Mercedes R171 SLK 350 Bare Engine 272.963 272963 272HP 69k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mercedes R171 SLK 350 Bare Engine 272.963 272963 272HP 69k miles, WARRANTY is a used, original V6 engine block designed for the Mercedes SLK R171 generation models. The bare engine serves as a solid foundation for professional repair or a complete engine rebuild, allowing for the use of existing accessories while maintaining factory performance characteristics. This is an ideal solution for users and workshops seeking a precisely selected component with predictable parameters.

Specifications and technical data

• SKU: A2720103144
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720103144
• Substitutable numbers: A2720103144, A 272 010 31 44, A2720109802, A 272 010 98 02
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 272963
• Mileage: 69 000

Technical characteristics of the engine block

The presented engine block belongs to the Engines category and is designed for petrol fuel. The V6 configuration ensures smooth power delivery and the refinement typical of Mercedes six-cylinder units. The engine code allows for clear identification in the manufacturer's catalogs and facilitates the selection of compatible accessories and control systems.

The bare engine includes the main block with the cylinder assembly, which allows specialized workshops to utilize existing auxiliary components, such as external accessories, intake, or exhaust systems. This helps optimize repair costs while maintaining a high-quality final result.

Application and selection for Mercedes R171 SLK 350

The V6 petrol engine in the bare block version is dedicated to the Mercedes SLK 350 R171 generation sports roadster, where both dynamics and proper flexibility across the entire rev range are essential. This series unit is a popular choice for replacements in vehicles driven dynamically, as it allows for the restoration of factory performance without the need for costly regeneration of the old block.

When selecting the engine block, it is crucial to compare the engine code and parameters with the vehicle documentation. In workshop practice, this means the ability to easily match it with the existing wiring harness, engine control unit, and transmission system, which reduces installation time and limits the risk of incompatibility.

Benefits of choosing a used engine block

A used V6 engine block from Mercedes is a solution often chosen as a compromise between cost and durability. Compared to a full overhaul of a worn unit, replacing it with a complete block that retains factory tolerances allows you to:

• reduce vehicle downtime in the workshop,
• limit labor costs associated with block machining,
• maintain the original operating characteristics of the powertrain,
• plan further operation and potential upgrades more easily.

Additionally, using existing accessories from the vehicle allows for flexible repair budget management – you invest primarily in the key element, which is the block with the cylinder assembly, while other components can be selected in stages.

Professional installation and operation

To fully utilize the potential offered by the bare engine for Mercedes SLK 350, installation in a specialized service center equipped with appropriate measuring tools and experience in working with Mercedes V6 units is recommended. Proper transfer of accessories, timing adjustment, leak testing, and verification of operating parameters after startup are crucial for long-term and stable operation.

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 other engine blocks or complete power units, check the available parts in the Mercedes Engines category.

Technical support and selection by OEM/VIN

When purchasing a used engine block, correct identification of the unit by OEM numbers and vehicle VIN data is particularly important. This avoids compatibility issues and ensures efficient installation. To better understand how to safely choose used power units and what procedures to follow during their selection, it is worth reading the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, practical aspects of purchasing, cost ratios, and the most common myths regarding used engines.