Mercedes W203 270 CDI Complete Engine 612962 612.962 with 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 270 CDI Complete Engine 612962 612.962 with 99k miles, WARRANTY is an original powertrain unit from the Engines category, designed for Mercedes vehicles with a diesel fuel system. The completeness of the assembly and its factory design make it a particularly attractive solution for those looking for a proven, technically matched diesel engine for professional repair or replacement. By maintaining factory specifications, the engine ensures predictable performance and stable operation in daily use.

Specifications and technical data

• SKU: A6120106802-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6120106802
• Substitutable numbers: A6120106802, A 612 010 68 02, A 612 010 56 02, A6120105602, A 612 010 66 02, A6120106602, A6120101602, A 612 010 16 02, A 612 010 67 02, A6120106702, A 612 010 17 02, A6120101702
• Fuel type: Diesel
• Number of cylinders: 5
• Category: Engines
• Mileage: 99 000

Technical characteristics of the powertrain unit

The presented engine belongs to the family of Mercedes diesel units, designed for durability and smooth operation. The cylinder layout used ensures good refinement and a proper balance between dynamics and fuel economy. The diesel construction allows for high torque at low and medium RPMs, which translates into efficient acceleration and comfortable long-distance driving.

The engine was developed for long-term operation, which is why it performs particularly well in vehicles used intensively – both in city traffic and over longer distances. The diesel fuel system is optimized for stable operation, which facilitates subsequent diagnostics and servicing.

Purpose and application in Mercedes W203 C 270 CDI

The powertrain unit is dedicated to the Mercedes C-Class W203 generation in the C 270 CDI version, which means full compatibility in terms of construction and installation. As a result, the engine can be used both for standard replacement of a damaged unit and for more advanced service projects where compliance with the factory vehicle configuration is key.

The complete nature of the engine simplifies workshop tasks – the mechanic receives a base for installation without the need to adapt components from other versions. This reduces the risk of compatibility issues and shortens vehicle downtime at the service center.

Benefits of choosing an original used engine

Choosing an original, used engine from the Mercedes family is a solution that often proves cost-effective compared to extensive repairs or the regeneration of heavily worn units. The preserved factory specification facilitates adaptation to the existing electrical installation and vehicle accessories, as well as cooperation with the factory engine control unit.

The engine from this series is valued by workshops for its predictable behavior and good availability of service knowledge. This translates into more efficient diagnostics, easier work planning, and the ability to precisely estimate the scope of maintenance after installation. For the end user, this means more controlled operating costs and a lower risk of unforeseen vehicle downtime.

Condition, mileage, and operational potential

The engine comes from the secondary market, which allows for combining a reasonable purchase cost with the preservation of the original Mercedes design. The declared mileage of the unit indicates further operational potential, assuming proper installation and the use of appropriate service intervals after installation in the vehicle. For workshops and users, this means the possibility of restoring the vehicle's full powertrain efficiency without the need to invest in a new unit.

Before installation, it is recommended to perform standard preparatory activities, such as replacing consumables and checking accessories, which further increases the safety and durability of the entire powertrain. An engine prepared in this way provides a solid base for further, intensive operation.

Mercedes engines – selection and additional information

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.

When choosing a used powertrain unit, it is worth knowing the typical design problems occurring in various makes and models. For comparison with other manufacturers and a better understanding of how engine failures can affect your operating budget, the following article will be helpful: Faulty BMW E90 engines – what can ruin your budget. This will make it easier for you to assess how beneficial it is to use a properly selected, original diesel engine in your Mercedes.