Mercedes ML W164 GL X164 Bare Engine 642820 642.820 39k 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 ML W164 GL X164 Bare Engine 642820 642.820 39k miles, WARRANTY is a used, complete engine block with cylinder heads, sold without accessories, designed for Mercedes SUV models with a diesel unit. The low mileage of this unit makes it an attractive base for professional repair or replacement of a damaged engine in premium class vehicles.

Specifications and technical data

• SKU: A6420103243
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420103243
• Substitutable numbers: A6420103243, A 642 010 32 43
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 642820
• Mileage: 39 000

Application and compatibility

The offered bare engine is intended for Mercedes SUV vehicles, such as the ML W164 and GL X164, equipped with an engine with a code designation consistent with the product description. This type of unit provides a solid foundation for transferring existing accessories, which allows for maintaining the vehicle's factory configuration while replacing a key component of the powertrain.

The engine belongs to the Engines category, which means it is a central element of the powertrain and requires installation by an experienced service center with appropriate technical facilities and access to manufacturer documentation.

Technical characteristics of the unit

The presented unit is a Diesel engine, designed to combine good dynamics with reasonable fuel consumption in heavier SUV segment vehicles. The six-cylinder configuration ensures a level of refinement appropriate for luxury class cars and stable torque delivery, which is essential for towing and driving under full load.

The engine is marked with a dedicated code, which facilitates unambiguous identification in service catalogs and the selection of the correct accessories, control units, and auxiliary components. The low mileage of the unit in the context of this generation of construction means that the engine can be used both in routine repairs and in more advanced renovation projects.

Scope of components and installation options

As a bare engine, it includes the essential part of the crankshaft-piston mechanism and the cylinder heads, without additional accessories such as the fuel injection system, turbocharging, or auxiliary equipment. This configuration is particularly beneficial for workshops that plan to transfer functional components from the previous unit or use new, dedicated parts.

This type of solution allows for:

• maintaining the original configuration of the vehicle's accessories,
• precise matching to the existing electrical installation and control units,
• cost control of the repair by using already owned components.

Benefits of choosing a used engine

Choosing a used engine for a Mercedes ML W164 or GL X164 is a reasonable solution for users who want to restore the vehicle's full performance without the need to invest in a brand-new unit. Limited mileage in relation to typical values found in this class of cars translates into potentially longer further operation after proper installation and servicing.

The six-cylinder diesel unit performs well in highway applications and driving under load, and its design is well known to independent workshops specializing in the Mercedes brand. This facilitates diagnostics, service, and potential regeneration of cooperating components.

Installation recommendations and additional information

Before installation, it is recommended to perform a standard package of service activities: verification of tightness, inspection of the lubrication system, and preparation of the contact surfaces for accessories. Professional installation in a specialized service center allows you to fully utilize the potential of this unit and minimize the risk of subsequent failures.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as blocks, heads, or complete power units, check the available parts in the Mercedes Engines category.

For comparison with other popular diesel designs and a better understanding of typical problems of power units in premium class cars, it is worth reading the guide material: BMW E90 engine failures – what can ruin your budget. This will allow you to better assess how to plan service and operation also in the case of Mercedes engines.