Mercedes W166 W212 Turbocharger Turbo Charger Right O/S M157 A1570900880

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W166 W212 Turbocharger Turbo Charger Right O/S M157 is an original turbocharging system component designed for the right side of the engine in Mercedes vehicles equipped with the M157 unit. Thanks to its factory design, it ensures proper exhaust flow parameters, stable boost pressure, and consistency with the factory engine control unit calibration. This is a solution for users who expect consistency with factory specifications and want to maintain the engine's operating characteristics in accordance with the manufacturer's design.

Specifications and technical data

• SKU: A1570900880-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1570900880
• Substitutable numbers: A1570900880, A 157 090 08 80, 826902-0002, 43855-315, 827054-01, A2780902680A, 2780903080A, 1570900280, A 278 090 26 80 A, 278 090 30 80 A, 157 090 02 80, A1570900180, A 157 090 01 80
• Location on the vehicle: Right
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The right turbocharger in the M157 engine is responsible for boosting one of the cylinder banks of the V8 unit, working in tandem with the turbocharger on the left side. A correctly selected component allows for maintaining an even load on both cylinder banks, stable boost pressure, and proper throttle response across the entire rev range. Using an original turbocharger reduces the risk of differences in operating characteristics between the sides of the engine, which is important for both performance and the durability of the power unit.

Compatibility and replacement numbers

The offered turbocharger belongs to the Turbochargers and parts group and has been designed specifically for use with the M157 engine in Mercedes W166 and W212 class models. The component has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is recommended to compare the markings with service documentation or the existing component to ensure full installation and software compatibility.

Installation characteristics and placement

The turbocharger is intended for installation on the right side of the engine, in accordance with the factory layout of accessories in the M157 engine. Proper placement on the vehicle is crucial for the correct routing of oil lines, cooling, as well as the intake and exhaust systems. Using the correct component on the right side eliminates the need for installation modifications, facilitates assembly, and allows for maintaining the correct routing of exhaust and charge air channels.

Condition, origin, and advantages of use

The offered turbocharger is an original Mercedes brand component from the used parts group, which means it retains factory geometry, mounting points, and compatibility with engine control systems. Choosing an original component from disassembly allows you to:

• maintain the factory operating parameters of the M157 unit without the need for software modifications,
• maintain compatibility with the factory exhaust and intake system,
• optimize repair costs compared to purchasing a new component.

For users considering different repair options for the turbocharging system, an article discussing the choice between new and used components may be useful – more information can be found in the material Car parts – new or used? We compare costs, quality, and durability.

Support for selection and expansion of the turbocharging system

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 additional turbochargers, control elements, or turbocharging accessory components, check the available parts in the Mercedes Turbochargers and parts category.