MERCEDES Engine 300-85203 Benz 3.5L 171 V6 78K

( Manufacturer Part Number: SLK350 ), ( Conditions Options: 3.5, At, Rwd ), ( Genuine Oem: Yes ), ( Ipn: 300-85203 ), ( Make: Mercedes-benz ), ( Engine Size: 3.5 L ), ( Fuel Type: Gasoline ), ( Type: Complete Assembly )

Review MERCEDES benz 3.5l Engine 171 Type V6 78k Miles fits SLK350 SLK 2010

The Mercedes-Benz 3.5L engine, specifically model number 85203, is a powerful and sophisticated powertrain option for select Mercedes-Benz vehicles, such as the SLK Class SLK350. Produced in 2010, this V6 engine boasts an impressive displacement of 3,498 cc and delivers a remarkable output of 306 horsepower at 6,500 rpm.

This engine is known for its advanced technology and refined performance. The aluminum alloy construction not only reduces weight but also enhances durability and efficiency. The DOHC (Double Overhead Camshaft) design allows for optimal valve control and improved airflow, ensuring a smooth and responsive driving experience.

The 3.5L engine is equipped with fuel injection technology, which optimizes fuel delivery for maximum combustion efficiency. This results in reduced emissions and improved fuel economy, making it an environmentally-friendly choice. Furthermore, the engine incorporates Mercedes-Benz's legendary CDI (Common Rail Direct Injection) system, delivering fuel directly into the combustion chamber at high pressure, ensuring precise fuel delivery and efficient combustion.

With a total length of approximately 671 mm and a width of around 497 mm, the 3.5L engine is well-suited for use in compact yet powerful vehicles like the SLK350. It boasts a relatively low oil capacity of around 4.1 liters and a coolant capacity of 6.7 liters, requiring regular maintenance for optimal performance.

The 3.5L engine is a testament to Mercedes-Benz's commitment to engineering excellence. Its powerful output, advanced technology, and impressive fuel economy make it an ideal choice for those seeking a dynamic and sophisticated driving experience. With a recorded mileage of 78,000 miles (or approximately 125,000 kilometers), this engine is well-preserved and poised to deliver countless miles of enjoyment.

The Mercedes-Benz SLK 350 (W171) is a two-seat roadster with a 3.5-liter V6 engine. Here are some pros and cons of buying a used 2010 SLK 350 with a 3.5-liter engine and approximately 78,000 miles on it.

1. Powerful Engine: The 3.5-liter V6 engine delivers smooth and robust performance, providing a thrilling driving experience.

2. Agile Handling: The SLK 350 offers excellent handling, making it a fun car to drive, especially on winding roads.

3. Luxurious Interior: The cabin is well-appointed with high-quality materials and advanced features, providing a comfortable and premium driving experience.

4. Reliability: Mercedes-Benz is known for its reliability, and the SLK 350 is no exception. This car is likely to be a dependable choice.

5. Retains Value: Mercedes-Benz cars hold their value well, making it a good investment for those who plan to sell the car in the future.

1. Maintenance Costs: Mercedes-Benz vehicles can be expensive to maintain, and the SLK 350 is no exception. Regular servicing and repairs can add up over time.

2. Limited Rear Visibility: The small rear window and high beltline can make it difficult to see behind the car, which can be a safety concern.

3. Limited Cargo Space: The SLK 350 has limited cargo space, making it a less practical choice for those who need to carry a lot of items.

4. Fuel Economy: The V6 engine is not very fuel-efficient, which can result in higher fuel costs.

5. Ride Comfort: The SLK 350's firm suspension can make for a less comfortable ride, especially on rough roads.

The Mercedes-Benz SLK 350 (W171) with a 3.5-liter engine is a great choice for those who want a powerful, agile, and luxurious roadster. However, it comes with some drawbacks, including higher maintenance costs, limited cargo space, and fuel efficiency. If you can afford the additional costs and live with the drawbacks, this car is an excellent investment.

If you're in the market for a used Mercedes-Benz SLK 350, it's essential to do your due diligence. Inspect the car thoroughly, check its maintenance history, and consider getting a pre-purchase inspection. Additionally, consider other options, such as the BMW Z4 or the Audi TT, to ensure you're making the best decision for your needs and budget.

Details:

No expedited shipping is available.

specifications grokengines:

• for models: Slk350, Slk
• for makes: Mercedes
• for years: 2010
• mpn: Slk350
• conditions options: 3.5, At, Rwd
• genuine oem: Yes
• ipn: 300-85203
• make: Mercedes-benz
• engine size: 3.5 L
• fuel type: Gasoline
• type: Complete Assembly

general grokengines:

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

shipping grokengines:

• cost: $450.00
• service: Flat Rate Freight
• class: Freight
• type: Fixed

returns grokengines:

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

seller grokengines:

• city: Richland, Mississippi
• rating: 99.8%
• # reviews: 48387

payments grokengines:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer grokengines:

• started: December 10, 2025
• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

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