Mercedes W203 CL203 C220 C 220 CDI 143HP Bare Engine OM 611962 611.962 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 W203 CL203 C220 C 220 CDI 143HP Bare Engine OM 611962 611.962 WARRANTY is a used diesel unit prepared as a bare engine for professional replacement in C-Class models. Thanks to the preservation of factory specifications and a proven four-cylinder design, it provides a solid base for further equipment installation and mounting in Mercedes C220 CDI family vehicles.

Specifications and technical data

• SKU: A6110109645
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6110109645
• Substitutable numbers: A6110109645, A 611 010 96 45
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the OM 611.962 unit

The presented bare engine belongs to the Engines category and represents the popular family of Mercedes OM 611 diesel units used in the W203 and CL203 generation C-Class models. The four-cylinder design ensures a good balance between refinement and operating economy, which is particularly important in everyday vehicle use.

The engine was designed to run on diesel fuel, which translates into the characteristic diesel torque curve and favorable fuel consumption while maintaining adequate dynamics. The 143HP version is a popular choice as a replacement in the event of major engine damage in a C220 CDI, as it allows for the retention of the vehicle's original driving characteristics.

Application and compatibility

The Mercedes W203 CL203 C220 C 220 CDI 143HP Bare Engine OM 611962 611.962 WARRANTY is primarily intended for installation in W203 generation Mercedes C-Class vehicles and the CL203 coupe version, where units from the OM 611.962 family were used as standard. As a bare engine, it serves as a base for transferring accessories from the previous unit, which allows for optimizing repair costs while maintaining compatibility with the existing vehicle installation.

This type of solution is particularly beneficial in situations where the existing engine has suffered major mechanical or thermal damage, while the accessories (turbo, injectors, manifolds, wiring harness) remain in a condition suitable for further use. Replacing it with a complete bare engine allows for reduced vehicle downtime and restores full performance while maintaining factory operating characteristics.

Condition, mileage, and benefits of choosing a used bare engine

The unit comes from dismantling and is offered as a used bare engine, which allows for combining reasonable purchase costs with the preservation of the original Mercedes design. The declared engine mileage is important information when planning further operation – it allows for assessing the unit's potential and planning any necessary service activities after installation.

Choosing a used OM 611.962 bare engine for a C220 CDI is a good solution for workshops and users who want to restore vehicle performance while maintaining the manufacturer's original specifications, without the need to invest in costly overhauls from scratch. This type of unit will work well both in routine repairs and in comprehensive vehicle restoration after engine failure.

For those who want to maximize the trouble-free operation of such a unit after installation, a guide describing good practices for the operation and maintenance of used components will be useful – you can find them in the article how to extend the life of used car parts, which covers, among other things, issues related to engines from dismantling.

Practical installation and operating tips

Before installing the OM 611.962 bare engine in a Mercedes C220 CDI, standard preparatory activities are recommended, such as checking for leaks, verifying the condition of externally accessible seals, replacing consumables, and carefully fitting accessories from the previous unit. This approach helps reduce the risk of subsequent leaks and facilitates trouble-free engine startup after the swap.

After installation, it is worth paying attention to the correct fuel system bleeding procedure, checking operating parameters when cold and warm, and verifying any error codes stored in the engine control unit. A properly performed startup and the first few hundred kilometers of operation have a significant impact on the unit's future durability, especially in the case of a used bare engine.

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 bare engines, check the available parts in the Mercedes Engines category.

For comparison with other popular diesel units on the market and a better understanding of potential operational problems in different brands, an article describing critical designs in another segment may also be helpful – it is discussed in detail in the entry faulty BMW E90 engines and their typical failures, which allows for an informed approach to the topic of purchasing and operating used engines.