Mercedes-Benz W202 W203 M111 C 200 230 Petrol Engine Throttle Body A1111410325

Mercedes-Benz W202 W203 M111 C 200 230 Petrol Engine Throttle Body is a precision intake system component responsible for controlling the amount of air supplied to the engine. This component, mounted in the front part of the engine bay, ensures stable operation of the M111 unit and proper throttle response. By maintaining the factory design, this is a solution compliant with the manufacturer's requirements, suitable for professional repairs and servicing.

Specifications and technical data

• SKU: A1111410325
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111410325
• Substitutable numbers: A1111410325, A 111 141 03 25, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Throttle Bodies

Application and function in the M111 petrol engine

The described throttle body is designed for M111 series petrol engines in Mercedes C-Class W202 and W203 generation models in C 200 and C 230 versions. As an intake system component in a petrol engine, it is responsible for precise air metering, which has a direct impact on engine refinement, idle stability, and acceleration smoothness. Its location in the front of the vehicle facilitates service access and reduces potential replacement time.

Construction and technical characteristics

The throttle body belongs to the Throttle Bodies category, meaning it is an integral part of the air-fuel mixture control in a petrol engine. The construction is adapted to the specific requirements of M111 units, ensuring proper intake duct geometry and correct interaction with the engine control system. Using an original solution allows for maintaining factory performance parameters, including stable idle, predictable throttle response, and correct interaction with the vehicle's electronics.

Benefits of using an original Mercedes throttle body

Choosing a throttle body dedicated to M111 petrol engines in the Mercedes-Benz W202/W203 brings a number of practical benefits:

• maintaining the factory operating characteristics of the petrol engine,
• proper interaction with the control system and sensors,
• correct mechanical fitment to the intake manifold and accessories,
• suitability for professional repairs and diagnostics.

As a result, the throttle body acts as a coherent element of the intake system, reducing the risk of issues such as rough idling, engine stalling, or delayed throttle response.

Condition, fitment, and service application

The offered throttle body is a used part, making it an attractive cost-effective solution while maintaining the manufacturer's original specifications. The product is intended for installation in the front part of the engine bay, in place of the factory throttle body, without the need for vehicle modifications. Such fitment facilitates faster repair completion and limits the risk of installation issues.

Support in selection and intake system development

When working on the intake system and petrol engine control, it is worth ensuring the consistency of the components used. If you are planning more extensive modifications or want to better understand the impact of individual elements on performance, a practical tuning guide may be helpful. More information can be found in the article How to increase engine power: a practical guide to engine tuning with used parts, which discusses possibilities for performance improvement using proven, used components.

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 throttle bodies, throttle control elements, or additional modules interacting with the intake system, check the available parts in the Mercedes Throttle Bodies category.