Mercedes W164 W211 OM642 Diesel Turbocharger Turbo Charger A6420905980

The Mercedes W164 W211 OM642 Diesel Turbine Turbocharger is an original equipment component designed for the OM642 diesel engines used in the popular Mercedes M-Class (W164) and E-Class (W211) models. This turbocharger ensures stable engine performance, proper boost, and predictable engine behavior throughout the entire RPM range.

Specifications and technical data

• SKU: A6420905980
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420905980
• Substitutable numbers: A6420905980, A 642 090 59 80
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Turbos & Parts

Technical characteristics of the turbocharger

This turbocharger is classified as a turbocharger and parts, meaning it's a key component responsible for increasing the amount of air delivered to the diesel engine's cylinders. Designed specifically for the OM642 engine, it ensures proper boost pressure, dynamic throttle response, and proper integration with the factory engine control system.

Its front-mounted location promotes efficient cooling and proper routing of the intake and exhaust ducts. The turbocharger is designed for diesel fuel, so its geometry, bearings, and flow characteristics are tailored to the specific needs of Mercedes diesel engines.

Intended use and compatibility with Mercedes W164 / W211

Mercedes W164 W211 OM642 Diesel Turbine Turbocharger is designed as a component of the supercharging system in Mercedes vehicles equipped with the OM642 engine. Using an original turbocharger from this series allows for the preservation of:

• factory power and torque parameters,
• correct cooperation with the injection system and engine controller,
• stable performance in city and highway conditions,
• consistency with the factory exhaust and intake system.

Selecting a turbocharger designed for a specific engine and body type reduces the risk of installation problems, leaks, or charging control errors. This is particularly important in modern diesel engines, where the charging system is closely integrated with the vehicle's electronics.

Used condition – a conscious technical choice

The turbocharger offered is in used condition, representing a reasonable compromise between cost and functionality. Choosing an original, used part from this series often ensures better fit and durability than many aftermarket replacements of unknown origin. For users who want to maintain their vehicle in accordance with factory specifications, this is a technically sound and economically advantageous solution.

Before installation, a standard workshop procedure is recommended: checking the lubrication system, intake and exhaust lines and the tightness of the installation, so that the newly installed turbocharger can operate in optimal conditions.

Benefits of installing a dedicated turbocharger

The use of a turbocharger adapted to the OM642 engine in the Mercedes W164 / W211 brings a number of practical benefits:

• stable boost characteristics – correct response to load and smooth power development,
• maintaining the factory engine operating culture,
• reducing the risk of errors in the engine controller related to incorrect charging,
• the possibility of further use of the vehicle without the need for expensive replacement with a new OEM element.

For users who value the technical integrity of the drive system, choosing an original turbocharger in used condition is a rational solution that allows them to keep their vehicle in good operating condition.

Ecology and economics of used turbochargers

By choosing a used turbocharger, you're not only supporting your budget but also reducing waste in the automotive industry. Reusing functional turbocharger components is consistent with responsible vehicle operation. If you'd like to learn more about consciously using used parts, check out the article "Eco-Driving: Discover the Benefits of Used Car Parts ," which discusses the practical aspects of this approach.

If you're wondering whether new or used is the better choice for you, the comparison described in " New or Used? Comparing the Cost and Quality of Car Parts" may be helpful, where you'll find specific examples and tips for selecting parts.

Other turbochargers for Mercedes

If you are also looking for other turbochargers for Mercedes, check the available models in the turbochargers for Mercedes category to choose the element best suited to the specific engine version and body of your car.