fits model: W221, S550, M273. make: Mercedes. year: 2007–2009.

( Manufacturer Part Number: A2730104400 ), ( Type: Complete Assembly ), ( Ipn: 273-010-44-00 ), ( Engine Size: 5.5 L ), ( Fuel Type: Gasoline )
The Mercedes-Benz W221 S550 5.5L M273 engine motor block 07-09, with the specific part number 000.071.223.181.06, is a crucial component of the V8 powertrain that powers some models of the Mercedes-Benz S-Class produced between 2005 and 2009. This motor block is an integral part of the M273 engine, which is a 5463 cc, 90-degree V8 powerhouse.
In essence, the motor block serves as the foundation and container for the internal engine components such as the crankshaft, pistons, connecting rods, and cylinder liners. It holds all these parts together and provides essential functions like engine cooling, oil flow, and pressure management.
This 07-09 Mercedes-Benz W221 S550 5.5L M273 engine motor block has undergone a remarkably high mileage of approximately 169,000 miles. Despite the mileage racked up, this component remains an excellent investment for those individuals looking to restore their vehicles or extend their existing engine's lifespan.
The motor block is produced with the unwavering engineering precision that Mercedes-Benz is renowned for, ensuring a high level of durability, reliability, and performance. The M273 engine is expertly crafted using advanced aluminum alloy, which offers reduced weight, increased strength, and improved heat dissipation capabilities.
Installation of the 07-09 Mercedes-Benz W221 S550 5.5L M273 engine motor block requires a significant level of expertise and familiarity with the Mercedes-Benz S-Class V8 engine. A professional mechanic or trained technician should install and align the component properly, allowing for maximum performance and longevity.
desired by classic car enthusiasts and Mercedes-Benz aficionados, the W221 S550 5.5L M273 engine motor block is a valuable addition to any collection or restoration project. To ensure the continued operation of your vehicle or to maximize its potential, investing in a genuine Mercedes-Benz motor block from reputable sources is a must.
a) Power and Performance: This engine offers an impressive power output of 387 horsepower at 5,200 rpm and 391 lb-ft of torque at 2,800 rpm.this results in smooth and powerful acceleration.
b) Fuel Efficiency: Compared to other vehicles in its class, this engine offers decent fuel economy, delivering an Estimated Fuel Economy of 14 City /17 Highway (MPG) according to the EPA.
c) Reliability: Mercedes-Benz is renowned for producing high-quality engines. The M273 engine block, in particular, is known for its durability, offering a long-lasting and reliable service life to its owners.
d) Luxury and Comfort: The S550 is a premium vehicle, and its 5.5L M273 engine contributes significantly to the overall driving experience. The luxurious cabin, advanced features, and refined engine note add to the vehicle's appeal.
2. Cons:a) Maintenance Costs: Mercedes-Benz engines are known to be pricey to maintain.The 5.5L M273 engine, in particular, requires frequent oil changes and filters as well as periodic services to keep it running at optimal performance.
b) Emissions and Environmental Impact: The 5.5L V8 engine does not fare well in terms of emissions. This engine emits more greenhouse gases compared to smaller, more fuel-efficient engines and may result in increased fuel consumption.
c) Size and Weight: The 5.5L M273 engine is quite large and heavy, which impacts the vehicle's fuel economy and overall performance, as well as its maneuverability in tight spaces. This could be a potential drawback depending on the owner's specific usage scenario.
Conclusion:The Mercedes-Benz W221 S550 5.5L M273 engine offers several advantages, including impressive power and performance, decent fuel economy, reliability, and the overall luxury and comfort of the S550 model. On the downside, this engine comes with higher maintenance costs, greater emissions, and additional size and weight.
If you are a driver who prioritizes power, luxury, and performance in your vehicle, the Mercedes-Benz W221 S550 with the 5.5L M273 engine can be a compelling choice. However, if you are more concerned with fuel efficiency, lower maintenance costs, or reducing your carbon footprint, this engine may not be the best option for you.In conclusion, it's crucial to weigh these advantages and disadvantages carefully and consider your individual needs and preferences before making this investment.
Model: Mercedes S550. ENGINE 5.5L V8 M273. STOCK NUMBER: #262. 169k mil!.: Any Issues.
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