Mercedes R171 SLK 55 AMG Complete Engine 113989 113.989 360HP 99k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

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

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mercedes R171 SLK 55 AMG Complete Engine 113989 113.989 360HP 99k, WARRANTY is a powerful petrol engine from the AMG family, designed for demanding users who expect dynamic throttle response and the characteristic V8 sound. This complete engine has been engineered for stable performance in sports cars, while providing adequate torque reserve and high refinement. Thanks to its compact design and proven architecture, it serves as a solid foundation for professional repairs or advanced powertrain upgrades.

Specifications and technical data

• SKU: RHD-A1130103744-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1130103744
• Substitutable numbers: A1130103744, A 113 010 37 44
• Fuel type: Petrol
• Number of cylinders: 8
• Category: Engines
• Engine code: 113989
• Mileage: 99 000

Technical characteristics of the AMG V8 unit

The engine used in the Mercedes R171 SLK 55 AMG Complete Engine 113989 113.989 360HP 99k, WARRANTY model belongs to the Engines category and represents a classic, naturally aspirated V8 petrol construction. The eight-cylinder layout ensures smooth power delivery, high flexibility across the entire rev range, and the sporty performance characteristics typical of AMG. The code of this unit allows for unambiguous identification of the design family, which facilitates the selection of accessories and compatible components during installation.

In practice, this means rapid acceleration, stable highway cruising, and predictable behavior under load, which is particularly important in sports-oriented vehicles. The unit was developed with intensive use in mind, while maintaining an appropriate durability reserve for drivers utilizing the full power potential.

Application and compatibility

The presented engine is intended for installation in the Mercedes R171 SLK 55 AMG Complete Engine 113989 113.989 360HP 99k, WARRANTY model, where it serves as the main power source in a configuration typical for the brand's sports roadsters. The unit's design is optimized for compatibility with factory drivetrain, cooling, and control systems, which facilitates integration with the vehicle's original installation.

Thanks to the clear engine code designation, it is possible to precisely match it to a specific trim version, minimizing the risk of installation issues. This solution works well both for replacing a damaged unit and for restoration projects where maintaining compliance with the factory AMG specification is key.

Condition, mileage, and benefits of choosing a used engine

The offered engine comes from a Mercedes vehicle and is a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The documented mileage, characteristic of this offer, allows for an assessment of the wear level and planning of further service work, such as replacing consumables or checking accessories before installation.

Choosing a complete used engine is a sensible solution for workshops and individual customers who expect a favorable price-to-technical-capability ratio. This type of unit allows for reduced vehicle downtime, limited mechanical work, and the preservation of the original driving character typical of AMG.

Why choose an original Mercedes engine

An original engine from the AMG range ensures consistency with the vehicle's factory concept – from power delivery characteristics and sound to interaction with control electronics. Compared to replacements or adaptations of other units, you maintain full compatibility with safety and comfort systems, as well as predictable car behavior in all conditions.

For users who value the authenticity and collector value of AMG models, using an original engine is crucial from the perspective of future resale and compliance with service documentation. This solution is particularly attractive for professional workshops specializing in the Mercedes brand that want to offer customers high-level technical repairs.

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 blocks, cylinder heads, or complete power units, check out the available parts in the Mercedes Engines category.

To compare the characteristics of different power units and better understand potential operating costs, it is worth reading an analysis of problematic designs in other brands – the article Faulty BMW E90 engines: check what can ruin your budget! will be helpful, showing how important it is to make an informed choice of the right engine.

If you are also interested in the ecological aspect and want to know how purchasing a used engine affects the reduction of the carbon footprint, take a look at the guide Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?, which discusses the benefits of reusing original components.