Mercedes-Benz C CLK E W203 C208 W210 M111 Kompressor Petrol Exhaust Manifold

Mercedes-Benz C CLK E W203 C208 W210 M111 Kompressor Petrol Exhaust Manifold is a precisely engineered exhaust system component designed for C, CLK, and E models, including the W203, C208, and W210 generations. This used manifold, mounted on the right side of the engine unit, ensures proper exhaust gas discharge from the M111 Kompressor engine, supporting stable operation of the forced induction system while maintaining factory flow parameters. By preserving the original geometry, it serves as a solid foundation for both service repairs and technically sound exhaust system upgrades.

Specifications and technical data

• SKU: A1111404209
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111404209
• Substitutable numbers: A1111404209, A 111 140 42 09, KZ
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Manifolds & Headers

Purpose and function in the exhaust system

Mercedes-Benz C CLK E W203 C208 W210 M111 Kompressor Petrol Exhaust Manifold is responsible for collecting exhaust gases from individual cylinders and distributing them evenly to the rest of the system. In petrol units with a supercharger, the correct shape and cross-section of the channels are crucial for:

• maintaining appropriate backpressure in the exhaust system,
• stable operation of the mechanical supercharger,
• proper cylinder filling and repeatable torque characteristics,
• reducing local overheating in the cylinder head and exhaust valve area.

The positioning on the right side of the vehicle allows for direct fitment to the factory exhaust system in C, CLK, and E bodies, without the need for modifications or adaptations.

Compatibility with the M111 Kompressor petrol engine

The presented component has been designed to work with a supercharged petrol engine, meaning its geometry accounts for the higher thermal and pressure loads typical of forced induction units. In practice, this translates into:

• maintaining stock exhaust flow characteristics,
• proper cooperation with sensors and subsequent exhaust system components,
• suitability for vehicles used in both urban traffic and on long-distance routes.

As a result, the manifold is the right choice when replacing a worn or damaged part in Mercedes C-Class, CLK, and E-Class cars with the M111 Kompressor engine, without interfering with ECU maps or requiring additional mechanical modifications.

Installation and operational characteristics

As a part from the Exhaust Manifolds category, this component is intended for installation at the factory mounting points on the right side of the engine unit. Proper fitment to the cylinder head and the rest of the exhaust system helps reduce service time and limits the risk of leaks. In practice, this means:

• the ability to use standard gaskets and fasteners,
• easier maintenance of exhaust system integrity in the long term,
• preservation of the factory routing of pipes and accessories in the engine bay.

The used nature of the part makes it an economical solution that is also technically consistent with the original Mercedes design, which is important for repairs aimed at maintaining the vehicle's stock parameters.

Application in Mercedes C, CLK, and E models

Mercedes-Benz C CLK E W203 C208 W210 M111 Kompressor Petrol Exhaust Manifold has been developed to ensure compatibility with the factory powertrains of these models. Thanks to this:

• it fits the engine bay architecture of the given generation of C, CLK, and E bodies,
• it allows for seamless connection to the stock exhaust line,
• it helps maintain compliance with factory emission standards (provided the rest of the system is functional).

This solution is particularly beneficial for users who want to restore full exhaust system efficiency without abandoning the manufacturer's original design concept.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as manifolds, downpipes, or connection elements, check out the available parts in the Mercedes Exhaust Manifolds category.

Technical support and knowledge about the exhaust system

For users interested in a broader context of selecting exhaust system components, including used manifolds for vehicles such as Mercedes, BMW, Audi, VW, or Mini, we have prepared a practical guide. To better understand the relationships between the manifold, catalytic converter, and the rest of the system, and to plan upgrades consciously, it is worth reading the article Performance exhaust system: used manifolds and sports catalytic converters on the road.