Mercedes C118 V177 W247 Air Flow Sensor Mass Meter Sensor A6549052300

The Mercedes C118 V177 W247 Air Flow Meter is an original component from the air and fuel intake sensors group, designed for precise measurement of intake air volume in selected Mercedes models. Thanks to its factory specifications, it ensures stable engine operation, correct fuel delivery, and predictable throttle response. This is a solution for users who expect compliance with manufacturer requirements and want to maintain the integrity of the entire intake system.

Specifications and technical data

• SKU: A6549052300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6549052300
• Substitutable numbers: A6549052300, A 654 905 23 00
• Category: Air Intake & Fuel Sensors

The Role of the Air Flow Meter in a Mercedes Engine

In C118, V177, and W247 models, the air flow meter is responsible for measuring the mass of air supplied to the cylinders. Based on this data, the engine control unit determines the fuel dose, adjusts the injection timing, and manages auxiliary components. A properly functioning component from this group:

• stabilizes idle speed and reduces power fluctuations,
• facilitates starting in various ambient temperatures,
• contributes to smooth engine operation across the full load range,
• helps maintain exhaust emission parameters as specified by the manufacturer.

For modern Mercedes units, where the intake and fuel systems are tightly integrated, a functional air flow meter is crucial for maintaining driving refinement and predictable torque characteristics.

Why Choose an Original Air and Fuel Intake Sensor

A component from the Air and Fuel Intake Sensors category designed for Mercedes is tailored to the characteristics of specific powertrains and control unit software. In practice, this means:

• correct signal interpretation by the factory ECU without the need for adaptation,
• preservation of factory injection and boost maps,
• reduced risk of diagnostic errors and warning light illumination,
• compatibility with other sensors in the intake and fuel system.

Compared to aftermarket alternatives, an original air flow meter in a Mercedes system allows for engine operating parameters to be maintained close to factory levels, which is particularly important in vehicles subjected to intensive use or equipped with advanced emission control systems.

Used Condition – A Practical Approach to Servicing

The offered air flow meter is a pre-owned item, representing a sensible compromise between cost and maintaining factory specifications. A used air and fuel intake sensor:

• allows for reduced expenses while preserving the original design,
• is suitable as a replacement for fleet and private vehicles,
• is a good choice for phased refurbishment of the entire intake system.

This solution is often chosen by workshops specializing in the Mercedes brand, where both technical compliance and repair economics are important.

Selection, Diagnostics, and Connection to the Fuel System

When replacing the air flow meter in Mercedes C118, V177, and W247 models, it is advisable to pay attention to the proper diagnostics of the entire fuel supply system. Incorrect sensor readings can be mistaken for fuel system issues, so before installation, it is recommended to verify operating parameters using a diagnostic tester and check the intake system for leaks.

For users who want to better understand the relationship between air measurement and fuel delivery, a guide describing the construction and operation of the fuel system will be helpful. A detailed discussion can be found in the article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Refurbishment”, which provides practical tips on diagnostics and selecting components by OEM numbers.

Other Air and Fuel Intake Sensors for Mercedes

If you are also looking for other solutions from the same group, it is worth checking out the other Mercedes air and fuel intake sensors available in our offer. You can find a full list of compatible components here: Mercedes air and fuel intake sensors. This will allow you to easily assemble a set of components that meet the requirements of a specific engine and equipment version.