 W213 W247 W256 W654 W656 Crankshaft Position Sensor has been designed for modern Mercedes constructions, where high measurement accuracy and signal stability across a wide RPM range are required. Using a dedicated component from the Crankshafts group allows for maintaining compliance with the factory engine operating characteristics and control unit software.

Selecting the correct sensor for a specific vehicle generation is particularly important in the case of modern power units, where even minor signal deviations can cause diagnostic errors, power loss, or entering limp mode.

Characteristics and benefits of use

The presented sensor, as an original Mercedes component, ensures:

• a stable signal across the full engine RPM range,
• proper cooperation with the factory engine control unit,
• appropriate mechanical fitment to the engine housing and crankshaft,
• maintenance of operating parameters in accordance with the vehicle manufacturer's specifications.

As a result, installing such a sensor is the preferred solution in situations where repeatable, predictable repair results and minimizing the risk of recurring synchronization-related faults are prioritized.

Condition of the item and service application

The sensor is offered in used condition, which allows for an economical yet technically sound vehicle repair while maintaining the original origin of the part. This type of solution is often chosen in professional workshops when the priority is combining quality with rational service costs.

Before installation, a standard service procedure is recommended, including checking the mounting socket, electrical harness, and connectors to ensure proper signal reading after the sensor replacement.

Expanding repairs within the crankshaft-piston system

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 additional sensors, fasteners, or related crankshaft system components, check the available parts in the Mercedes Crankshafts category.

Expert support for selecting used components

When making decisions about using used components in repairs, it is worth relying on reliable technical knowledge and service practice. Additional information on the reasonable choice of used parts instead of replacements is provided in the article: Post-accident repair of your car: why are used body parts a better choice than replacements?. Although it mainly concerns body parts, it addresses universal issues of quality, fitment, and durability, which are also relevant when selecting components for the powertrain.