Mercedes W207 C207 E 350 CDI Complete Engine 642836 642.836 OM642.836 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 W207 C207 E 350 CDI Complete Engine 642836 642.836 OM642.836 WARRANTY is a complete powertrain unit from the V6 family, designed for E-Class coupe and cabriolet models. The engine belongs to the modern generation of Mercedes diesel units, providing efficient acceleration, good refinement, and effective fuel consumption in daily operation.

Specifications and technical data

• SKU: A6420109397-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420109397
• Substitutable numbers: A6420109397, A 642 010 93 97, A6420104604, A 642 010 46 04
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 642836
• Mileage: 59 000

Technical characteristics of the unit

The presented engine belongs to the Engines category and is a V6 diesel construction, which translates into balanced operation and stable torque development across the entire rev range. The use of six cylinders promotes smooth power delivery, and the modern architecture of the unit allows for comfortable driving both on the highway and in urban traffic.

The unit has been designed to work with Mercedes' advanced onboard electronics, making it a perfect fit for the requirements of the W207/C207 generation E-Class models. The engine is complete, which facilitates its adaptation in the vehicle and limits the need to search for additional components.

Purpose and compatibility

The engine is dedicated to the Mercedes E-Class in coupe and cabriolet versions, where it serves as the main element of the drivetrain. Thanks to the use of a modern diesel design, it provides a favorable compromise between dynamics and economy, which is particularly important in premium class cars used for longer distances.

The unit was developed with integration with factory vehicle systems in mind, such as engine control units, injection systems, or traction control systems. Proper selection of the engine code and part numbers via VIN and OEM allows workshops and users to precisely match the component to the specific vehicle configuration, minimizing the risk of incompatibility.

Condition, mileage, and benefits of purchasing a used engine

The offered unit is a used complete engine, which allows for a significant reduction in repair costs compared to purchasing a brand-new powertrain assembly. The declared mileage of the engine is relatively low for this class of construction, which in practice means preserved operational potential with proper installation and subsequent service maintenance.

Purchasing a complete used engine is particularly beneficial for workshops specializing in the Mercedes brand and for conscious users who are looking for a solution that allows for restoring the full functionality of the vehicle within a rational budget. A well-chosen powertrain unit enables faster repair completion and limits vehicle downtime.

To better understand the advantages of choosing a used powertrain unit and the procedures for selecting it by VIN and OEM numbers, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

Practical installation and operational tips

When planning to replace the powertrain unit in a Mercedes E-Class, it is worth paying attention to several key technical aspects:

• verifying the compatibility of the engine code with the vehicle configuration,
• checking the compatibility of accessories and electrical installation,
• preparing the cooling and lubrication system for operation with the new unit,
• updating or adapting the engine control unit software, if required.

Such an approach allows for stable operation of the drivetrain after installation and limits the risk of irregularities in the functioning of supporting systems. For users and workshops who want to organize the entire process of purchasing parts online, the following guide will be helpful: Safe purchase of used car parts online – a step-by-step guide.

Expanding the drivetrain in the Mercedes brand

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 blocks, cylinder heads, or complete powertrain units, check the available parts in the Mercedes Engines category.