104992 MERCEDES Engine Motor Block W124 300CE 300SL

Review MERCEDES Mercedes-benz Engine Motor Block 3.0l L6 Oem for W124 300CE 300SL 1990–1993

The Mercedes-Benz W124 300CE and 300SL, produced between 1990 and 1993, are renowned for their sophistication and performance. At the heart of these vehicles lies the M104 3.0L inline-six cylinder engine, specifically identified as the motor block with part number 104.992.

This engine block is a masterpiece of engineering, crafted from high-strength materials to ensure durability and reliability. Measuring 3.0 liters, or 182.7 cubic inches, its dimensions are ideal for delivering a balanced and powerful driving experience. It features six cylinders, arranged in a compact, compact layout that optimizes space and weight.

The 3.0L M104 engine block is designed with a closed-deck construction, which increases rigidity and reduces the possibility of warping due to thermal stress. The cylinder bores are precision-machined to ensure a perfect seal with the piston rings and cylinder liners. The engine block also includes an integrated oil pan, which helps to minimize the overall length of the engine and improve its packaging efficiency.

The block houses a number of advanced engineering features, such as a forged crankshaft, forged connecting rods, and cast pistons. These components work together to provide the engine with excellent durability, and the ability to withstand the rigors of high-performance driving.

The M104 engine block is also equipped with an advanced cooling system, which includes an engine water pump and a thermostat. This system ensures that the engine remains at an optimal operating temperature, even under heavy loads or during prolonged periods of use.

The Mercedes-Benz 104.992 engine block is a testament to the engineering excellence and innovation that has come to define Mercedes-Benz. Its combination of power, reliability, and efficiency makes it an ideal choice for those seeking a premium driving experience. Whether you're restoring a classic W124 or building a high-performance street machine, this engine block is sure to provide the foundation for a truly exceptional vehicle.

Mercedees-Benz W124 300CE/300SL 3.0L M104 Engine Block (104.992): A Detailed Analysis

The Mercedees-Benz W124 300CE/300SL 3.0L M104 engine block (104.992) is a popular choice among car enthusiasts and mechanics due to its robustness and performance. In this analysis, we will discuss the pros and cons of buying this engine block to help you make an informed decision.

1. High-Performance: The M104 engine block is known for its high-performance capabilities. It delivers impressive power and torque, making it an excellent choice for those seeking improved engine performance.

2. Durability: The engine block is built using high-quality materials and advanced engineering techniques, ensuring it can withstand the rigors of daily driving and demanding conditions.

3. Availability: The M104 engine block is widely available in the aftermarket, making it relatively easy to find and purchase, even for older models.

4. Cost-Effective: Compared to other engine options, the M104 engine block can be a cost-effective solution for those looking to upgrade their engine or replace a damaged one.

5. Compatibility: The engine block is compatible with various W124 models, making it a versatile choice for car owners.

1. Complexity: The M104 engine block is a complex piece of machinery, which can make installation and maintenance more challenging for those without the necessary expertise.

2. Potential for Issues: Like any engine block, the M104 engine block can develop issues over time, such as head gasket leaks or valve guide problems.

3. Upgrades: To fully realize the potential of the M104 engine block, you may need to invest in additional upgrades, such as performance chips, exhaust systems, or fuel injectors.

4. Cost of Upgrades: The cost of upgrades can add up quickly, making the overall cost of owning and operating an M104 engine block more substantial than initially anticipated.

5. Limited Power Output: Compared to modern engines, the M104 engine block may not deliver the same level of power output.

The Mercedees-Benz W124 300CE/300SL 3.0L M104 engine block (104.992) offers several advantages, including high-performance capabilities, durability, availability, and cost-effectiveness. However, it also comes with some disadvantages, such as complexity, potential for issues, cost of upgrades, and limited power output. Ultimately, the decision to buy this engine block depends on your specific needs, expertise, and budget. If you are looking for a robust, high-performance engine block that is compatible with your W124 model and can be cost-effectively sourced, the M104 engine block (104.992) may be an excellent choice for you.

For those considering purchasing the M104 engine block (104.992) for their Mercedees-Benz W124, it is essential to do thorough research, compare prices from various suppliers, and consider the costs associated with installation, maintenance, and potential upgrades. Additionally, consulting with a knowledgeable mechanic or engine specialist can help ensure a successful installation and optimal engine performance.

Details:

Engine block is in good working condition. 90-93 mercede W124 300CE 300SL: engine motor block 3.0l l6 M104: 104.992 oem: original Mercedes part. Please, do not purchase parts just to check and diagnose your vehicles problem. Item may show light scuffs, scratches or other imperfections as a result of this being used part.

Shipping cost or carrier may change, based on final destination. Large items include: hood, door shell, fender, engine, transmission, trunk hatch, windshield, bumper, reinforcement clip, sub frame, roof, quarter apron, gas tank, etc. All of the parts are tested either before or after removal from vehicle.

specifications engineblocksam:

• for models: W124, 300ce, 300sl
• for years: 1990–1993
• brand: Mercedes
• mpn: 104992
• part type: Engine Motor Block
• ipn: 3.0l
• oe/oem part number: 104992, A1040102508, A6010110108, A6040100014, A1040300501, A1040300801, A1040300901, A1040311401, A6030301001, A6060310101, A1040320004, A1040301403, A1020301020, A1020302420, A1020302620, A1040111201, 10499212010278

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

offer engineblocksam:

• options: ship-to-home
• sold #: 7
• started: march 20, 2026
• availability: in stock
• in stock #: 5
• best offers: true
• prices: $43.89–$567.23
• item condition:
  • Used
  • New
  • Gebraucht
  • Brand New
  • Neu

seller engineblocksam:

• city: kaufman, texas
• rating: 99.8%
• # reviews: 53802

returns engineblocksam:

• policy: returns accepted
• paid by: buyer
• time: 30 days

payments engineblocksam:

• other
• credit card: diners-club
• wallet: apple-pay

shipping engineblocksam:

• type: fixed
• service: flat rate freight
• class: freight