MERCEDES 273961 Engine Motor Block 07-08-09-10-11 Benz 30226458 5.5L V8

( Manufacturer Part Number: 273961 ), ( Country/region Of Manufacture: Germany ), ( Oe/oem Part Number: Oem ), ( Ipn: 07 08 09 10 11 ), ( Type: Complete Assembly ), ( Engine Size: 5.5 L ), ( Fuel Type: Gasoline ), ( Manufacturer Warranty: 6 Month )

Review MERCEDES benz 5.5l V8 Complete Engine Motor Block Assembly Oem fits W221 S550 CL550 2007–2011

The Mercedes-Benz W221 S550 and CL550 models, produced between 2007 and 2011, feature a powerful and sophisticated 5.5L V8 engine with the motor block designation 30226458 07-11. This engine block is a key component of the powertrain, responsible for housing the cylinders and crankshaft that transfer the force of the fuel explosion to the transmission.

The 5.5L V8 engine is renowned for its exceptional balance of power and efficiency. The engine block is made from a high-strength aluminum alloy, which provides both rigidity and lightweight properties. The block's design incorporates various features to enhance engine performance and durability.

One such feature is the use of a closed-deck design, which increases the cylinder compression ratio and reduces the amount of oil consumption. The engine block also includes water jackets that ensure efficient cooling of the engine. Additionally, the block has been engineered to minimize vibrations and reduce noise levels.

The motor block also houses the crankshaft, which converts linear motion from the cylinders into rotational motion to drive the vehicle. The crankshaft is made from a forged steel material, ensuring high strength and durability. The journal bearings that support the crankshaft are also designed to minimize friction and wear.

The cylinder bores in the engine block are lined with nickel-plated iron sleeves, which provide a durable surface for the pistons to slide against. The cylinder walls are also designed with a pent-roof shape, which improves the engine's combustion efficiency and reduces emissions.

The motor block is manufactured to meet the highest standards of quality and precision. Each engine block undergoes a rigorous inspection process to ensure that it meets the stringent specifications set by Mercedes-Benz. The engine block is then installed in the engine assembly line, where it is mated with other components, such as the crankshaft, pistons, and cylinder heads, to create a complete and functional engine.

In summary, the Mercedes-Benz 30226458 07-11 motor block is a critical component of the S550 and CL550 5.5L V8 engines produced between 2007 and 2011. Its lightweight yet robust design, incorporating advanced features such as a closed-deck design and efficient cooling system, makes it a key contributor to the engine's impressive power and efficiency. The meticulous manufacturing process ensures that each motor block meets the highest standards of quality and reliability, making it a valuable addition to the Mercedes-Benz powertrain lineup.

The Mercedes-Benz W221 S550/CL550 with the 5.5L V8 engine, specifically the motor block with the part numbers 273961 and 30226458, is a high-performance luxury vehicle engine. Here are some pros and cons of buying this engine block.

1. Power and Performance: The 5.5L V8 engine is known for its power and performance. This engine block is capable of delivering impressive horsepower and torque, making it an attractive option for those seeking a high-performance luxury vehicle.

2. Durability: Mercedes-Benz engines are known for their durability and reliability. This engine block is no exception. It is made of high-quality materials and is designed to last for a long time.

3. Refinement: The V8 engine produces a smooth and refined sound, which is a hallmark of Mercedes-Benz vehicles. This engine block is no different, providing a luxurious driving experience.

1. Cost: The 5.5L V8 engine is a high-performance engine, and as such, it comes with a high price tag. The cost of the engine block itself, as well as the cost of installation and maintenance, can be significant.

2. Complexity: The V8 engine is a complex machine, with many moving parts and intricate systems. This complexity can make repairs and maintenance more difficult and expensive.

3. Fuel Efficiency: The V8 engine is not known for its fuel efficiency. It consumes more fuel than smaller engines, which can lead to higher operating costs over time.

The Mercedes-Benz W221 S550/CL550 5.5L V8 engine motor block is a high-performance and durable engine, but it comes with a significant cost and complexity. Those seeking power, performance, and luxury may find the benefits worth the investment, while others may prefer a more cost-effective and efficient engine option.

If you are in the market for a high-performance luxury vehicle engine and have the budget for it, the Mercedes-Benz W221 S550/CL550 5.5L V8 engine motor block is an excellent choice. However, if cost and fuel efficiency are more important considerations, you may want to explore other engine options. Ultimately, the decision depends on your individual needs and preferences.

Details:

These items can only be shipped to a COMMERCIAL address with an available dock or forklift for unloading. Most items ship next day. Most questions are answered within a couple of hours. Item Condition.

part #: 273961 prices

• $150.00-$222.50

specifications grokengines:

• for models: W221, S550, Cl550
• for makes: Mercedes
• for years: 2007-2011
• mpn: 273961
• country/region of manufacture: Germany
• oe/oem part number: Oem
• ipn: 07 08 09 10 11
• type: Complete Assembly
• engine size: 5.5 L
• fuel type: Gasoline
• manufacturer warranty: 6 Month

shipping grokengines:

• cost: $150.00
• service: FedEx Ground or FedEx Home Delivery
• carrier: FedEx
• transit: 5-9 Days
• type: Fixed
• class: Standard

seller grokengines:

• city: Yuba City, CA
• # reviews: 4600
• rating: 99.1%

offer grokengines:

• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: May 9, 2025

payments grokengines:

• credit card: Visa
• other
• wallet: Google-pay

returns grokengines:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general grokengines:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Engines

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