Mercedes-Benz C-Class W203 M111 C180 Petrol Engine Throttle Body A1111410225

Mercedes-Benz C-Class W203 M111 C180 Petrol Engine Throttle Body is an original intake system component responsible for precisely controlling the amount of air supplied to the engine. As part of the Throttle Bodies group, it ensures stable engine operation, correct throttle response, and proper combustion conditions. A used component of this type is a reasonable, technically sound choice for repairs and diagnostics of the fuel system in C180 petrol engines.

Specifications and technical data

• SKU: A1111410225
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111410225
• Substitutable numbers: A1111410225, A 111 141 02 25, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Throttle Bodies

Purpose and function in the intake system

The throttle body in the Mercedes-Benz C-Class W203 C180 with a petrol engine is responsible for regulating the airflow drawn into the intake manifold. A properly functioning component allows for stable idle speed, smooth acceleration, and predictable response to the accelerator pedal. In petrol engines, it is a key sub-assembly that works with the engine control system, sensors, and fuel injection system.

Its location in the front part of the engine bay facilitates service access, diagnostics, and potential replacement. Thanks to this, workshop tasks related to the intake system can be carried out efficiently, without interfering with other mechanical components.

Benefits of using an original throttle body

Using an original throttle body in a Mercedes C-Class W203 C180 allows you to maintain the factory operating parameters of the engine. The most important benefits include:

• Stable idle operation – reduction of idle fluctuation and engine stalling.
• Better throttle response – predictable acceleration across the entire rev range.
• Proper cooperation with engine electronics – no need to adapt non-factory solutions.
• Reduced risk of engine control unit errors related to incorrect signals from the throttle body.

A used element from this group, after proper verification, can effectively restore the correct operating parameters of the intake system without the need to invest in a new part.

Compatibility with the C180 petrol engine

The described throttle body is designed for the C180 petrol unit used in the Mercedes C-Class W203. The design, adapted to the specifics of the petrol engine, ensures appropriate airflow characteristics and correct cooperation with the mixture control system. This makes it possible to maintain the proper air-fuel mixture ratio under various load and operating temperature conditions.

In case of replacement, it is worth paying attention to compatibility with the fuel system and correct electrical and mechanical connection. A properly selected throttle body reduces the need for additional modifications and speeds up the process of getting the vehicle running after repair.

Mercedes throttle bodies – expansion and modernization of the intake system

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as throttle housings, control elements, or additional intake sub-assemblies, check the available parts in the Mercedes Throttle Bodies category.

Additional technical information and service knowledge

When working on the fuel and intake systems in Mercedes engines, it is worth expanding your knowledge about typical signs of wear and procedures for restoring engine efficiency. An example is the detailed description of the regeneration and refurbishment of diesel units, which clearly shows how much influence components responsible for fuel supply and forced induction have on engine refinement. You can find more on this topic in the article Second life of the Mercedes OM642 engine – how injectors and a turbocharger restore power to the 3.0 V6 CDI.

Although the description concerns a different type of engine, the mechanics of the cooperation between the controller, the fuel system, and the airflow regulating elements are similar, which helps to better understand the importance of a functional throttle body in daily vehicle operation.