Mercedes-Benz W168 A160CDI 668940 Complete Engine 668.940 97k 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-Benz W168 A160CDI 668940 Complete Engine 668.940 97k miles, WARRANTY is a factory-spec diesel power unit designed for the W168 A-Class model. This engine comes from a vehicle with a documented mileage, allowing for informed repair planning and continued operation. It is an ideal solution for users seeking an original Mercedes engine with predictable performance parameters and a verified history.

Specifications and technical data

• SKU: A6680100302-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6680100302
• Substitutable numbers: A6680100302, A 668 010 03 02
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the A160 CDI unit

The A160 CDI engine from the W168 family is a compact, four-cylinder diesel unit designed for economical yet dynamic city and suburban driving. The four-cylinder configuration ensures balanced operation, good flexibility in the low and mid-RPM ranges, and predictable behavior under load.

The diesel technology in this model provides favorable fuel consumption while maintaining an adequate torque reserve, which is particularly important in daily use. The unit was developed specifically for the W168 A-Class drivetrain, ensuring full compatibility with the vehicle's factory architecture, cooling system, and control electronics.

Purpose and application in the Mercedes-Benz W168

The offered engine is dedicated to the Mercedes-Benz A-Class W168 generation, specifically the A160 CDI version. The unit's design has been adapted to the specific drivetrain layout of this model, including the characteristic mounting of the power unit in the front part of the chassis.

The range of applications primarily includes:

• comprehensive replacement of a worn or damaged engine in a Mercedes-Benz W168 A160 CDI,
• post-accident repairs involving damage to the powertrain,
• restoration projects for first-generation A-Class vehicles requiring the preservation of original drivetrain specifications.

Thanks to its structural compatibility with the factory vehicle layout, installation is straightforward, without the need for modifications to the basic body or suspension components.

Benefits of choosing an original used engine

Choosing an original Mercedes power unit allows you to maintain the consistency of the entire drivetrain according to the manufacturer's specifications. The offered engine comes from a vehicle with a specific mileage, which facilitates the assessment of component wear and the planning of any necessary maintenance after installation.

Key advantages of this solution include:

• preservation of factory engine performance characteristics and compatibility with accessories,
• predictable maintenance based on Mercedes-Benz technical documentation,
• better integration with the original engine management system and vehicle electrical installation.

For many users, it is also important that an original used engine often fits better into a long-term vehicle maintenance strategy than uncertain replacements of unknown origin.

Condition, verification, and practical installation aspects

The engine is in used condition, which means that a standard preparatory procedure is recommended before installation: leak testing, verification of accessories, replacement of consumables, and adjustment to the current state of the vehicle's systems. Such actions help optimize the unit's durability after the swap and reduce the risk of unplanned service downtime.

Due to the specific design of the A-Class W168, installation should be carried out by a workshop with experience in this model. This facilitates the correct positioning of the powertrain, proper connection of the fuel system, and integration with the existing engine control unit. Thoughtful installation and basic initial service significantly influence the comfort of further operation.

Mercedes engines – choosing the right unit

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.

Expert support and knowledge about power units

When planning major work on the drivetrain, it is worth expanding your knowledge about typical design and operational issues of various engines. A good point of reference can be the analysis of units used in other brands – for example, to see how specific design solutions affect failure rates and service costs, you can read the article Faulty BMW E90 engines: check what can ruin your budget!.

If you also care about maintaining a favorable vehicle value for potential resale, a guide explaining how the choice of original used components affects how the car is perceived by buyers will be helpful – you can find more on this topic in the material Original used parts vs. resale value – how not to lose money?.