Cylinder Head Mercedes C208 C209 W203 S203 Right Side O/S R1120161301

The Mercedes C208 C209 W203 S203 Engine Cylinder Head R1120161301 is an original, used cylinder head from the Cylinder Heads group, designed for installation on the right side of the engine unit in Mercedes vehicles. This is a solution for users seeking a technically matched component for professional engine repair, while maintaining factory operating parameters.

Specifications and technical data

• SKU: A1120101520
• 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
• Category: Cylinder Heads

Purpose and Engine Fitment

The presented cylinder head has been designed as a component of the timing system and combustion chamber in engines used in Mercedes models from the C208, C209, W203, and S203 series. Its placement on the right side of the engine unit ensures compatibility with the factory engine architecture and correct routing of intake, exhaust, and coolant channels.

By preserving the original geometry of the channels and valve seats, the cylinder head allows for the maintenance of proper engine operating characteristics, stable compression, and correct interaction with accessories such as manifolds, ignition system, or fuel system.

Cylinder Head Construction and Function

In this configuration, the cylinder head plays a crucial role in shaping the combustion process, dissipating heat, and guiding the fuel-air mixture. The design intended for Mercedes units ensures:

• precise valve guidance and stable operation of the timing system,
• appropriately shaped combustion chambers for uniform cylinder operation,
• integration with factory intake and exhaust manifolds,
• proper cooling and lubrication channels within the cylinder head.

A cylinder head configured in this way allows for the preservation of factory power and torque parameters, while simultaneously reducing the risk of leaks or engine unit overheating.

Benefits of Using an Original Mercedes Cylinder Head

Using an original cylinder head from the Cylinder Heads group to replace a damaged component allows for maintaining the structural integrity of the entire engine. You receive a component designed specifically for the given unit architecture, which translates to:

• better fit with the engine block and accessories compared to aftermarket replacements,
• maintenance of factory tolerances and operating parameters,
• easier diagnostics and future servicing,
• possibility of professional refurbishment according to workshop procedures.

For users who want to restore the engine unit's functionality without altering its design, choosing such a cylinder head is a technically safe and predictable solution.

Vehicle Placement and Installation Aspects

The cylinder head is designed for installation on the right side of the engine, which is particularly important in V-engines where each cylinder head serves a separate bank of cylinders. Correctly selecting the installation side is crucial for:

• compatibility with the oil and cooling channel system,
• correct timing and valve drive element setup,
• trouble-free installation of manifolds and engine accessories.

Before installation, standard workshop procedures are recommended, such as checking the flatness of the mating surface, verifying the condition of the valve seats, and using new gaskets and bolts according to the manufacturer's procedure.

Condition and Application in Repairs

The offered cylinder head is a used component, making it an attractive option for economical engine repairs in Mercedes cars from the C208, C209, W203, and S203 series. Such components are often chosen for:

• repairs after engine unit overheating,
• mechanical damage to valves or the combustion chamber,
• major overhauls when one side of the cylinder head needs replacement.

By choosing this cylinder head, you gain a basis for professional refurbishment or direct installation after appropriate preparation, allowing for the restoration of engine functionality at controlled service costs.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as cylinder head casings, valve covers, or additional components related to the timing system, check the available parts in the Mercedes Cylinder Heads category.

To better plan work on the powertrain and avoid common mistakes when selecting used components, it is worth consulting the practical tips contained in the guide Second-hand Differential – What You Should Know About Used Differentials, Sensors, and Drivetrains, which helps to consciously assess the condition of components and select them for a specific car model.