MERCEDES 307104 Engine Benz 129

( Manufacturer Part Number: 307104 ), ( Manufacturer Warranty: 90 Day ), ( Genuine Oem: Yes ), ( Seller Notes: 5.0l ), ( Make: Mercedes-benz ), ( Interchange Item Code: 300 ), ( Color: Alabaster White ), ( Number Of Valves: 24 ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly )

Review MERCEDES benz Used Engine Complete Assembly Fits 129 Type fits SL5 CLK 2006

The Mercedes-Benz 307.104 engine is a sophisticated powertrain that graces the 2006 CLK 129 SL5 model. This engine is a V6, 24-valve unit, featuring an aluminum alloy construction that not only reduces weight but also enhances its thermal efficiency and durability. With a displacement of 2996 cc, this engine is capable of generating a maximum power output of 228 horsepower at 5500 rpm and a peak torque of 258 Nm at 3400 rpm.

This engine boasts a state-of-the-art common rail direct injection system, which delivers fuel precisely and efficiently to the engine's combustion chambers. It also incorporates a variable intake manifold, allowing for optimal air-fuel mixture at various engine speeds for improved performance and fuel efficiency.

The Mercedes-Benz 307.104 engine is equipped with a number of advanced technologies to ensure smooth and responsive power delivery. These include an electronic throttle control system, which allows for fine adjustments to engine power based on driver input, and an advanced engine management system that continuously monitors engine parameters and adjusts fuel delivery, ignition timing, and other factors to optimize performance and reduce emissions.

Additionally, this engine features a maintenance-free timing chain system, eliminating the need for periodic timing belt replacements, and a refined cooling system that ensures consistent engine temperatures for optimal performance and longevity.

The Mercedes-Benz 307.104 engine is also designed to meet stringent emission standards, with features such as an oxidation catalytic converter, a NOx storage catalytic converter, and a secondary air injection system that help reduce exhaust emissions.

In summary, the Mercedes-Benz 307.104 engine is a high-performance, fuel-efficient, and environmentally responsible powertrain that delivers impressive power output and smooth, responsive performance to the 2006 CLK 129 SL5 model. With its advanced technologies and refined engineering, this engine sets a new standard for power and efficiency in the luxury automotive industry.

The Mercedes-Benz 307.104 engine, which was used in the 2006 Mercedes-Benz CLK 129 SL5, is a 3.5-liter V6 engine that delivers good performance and refinement. Here are some pros and cons of buying this engine:

1. Powerful and Smooth: This engine produces 215 horsepower and 184 lb-ft of torque, providing decent acceleration and smooth power delivery.

2. Fuel Efficiency: Compared to V8 engines, the V6 engine in the CLK SL5 offers better fuel economy, making it a more cost-effective option in the long run.

3. Reliability: Mercedes-Benz engines are known for their durability and reliability, and the 307.104 engine is no exception.

4. Refinement: The engine delivers a refined and quiet operation, making for a comfortable and luxurious driving experience.

1. Maintenance Costs: Mercedes-Benz engines can be expensive to maintain, especially when it comes to regular service and replacement of parts.

2. Complexity: The engine's complexity can lead to potential issues that may require the expertise of a Mercedes-Benz specialist.

3. Age: The engine is now over a decade old, which means that potential buyers may face the risk of encountering pre-existing issues.

The Mercedes-Benz 307.104 engine offers good performance, smooth operation, and refinement, making it an attractive option for those seeking a luxury driving experience. However, potential buyers should be aware of the engine's maintenance costs, complexity, and age, and consider these factors when making their decision.

Before making a purchase, it's recommended that buyers conduct a thorough inspection of the engine, including a check of its service history and any potential issues. Additionally, it may be prudent to consider purchasing an extended warranty or service contract to help mitigate the potential costs of maintenance and repairs. Overall, if the buyer is willing to accept the higher maintenance costs and potential complexities that come with owning a Mercedes-Benz engine, the 307.104 engine in the 2006 Mercedes-Benz CLK 129 SL5 can provide a rewarding and enjoyable driving experience.

Details:

Superseded Part Numbers This item may have been superseded from a different part number this manufacturer. A long block consists of a and head. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. Hospitals, Schools, Farms, storage Units, Home Business, Airports, No Truck/Limited Access zones and Military Bases are not accepted as a valid commercially zoned address.

May need to be changed fit your application these items may or not on the engine. All seals, gaskets, and filters MUST replaced prior install. Engines are warranted as a long block only. If any of the attaching parts are left on engine, they not covered by warranty. Attached parts Wiring, sensors, fuel systems, manifolds, alternators, starters, ac compressors, power steering pumps, throttles, etc. Are NOT included.

Parts go back into cars rather than landfill. This part fits vehicles made in the following years 1999 ,2000,2001,2002,2003,2004,2005, 2006. Every part is cleaned, tested and inspected by experts. These engines are sold with the understanding that wiring, sensors, fuel systems, manifolds, etc.

All parts are covered by warranty. Not just our Heritage, but Legacy Used Engine Complete Assembly fits: 2006 Mercedes-benz Mercedes Clk 129 Type SL5. Original parts mean a perfect fit.

part #: 307104 prices

• $965.18-$1279.99

specifications grokengines:

• for models: Sl5, Clk
• for makes: Mercedes
• for years: 2006
• mpn: 307104
• manufacturer warranty: 90 Day
• genuine oem: Yes
• seller notes: 5.0l
• make: Mercedes-benz
• interchange item code: 300
• color: Alabaster White
• number of valves: 24
• fuel type: Gas
• type: Engine Complete Assembly

returns grokengines:

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

offer grokengines:

• availability: In Stock
• started: October 3, 2025
• quantity: 1
• options: Ship-to-home
• sold: 0

shipping grokengines:

• service: Flat Rate Freight
• cost: $0.00
• class: Freight
• type: Fixed

payments grokengines:

• other
• wallet: Paypal
• credit card: Mastercard

seller grokengines:

• # reviews: 4898
• city: Mobile, Alabama
• rating: 98.8%

general grokengines:

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

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