Mercedes W211 E 200 E 220 CDI Bare Engine 646821 646.821 99k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mercedes W211 E 200 E 220 CDI Bare Engine 646821 646.821 99k miles, WARRANTY is a base power unit from the CDI family, designed for E-Class diesel models. The bare engine block provides a solid foundation for professional rebuilding or engine swaps, allowing you to utilize existing components and tailor the configuration to the specific vehicle requirements. This is a solution for users and workshops seeking a technically matched engine foundation while maintaining control over the final assembly.

Specifications and technical data

• SKU: A6460105898
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460105898
• Substitutable numbers: A6460105898, A 646 010 58 98
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 646821
• Mileage: 99 000

Technical characteristics of the engine block

The presented engine block comes from the Mercedes CDI diesel family, designed for economical yet dynamic driving. The four-cylinder construction promotes balanced operation and reduces internal friction, which translates into stable performance parameters. The use of diesel fuel allows for favorable fuel consumption while maintaining adequate flexibility across typical RPM ranges.

The bare engine block is particularly valued in service applications because it allows for the transfer of accessories from the previous unit – including the injection system, turbocharging, or auxiliary equipment – in accordance with the requirements of a specific vehicle configuration. This makes it possible to precisely replicate factory solutions or prepare the unit for individual user needs.

Application in Mercedes W211 E 200 / E 220 CDI

Mercedes W211 E 200 E 220 CDI Bare Engine 646821 646.821 99k miles, WARRANTY is intended for installation in W211 generation E-Class models equipped with four-cylinder diesel units. This type of configuration is often chosen for cars used both on the highway and in urban traffic, where a combination of reasonable performance and predictable operating costs is essential.

The bare engine block will work particularly well in situations where the previous unit has suffered serious mechanical damage, but the accessories remain in a condition suitable for further use. This allows for optimizing repair costs while maintaining compliance with the factory powertrain architecture. Additionally, the unit's mileage allows for an assessment of its further operational potential after proper installation and initial servicing.

Benefits of choosing a bare engine block

Choosing a bare engine block gives the workshop and the vehicle owner great freedom of configuration. You can:

• transfer proven accessories from the previous engine, maintaining known operating parameters,
• select auxiliary components according to the requirements of a specific equipment version,
• carry out a comprehensive overhaul using existing service infrastructure.

This approach is particularly beneficial for intensively used vehicles, where predictability and cost planning are important. The bare engine block from the CDI family provides a solid base for further work, allowing for precise adjustment of the fuel supply, turbocharging, and control systems to a specific W211 unit.

Condition, verification, and preparation for installation

The unit is offered as a used component, which in practice means the necessity for professional assessment before installation – especially regarding tightness, compression, and any signs of previous repairs. For workshops specializing in the Mercedes brand, this is a favorable starting point for preparing the engine according to individual customer requirements, with the possibility of performing additional preventive work.

Before installation, standard service procedures are recommended, such as checking the lubrication system, verifying the condition of seals, and preparing the contact surfaces for accessories. A properly conducted installation process allows you to fully utilize the potential of this unit in daily 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 power units, check 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 the guide on popular designs – the article "Troublesome BMW E90 engines: check what can ruin your budget!" may be helpful, as it shows how important informed engine selection and proper diagnostics are before purchase.

If you are interested in using used components in the context of conscious operation and reducing your carbon footprint, it is also worth checking out the guide on the eco-approach to tuning and repairs, available in the article "Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts".