Mercedes C219 CLS 500 550 Complete Engine 273960 273.960 388HP 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 C219 CLS 500 550 Complete Engine 273960 273.960 388HP 99k, WARRANTY is a complete powertrain unit from the V8 family, designed for high-end CLS models. This used petrol engine of this generation allows for a professional replacement of a damaged unit while maintaining factory power characteristics, operating refinement, and compatibility with auxiliary equipment. It is a solution for users who expect a proven design, high performance, and compliance with original specifications.

Specifications and technical data

• SKU: A2730101902-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2730101902
• Substitutable numbers: A2730101902, A 273 010 19 02
• Fuel type: Petrol
• Number of cylinders: 8
• Category: Engines
• Engine code: 273960
• Mileage: 99 000

V8 engine technical characteristics

The presented engine belongs to the Engines category and represents a modern V8 spark-ignition design. The petrol unit ensures smooth power delivery, good throttle response, and the operating refinement characteristic of a V8. The performance of this version is tailored to the dynamic character of the CLS 500 and 550 models, which translates into efficient acceleration both at low and high RPM ranges.

The eight-cylinder configuration promotes even load distribution, and the design solutions used are engineered for long-term operation in premium class vehicles. The engine is complete, which facilitates the process of replacing the entire powertrain unit instead of time-consuming major repairs.

Application in Mercedes C219 CLS 500 / 550

The engine was developed for the Mercedes C219 CLS model in the 500 and 550 versions, where high power harmonizes with the comfortable character of the coupé body. The unit is adapted to work with automatic transmissions used in these models, which allows for maintaining factory gear ratios and shift logic.

Thanks to the preservation of the original engine architecture, installation in the vehicle is based on factory mounting points and standard cooling, intake, and exhaust system solutions. This is important for workshops that want to limit vehicle downtime and avoid structural modifications.

Benefits of installing a complete unit

Choosing a complete engine for the Mercedes CLS 500 / 550 is particularly beneficial in situations where the existing unit has suffered serious mechanical or thermal damage. Instead of extensive regeneration, it is possible to replace the entire powertrain, which facilitates cost control and shortens repair time.

The main advantages of such a solution include:

• Structural consistency – maintaining the original V8 engine concept dedicated to the CLS.
• The ability to restore factory operating parameters of the powertrain.
• Better predictability of the final result compared to partial repair of an old engine.
• Simplified diagnostics after installation thanks to compatibility with factory control systems.

Professional installation and operation

Due to the advanced V8 unit design and integration with vehicle electronics, installation in a specialized service center equipped with appropriate tools and diagnostic facilities is recommended. Proper connection of the wiring, fuel system, and cooling system is crucial for the durability and stable operation of the engine.

Before installation, it is worth planning the replacement of consumables, such as engine oil, oil filter, or coolant, to start operating the unit under the most favorable conditions possible. This allows for reducing the risk of undesirable phenomena in the initial phase of use after replacement.

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 powertrain units, check the available parts in the Mercedes Engines category.

Technical knowledge and engine selection

When choosing a used engine for a premium class car, it is worth knowing the typical design problems occurring in other brands and models to better assess the condition and profitability of the investment. Comparative material regarding faulty units in popular premium segment cars may be helpful – you can find it in the article Faulty BMW E90 engines: check what can ruin your budget!, which shows what symptoms and costs are worth paying attention to when buying a used powertrain.