Mercedes W203 CLK C209 Complete Engine 112.912 112912 170HP 99k miles, 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 W203 CLK C209 Complete Engine 112.912 112912 170HP 99k miles, WARRANTY is a complete powertrain unit from the V6 family, designed for Mercedes C-Class W203 and CLK C209 petrol models. This unit belongs to a highly regarded series of engines, which is considered by mechanics to be a durable construction, well-known in workshops and easy to service. Thanks to the completeness of the accessories, it provides a solid base for a professional engine replacement in vehicles of this generation.

Specifications and technical data

• SKU: A1120107744-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1120107744
• Substitutable numbers: A1120107744, A 112 010 77 44
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 112.912
• Mileage: 99 000

Technical characteristics of the unit

The presented engine belongs to the Engines category and represents a petrol V6 unit, which translates into smooth operation and good flexibility across the entire rev range. The cylinder layout promotes vibration balance, and the petrol configuration allows for smooth power delivery, which is particularly noticeable in daily use and during highway driving.

The code of this unit is widely recognized in the industry, which facilitates the selection of proper service procedures, consumables, and diagnostic software. The engine was designed for use in mid-size and premium vehicles, ensuring a balance between performance and driving comfort, typical for Mercedes cars.

Application in Mercedes W203 and CLK C209

A complete engine of this type is intended for installation in Mercedes C-Class W203 and CLK C209 models, where it serves as the main power source in petrol versions. The unit's design is well known to independent workshops, which facilitates the process of installation, adaptation, and subsequent maintenance. As a result, this solution is frequently chosen both by workshops specializing in the brand and by users looking for a proven powertrain for their car.

The petrol V6 engine proves itself in these models as a compromise between dynamics and comfort, providing adequate power reserves for overtaking and stable operation under long-term load conditions. For the user, this means predictable vehicle behavior and the ability to maintain the car's original driving characteristics after replacing the power unit.

Benefits of choosing a complete used engine

Purchasing a complete, used engine from the Mercedes V6 family is a solution that in many cases allows for significantly lower repair costs compared to rebuilding a heavily worn unit. A used powertrain, after proper verification and installation, can provide a long period of further operation while maintaining factory performance parameters. An additional advantage is the availability of a wide knowledge base and spare parts, which facilitates ongoing maintenance.

The mileage of the unit is an important parameter when planning further operation – it allows for assessing the remaining service life and planning any preventive maintenance after installation. In workshop practice, it is often recommended to combine an engine replacement with an inspection of the accessories and lubrication system, which increases the reliability of the entire powertrain.

Selection by numbers and technical support

When selecting a power unit for a specific vehicle, it is crucial to compare the engine code and part numbers with the car's documentation and manufacturer data. This helps avoid problems with the compatibility of accessories, the engine control unit, or the electrical system. Proper identification is especially important for models where different variants of power units were used during production.

To better understand how to safely buy used power units and what verification procedures are worth applying, the following expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find a discussion of the most common myths, practical tips on selection by numbers, and sample cost calculations.

Additionally, for advanced verification of component compatibility based on manufacturer numbers and markings used by Mercedes, it is worth using the practical tips contained in the article Online parts shopping without risk – 5 proven ways to verify component compatibility by OEM numbers and paint codes, which describes, among other things, the procedures used when selecting engines in vehicles of this brand.

Expansion and modernization of the Mercedes powertrain

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as additional power units, engine blocks, or complete assemblies with accessories, check the available parts in the Mercedes Engines category.

Choosing components from one consistent product group facilitates maintaining the technical integrity of the entire powertrain and speeds up workshop work. This makes it possible to carry out repairs or upgrades in an orderly manner, while maintaining the manufacturer's standards and predictable vehicle performance after installation is complete.