Mercedes W203 C208 C209 Cylinder Head Right Side O/S M112 3.2 Petrol A1120101520

Mercedes W203 C208 C209 Cylinder Head Right Side O/S M112 3.2 Petrol is an original component of the timing and combustion chamber system, designed for the M112 series 3.2-liter petrol engines. This used cylinder head from disassembly is a practical solution for engine repairs, allowing for the preservation of the factory design and performance characteristics of the power unit. Thanks to its precise fit for the specific side of the vehicle, it ensures proper geometry and system tightness.

Specifications and technical data

• SKU: A1120101520-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1120101520
• Substitutable numbers: A1120101520, A 112 010 15 20, R1120161301, R 112 016 13 01
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Cylinder Heads

Purpose and compatibility with Mercedes models

The presented cylinder head is dedicated to the M112 3.2 petrol engine installed in Mercedes CL203, C208, and C209 models. The design was specifically engineered for the right side of the power unit, which is crucial for correct installation, oil channel routing, and the cooling system.

Its original Mercedes origin ensures the maintenance of factory parameters for mixture flow, compression, and compatibility with engine accessories. This solution is particularly beneficial for repairs where maintaining serial performance and engine refinement is essential.

Technical and functional characteristics

The head belongs to the Cylinder Heads category and is a key component responsible for valve operation, combustion chamber formation, and heat dissipation from the cylinder. In the M112 3.2 petrol engine, it is responsible for:

• stable operation of intake and exhaust valves,
• maintaining combustion chamber tightness through cooperation with the head gasket,
• proper flow of the air-fuel mixture and exhaust gases,
• routing of oil and cooling channels within the right side of the engine.

The positioning on the right side of the vehicle is important for timing geometry, the layout of lubrication channels, and compatibility with manifolds and accessories. Using the correct head for the specific side minimizes the risk of installation and operational issues.

Fuel type and operational specifics in a petrol engine

The cylinder head is designed to work with a petrol-powered unit, which translates into the appropriate shape of the combustion chamber, intake and exhaust ports, and adaptation to spark-ignition characteristics. In the M112 3.2 petrol engine, the following are essential:

• precise mixture formation in the combustion chamber,
• appropriate turbulence and airflow in the ports,
• stable heat dissipation from the valve and spark plug area.

By maintaining factory geometry, the head supports even operation of all cylinders, which is significant for engine refinement, fuel consumption, and exhaust emissions.

Condition, origin, and benefits of using a used cylinder head

The component comes from disassembly and is offered as a used cylinder head. This type of solution is often chosen for M112 3.2 engine repairs, as it allows for a significant reduction in repair costs compared to purchasing a new part, while maintaining the manufacturer's original design.

The main advantages of using a used cylinder head include:

• preservation of the factory design and fit for the specific engine,
• possibility of economical repair in case of more serious engine damage,
• easier integration with existing accessories and the timing system.

Application in engine system repairs and upgrades

The right cylinder head for the M112 3.2 petrol engine is suitable for both standard repairs following mechanical damage or overheating, as well as for comprehensive engine overhauls. Replacing this component is recommended when issues arise with compression, combustion chamber leaks, or damage to valve guides and seats.

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 additional heads, mounting elements, or covers, check out the available parts in the Mercedes Cylinder Heads category.

For drivers who are simultaneously working on improving driving comfort and eliminating disturbing noises from the chassis, a guide describing economical solutions for suspension repairs may be helpful – you can find it in the article Suspension knocking? Discover a clever way to restore factory steering precision without spending a fortune at the service center.