Throttle Body Mercedes W204 W209 M156 Petrol Engine Throttle Unit A1561410225

The Mercedes W204 W209 C219 M156 Gasoline Engine Throttle Body is a precise intake system component responsible for controlling the amount of air supplied to the gasoline engine. As part of the Throttle Bodies category, it ensures stable engine operation, proper throttle response, and predictable performance parameters across the entire RPM range. This solution is dedicated to users expecting proven, factory-spec geometry and reliable performance in demanding operating conditions.

Specifications and technical data

• SKU: A1561410225
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1561410225
• Substitutable numbers: A1561410225, A 156 141 02 25
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Throttle Bodies

Function and Role of the Throttle Body in the M156 Engine

The throttle body in the M156 gasoline engine is responsible for precise air metering, which directly impacts the unit's power, torque, and smoothness of operation. Located at the front of the engine bay, it works with the engine control system, enabling:

• stable idle maintenance under various loads,
• smooth acceleration without jerks or response delays,
• proper operation of traction control and stability systems,
• maintenance of optimal fuel-air mixture composition.

For gasoline units used in the W204, W209, and C219 models, a properly functioning throttle body is crucial for maintaining characteristic dynamics and predictable accelerator pedal response.

Purpose and Compatibility

The Gasoline Engine Throttle Body for Mercedes is designed to work with the M156 unit, used in selected versions of the W204, W209, and C219 models. The design intended for installation at the front of the intake system ensures proper airflow guidance and compatibility with factory manifolds and accessories.

By maintaining original geometry and mounting points, this component allows for installation without modifying the intake structure, which is particularly important in high-performance vehicles where engine operating parameter stability directly impacts the powertrain's durability.

Benefits of Using an Original Mercedes Throttle Body

Using a throttle body dedicated to the M156 gasoline engine in a Mercedes offers a range of practical operational benefits:

• Consistent Operation with Engine Electronics – proper cooperation with the factory control unit minimizes the risk of errors and limp mode.
• Stable Operating Parameters – maintaining predictable throttle response and smooth operation at low and high RPMs.
• Proper Mechanical Fitment – no need for modifications to mounting points or intake hoses.
• Safe Gasoline Engine Operation – correct air metering reduces the risk of excessively lean or rich mixtures.

For users who value maintaining the original character of the M156 unit, using the correct throttle body is one of the key elements in preserving performance parameters at the expected level.

Product Characteristics and Service Application

The offered throttle body is from a Mercedes vehicle and is designed for gasoline fuel operation. Its placement at the front of the intake system facilitates service access, which is important for diagnostics and periodic cleaning of the component.

In service applications, this type of throttle body is suitable for both standard replacement of a worn component and for comprehensive overhaul of the M156 engine unit, where maintaining the consistency of all intake system components is important. The used nature of the part allows for economical restoration of system functionality while preserving the original design.

Technical Support and Additional Materials

When planning work on the intake system, it is advisable to consider the condition of other components that work with the throttle body, such as intake hoses, position sensors, or control elements, to ensure a cohesive service outcome and avoid secondary failures.

If you need other parts from the category related to air flow regulation in engines of this brand or are planning a broader range of work on the intake system, check the available parts in the Mercedes Throttle Bodies category.

To expand your knowledge on the importance of original components in maintaining brand character and factory powertrain operating parameters, it is worth reading the article Audi and Pure Emotion – How Used Parts Help Maintain Brand DNA, which shows how appropriately selected components influence a car's long-term operation.