1. Car & Truck Engines Used/New Products
  2. sku: 5073725840343781
  3. MERCEDES R350

MERCEDES Engine 300-85136 Benz 251 871554

fits model: R350. make: Mercedes. year: 2009.

300-85136 Mercedes-benz Engine 251 Type R350 Fits 09 R-class 871554

( Part Type: Engine ), ( Conditions Options: Awd, No Key ), ( Genuine Oem: Yes ), ( Ipn: 300-85136 ), ( Make: Mercedes-benz )

Review MERCEDES benz Engine 251 Type Fits R class fits R350 2009

Introducing the Mercedes-Benz 251 R350 09 engine, a masterpiece of automotive engineering that powers the esteemed Mercedes-Benz R-Class. This V6 engine is part of the M272 engine family and is identified by the internal code 300-85136.

Measuring 60 degrees between cylinder banks, the 251 R350 09 engine boasts a displacement of 3.5 liters. It features a compact and lightweight design with a DOHC (Double Overhead Camshaft) configuration, ensuring optimal power and efficiency. The engine delivers an impressive output of 272 horsepower at 6000 rpm and 258 lb-ft of torque at 3400 rpm.

The 251 R350 09 engine is equipped with Mercedes-Benz's advanced technology, including Direct Fuel Injection (DFI), which improves combustion efficiency and reduces emissions. It also features Variable CAM Control (VVC), which optimizes valve timing for various driving conditions, enhancing both performance and fuel economy.

The engine block is made of a high-strength aluminum alloy, contributing to its durability and weight reduction. The cylinder head is also made of aluminum, and it is equipped with four valves per cylinder. The engine is mated to a 7G-Tronic automatic transmission, providing smooth and effortless power delivery.

Additionally, the 251 R350 09 engine features a number of advanced technologies to improve its performance, efficiency, and longevity, such as an advanced oil cooling system, a maintenance-free timing chain, and a multi-layered piston coating. It also meets strict emissions standards, such as EU5 and LEV II, ensuring a clean and eco-friendly driving experience.

In summary, the Mercedes-Benz 251 R350 09 engine is a high-performance and efficient powertrain that delivers impressive power output and torque, while also featuring advanced technologies to improve fuel economy, reduce emissions, and enhance durability. It is a true testament to Mercedes-Benz's commitment to engineering excellence and innovation.

The Mercedes-Benz R-Class with the 3.0L V6 BlueTEC 251 R350 09 engine (model number 300-85136) is a versatile and luxurious full-size SUV. Here are some pros and cons that can help you make an informed decision about purchasing this vehicle:

Pros:

1. Fuel Efficiency: This engine is known for its impressive fuel efficiency compared to other V6 engines in its class. It delivers an EPA-estimated 21 mpg city and 28 mpg highway.

2. Power and Performance: The 3.0L V6 BlueTEC engine produces 210 horsepower and 400 lb-ft of torque, providing a strong and responsive driving experience.

3. Smooth and Quiet: The engine is known for its smooth and quiet operation, contributing to a comfortable and luxurious ride.

4. Advanced Technology: The R-Class comes with a range of advanced features, including a COMAND infotainment system, Bluetooth connectivity, and a rearview camera.

5. Safety: The R-Class comes standard with a host of safety features, including an advanced airbag system, stability control, and a collision prevention system.

Cons:

1. Size and Handling: The R-Class is a large SUV, which can make it difficult to maneuver in tight spaces and park. Its size and weight can also impact its fuel efficiency when driving in the city.

2. Cost: The R-Class is a luxury vehicle, which means it comes with a higher price tag than many other SUVs in its class.

3. Maintenance: The BlueTEC engine requires regular maintenance to ensure it runs efficiently and effectively. This can include periodic maintenance of the diesel particulate filter and exhaust gas recirculation system.

4. Complexity: The R-Class, like many luxury vehicles, can be complex to repair if something goes wrong. This can make repairs more expensive than they would be on a less complex vehicle.

Conclusion:

The Mercedes-Benz R-Class with the 3.0L V6 BlueTEC 251 R350 09 engine offers a combination of power, luxury, and advanced technology. While it comes with some drawbacks, such as its size, cost, and complexity, its impressive fuel efficiency, smooth operation, and advanced safety features make it a compelling option for those in the market for a full-size luxury SUV.

Recommendation:

If you're in the market for a full-size luxury SUV and prioritize fuel efficiency, smooth operation, and advanced safety features, the Mercedes-Benz R-Class with the 3.0L V6 BlueTEC 251 R350 09 engine is a strong contender. However, be prepared for the higher cost of ownership and the complexity of the vehicle. It's always a good idea to test drive the R-Class and compare it to other options in its class to ensure it's the best fit for your needs and budget.

Details:

You are buying a used body part that may need to be repainted. Example if 5D2 was under condition options 5 LOCATION DAMAGE 2 HRS REPAIR.

part #: r350 prices

  • $1709.11-$2190.00

specifications grokengines:

  • for models: R350
  • for makes: Mercedes
  • for years: 2009
  • part type: Engine
  • conditions options: Awd, No Key
  • genuine oem: Yes
  • ipn: 300-85136
  • make: Mercedes-benz

offer grokengines:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: June 17, 2025

seller grokengines:

  • rating: 96.3%
  • # reviews: 3657
  • city: Leesburg, Indiana

returns grokengines:

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

payments grokengines:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

shipping grokengines:

  • class: Standard
  • transit: 4-10 Days
  • service: Standard
  • cost: $300.00
  • type: Fixed

general grokengines:

  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Engines
for models: r350, for makes: mercedes, for years: 2009, part type: engine, conditions options: awd, no key, genuine oem: yes,
manufacturer: mercedes-benz, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 5073725840343781,

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