Mercedes W220 M112 Petrol Engine Oil Sump Pan Tray A1120140702

Mercedes W220 M112 Petrol Engine Oil Sump Pan Tray is an original component from the Oil sumps category, designed for petrol-powered engines. Thanks to its factory fitment for the M112 engine in the W220 model, it ensures proper oil collection and return, which translates into stable lubrication and safe operation of the power unit. This is a solution for users looking for a proven, used part with maintained functionality.

Specifications and technical data

• SKU: A1120140702
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1120140702
• Substitutable numbers: A1120140702, A 112 014 07 02
• Fuel type: Petrol
• Category: Oil Sumps

Purpose and function in the lubrication system

The described oil sump is a component of the lower engine section, responsible for storing operating oil in the M112 petrol unit. Its tasks include:

• maintaining the appropriate oil volume in the lubrication system,
• ensuring stable oil suction by the pump, even under variable loads,
• dissipating heat from the oil through contact with flowing air,
• sealing the lower part of the engine block and protecting the interior from external contaminants.

Thanks to its proper geometry and fitment to the specific power unit, the sump supports even lubrication of moving parts, which is important for engine durability and operational parameter stability.

Construction and fitment to the M112 engine

The oil sump in this Mercedes model was designed specifically for the M112 engine layout and the W220 body architecture. This means that:

• the body shape is matched to the engine block and surrounding components,
• the arrangement of mounting points allows for secure bolting to the power unit,
• space is provided for the drain plug and compatibility with the oil intake system,
• the design accounts for the clearance and positioning of the drivetrain in the W220 engine bay.

Such a solution allows for trouble-free installation in place of the factory component, without the need for modifications or adaptations, which is important for both mechanics and users who care about compliance with the manufacturer's design.

Benefits of using an original oil sump

Using an original oil sump in the M112 petrol engine brings a number of practical operational benefits:

• preservation of the factory lubrication system geometry,
• secure sealing of the lower engine section using the appropriate gasket and correct tightening torque,
• compatibility with engine accessories and chassis components,
• reduction of the risk of leaks and oil pressure drops resulting from mismatched replacements.

For users who operate their Mercedes consciously, choosing such a component is a safe service solution, allowing for the restoration of proper operating conditions of the power unit after damage or wear of the previous sump.

Condition, verification, and service application

The item is offered as a used part, which in practice means the possibility of an economical repair while maintaining the manufacturer's original specifications. Before installation, standard service procedures are recommended, such as:

• thorough cleaning of the mating surface to the engine block,
• inspection of the mounting threads and the drain plug socket,
• checking the flatness of the sealing edge,
• using a new gasket in accordance with the manufacturer's recommendations.

A sump prepared in this way can be used both for post-accident repairs and for standard overhaul work within the engine area in a Mercedes W220 with an M112 petrol unit.

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 other sumps, covers, or mounting elements, check the available parts in the Mercedes Oil sumps category.

For drivers who also care about the condition of the chassis and driving comfort, a practical guide regarding suspension may be helpful – more information can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.