Mercedes SLK R171 Cylinder Head Left N/S Side 3.5 Petrol Engine A2720101201

Mercedes SLK R171 Cylinder Head Left N/S Side 3.5 Petrol Engine is a precision-engineered engine component designed for the petrol units of this series. This used, original left-side cylinder head ensures a factory-spec fit, maintaining the correct geometry of the combustion chamber and flow channels. It is an ideal solution for users looking to technically restore engine performance while preserving its original operating characteristics.

Specifications and technical data

• SKU: A2720101201-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720101201
• Substitutable numbers: A2720101201, A 272 010 12 01
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Cylinder Heads

Purpose and fitment for Mercedes SLK R171

The presented cylinder head is dedicated to the Mercedes SLK R171 with a 3.5 petrol engine, mounted on the left side of the power unit. By maintaining the original design, it ensures proper combustion chamber sealing, correct valve guidance, and stable mounting of accessories. Using a component from the same design family helps avoid compatibility issues and facilitates installation in workshop conditions.

Technical characteristics of the cylinder head

The cylinder head from the Cylinder Heads category is responsible for key processes in a petrol engine: mixture formation, air and exhaust flow, and interaction with the ignition system. The design intended for the petrol unit ensures appropriate intake and exhaust ports, spark plug placement, and correct routing of cooling and lubrication channels. Its position on the left side of the engine means that the geometry of the mounts, channels, and mating surfaces is precisely adapted to this part of the block.

Application in repairs and upgrades

A used cylinder head is suitable both for standard repairs following mechanical damage or overheating, and for more extensive engine restoration. In workshop practice, it is most commonly used in situations where:

• the existing cylinder head has cracked or suffered permanent deformation,
• replacement of the component is necessary after a cooling system failure,
• a comprehensive rebuild of the petrol engine in a Mercedes SLK R171 is being carried out.

Using an original cylinder head allows for the preservation of factory engine performance parameters, which is essential for both durability and the engine's smooth operation.

Benefits of choosing an original Mercedes cylinder head

Choosing a cylinder head sourced from a Mercedes vehicle primarily ensures structural compatibility with the engine block and accessories. The correct placement of oil and cooling channels, the proper shape of the combustion chambers, and the fitment to the valve train reduce the risk of leaks and operational issues. For workshops, this means more efficient installation, and for the user – stable engine operation after the repair.

Expanding the scope of service work

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

For more advanced restoration projects or refreshing cars from years similar to the SLK R171 generation, it is also worth checking out practical tips on using used components – you can find them in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 era.