Mercedes W220 S350 Complete Engine 112972 112.972 245HP with 89k miles, 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 W220 S350 Complete Engine 112972 112.972 245HP with 89k miles, WARRANTY is a factory power unit from the Mercedes Engines family, designed for use in the S-Class model. It offers solid performance parameters, the operating refinement characteristic of this brand, and a proven design that performs well in daily operation. Thanks to the completeness of its components, it provides a convenient base for a professional engine replacement in the vehicle.

Specifications and technical data

• SKU: A1120101146-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1120101146
• Substitutable numbers: A1120101146, A 112 010 11 46
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 112972
• Mileage: 89 000

Technical characteristics of the unit

The presented engine belongs to the Engines category and was designed as a diesel power unit. The use of a six-cylinder layout ensures smooth operation, good flexibility across a wide rev range, and an adequate torque reserve, which is important for a heavier S-Class limousine. The engine code allows for precise identification of the design version and matching of accessories and controls to the specific vehicle configuration.

The cylinder layout and diesel operating characteristics favor calm, economical driving while maintaining appropriate dynamics. The unit was developed with long-term operation in mind, which, combined with proper maintenance, allows for stable operating parameters in typical road conditions.

Purpose and application in Mercedes W220 S350

The complete engine is dedicated to installation in the Mercedes S-Class W220 generation in the S350 version, where it is responsible for driving the vehicle in a diesel configuration. The unit's design has been optimized for driving comfort, smooth power delivery, and reduced noise and vibration, which is particularly important in luxury class cars. Thanks to the completeness of the engine components, it is possible to efficiently transfer the unit to the vehicle, reducing the need for additional equipment with basic components.

The operating parameters of this unit harmonize well with the character of the limousine – they ensure calm acceleration, an appropriate power reserve at higher speeds, and stable behavior during highway driving. This solution is aimed at users who expect predictable, repeatable drive performance and compatibility with the vehicle's factory systems.

Condition, mileage, and benefits of choosing a used engine

The offered unit is in used condition, with documented mileage, which allows for a realistic assessment of its service history. Such an engine is an attractive alternative to new components, especially in the case of vehicles that are several or a dozen years old, where optimizing repair costs is of key importance. Choosing a complete, used engine allows you to reduce vehicle downtime and the scope of additional workshop work.

To better understand the differences between new and used power units and to learn the principles of selection by identification numbers, it is worth checking out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, procedures for selection by OEM and VIN numbers and repair cost ratios.

Installation tips and selection of the correct unit

Before purchasing, it is recommended to verify the compatibility of the engine code and accessory configuration with the vehicle in which the unit is to be installed. This allows you to avoid problems with the compatibility of controllers, installations, and auxiliary elements. A professional workshop with experience in servicing Mercedes S-Class models will be able to efficiently carry out the replacement process, including checking the fuel system, cooling system, and cooperation with the existing gearbox.

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 power units, check the available parts in the Mercedes Engines category.

Summary

Mercedes W220 S350 Complete Engine 112972 112.972 245HP with 89k miles, WARRANTY is a used, complete six-cylinder diesel unit designed for professional drive replacement in an S-Class limousine. It combines a proven design, characteristic diesel operating refinement, and a favorable cost-to-functionality ratio, making it a practical solution for users looking for a solid engine for their Mercedes.