Air Filter Box Mercedes W211 Diesel OM646 Filter Housing Maf Sensor A6460902101

The Mercedes W211 Diesel OM646 Air Filter Housing Mass Air Flow Sensor is a complete, used housing integrated with a mass air flow sensor, designed for OM646 diesel engines. This component belongs to the air filters category and is a factory-original solution tailored for the intake system in Mercedes E-Class W211 diesel models.

Specifications and technical data

• SKU: A6460902101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460902101
• Substitutable numbers: A6460902101, A 646 090 21 01, A0051535028, A 005 153 50 28, A0061539728, A 006 153 97 28, A6460940048, A 646 094 00 48
• Fuel type: Diesel
• Category: Air Filters

Intended Use and Function in the Intake System

The air filter housing with MAF sensor is responsible for the stable delivery of air to the engine and precise measurement of its mass. In OM646 diesel engines, accurate air flow readings are crucial for fuel injection quantity, the operation of the injection system, and the correct strategy of the engine control unit. Using the original housing integrated with the air flow meter helps maintain proper mixture parameters, reduce smoke, and preserve the smooth operation typical of a factory Mercedes configuration.

Construction and Benefits of Using the Original Housing

The presented air filter housing has been specifically designed for the engine bay geometry of the W211 diesel, ensuring:

• precise fit to factory mounting points and intake hoses,
• correct airflow guidance through the filter element,
• stable operating conditions for the integrated MAF sensor,
• maintenance of the factory noise level of the intake air.

This allows for an organized installation without the need for modifications to the intake system or additional adapters. The original design minimizes the risk of leaks that could disrupt flow measurement and lead to engine control unit errors.

Benefits of Using a Complete Housing with MAF Sensor

Using a complete air filter housing with MAF sensor in the Mercedes W211 diesel offers a range of practical service and operational benefits:

• component synergy – the housing and air flow meter are structurally integrated,
• easier diagnostics – in case of intake system issues, the entire assembly can be more definitively assessed,
• reduced adaptation problems – the engine control unit operates in conditions close to factory settings,
• possibility of using existing mounting points and factory clamps.

For the user, this translates to more predictable engine behavior, stable idle speed, and correct throttle response, which is particularly important in diesel engines.

Condition, Verification, and Vehicle Compatibility

This part is a used item, offered as a used air filter housing with MAF sensor. Before installation, a standard visual inspection is recommended to check for any mechanical damage, cracked spigots, or leaks at the connections. It is also advisable to verify compatibility with the specific diesel engine version in your Mercedes W211, using the OEM part number and available interchange numbers shown in the technical specifications section.

Mercedes Air Filters – Selection and Further System Expansion

If you are looking for other Mercedes air filters suitable for various models of this brand, please check our dedicated category: Mercedes air filters. Here you will find a wide selection of housings, filter elements, and intake system components designed for vehicles with diesel and gasoline engines.

How to Care for a Used Air Filter Housing with MAF

To maximize the potential of a used air filter housing with MAF sensor, proper operation and regular servicing are important. Using high-quality filter elements and avoiding driving with a leaky intake system, which could accelerate the wear of the air flow meter, are key. Additional tips on maintaining disassembled parts, including engine components and electronics, can be found in the article: How to Extend the Lifespan of Used Car Parts?.

Summary

The Mercedes W211 Diesel OM646 Air Filter Housing Mass Air Flow Sensor is a practical solution for users seeking an original intake assembly integrated with an air flow meter for a diesel engine. Using the factory housing with MAF sensor helps maintain correct engine operating parameters, facilitates installation, and supports stable, predictable vehicle operation in everyday conditions.