Mercedes A238 E450 OM276.823 4MATIC Engine Crankshaft Crank Shaft A2760301101

Mercedes A238 E450 OM276.823 4MATIC Engine Crankshaft Crank Shaft is a precision component of the crank-piston system designed for a gasoline engine paired with an automatic transmission. The offered crankshaft comes from the Mercedes range, which ensures factory-fit compatibility with the engine unit and the 4MATIC drivetrain. This used component allows for a technically sound engine repair while maintaining cost-effective service expenses.

Specifications and technical data

• SKU: A2760301101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760301101
• Substitutable numbers: A2760301101, A 276 030 11 01
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Crankshafts

Purpose and compatibility

The presented crankshaft is dedicated to the unit designated as OM276.823 in the Mercedes A238 E450 model with 4MATIC drive. The design is optimized for operation with a gasoline engine and an automatic transmission, which is crucial for proper torque transfer and lubrication system performance.

Its original Mercedes origin ensures the maintenance of correct main and connecting rod journal geometry, appropriate fitting tolerances, and compliance with factory requirements regarding dynamic balancing. As a result, the crankshaft can be used as a replacement in professional engine rebuilding without the need for modifications to other sub-assemblies.

Technical characteristics and role in the engine

The crankshaft in the OM276.823 gasoline engine is responsible for converting the reciprocating motion of the pistons into rotational motion, which is then transmitted to the automatic transmission and the 4MATIC drivetrain. High structural rigidity and a carefully selected material ensure stable operation under the loads characteristic of the E450 unit.

In practice, this means:

• maintaining proper crankshaft alignment within the engine block,
• correct interaction with main and connecting rod bearings,
• maintaining the required operating smoothness at various engine speeds,
• consistency with the lubrication and cooling system of the gasoline engine.

By maintaining factory parameters, the crankshaft supports stable oil pressure, uniform bearing load, and predictable engine unit behavior across the entire RPM range.

Application in 4MATIC drive and automatic transmission

In combination with an automatic transmission, the crankshaft operates under specific conditions related to the torque converter characteristics and gear shifting patterns. Proper balancing and geometry of the crankshaft are crucial for reducing vibrations transmitted to the transmission and for smooth cooperation with the 4MATIC drive.

In terms of operation, this means:

• more uniform loading of automatic transmission components,
• stable drivetrain operation during acceleration and downshifts,
• better protection of other engine and drivetrain components against overloads.

Selecting the correct crankshaft for a specific engine-transmission-drivetrain configuration has a direct impact on the durability of the entire drivetrain and driving comfort.

Condition, verification, and assembly recommendations

The offered crankshaft is a used item, which allows for an economical engine rebuild while maintaining the manufacturer's original specifications. Before installation, standard workshop procedures are recommended, such as checking geometry, measuring journal clearances, and assessing surfaces interacting with bearings, in accordance with Mercedes service documentation.

During assembly, it is worth paying attention to:

• using new bearings and mounting bolts in accordance with the manufacturer's guidelines,
• thorough cleaning of the crankshaft oil channels,
• using appropriate tightening torques,
• checking alignment and radial runout after assembling the bottom end of the engine.

Such an approach minimizes the risk of premature wear and allows for fully utilizing the potential of the offered component.

Expanding the scope of repairs and additional materials

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 shafts, mating parts, or crank-piston system components, check the available parts in the Mercedes crankshafts category.

For a better understanding of how to optimally plan your budget for mechanical and body repairs using original parts, it is worth reading the guide: Economical operation of a Ford – where to look for the greatest savings in mechanical and body repairs. The tips contained therein may also be helpful when planning service for other brands.