MERCEDES 112-030-26-01 Engine Crankshaft Benz 3.2L

( Manufacturer Part Number: 112-030-26-01 ), ( Part Type: Engine Crankshaft ), ( Manufacturer Warranty: 1 Month )

Review MERCEDES benz 3.2l Engine Crankshaft Oem fits CLK320 1998–2003

The **Mercedes-Benz 112-030-26-01** is a meticulously engineered crankshaft designed specifically for the **3.2-liter V6 engine** found in the **CLK-Class (W209) models from 1998 to 2003**, including the **CLK320, CLK32 AMG, and CLK320 Kompressor**. This forged steel crankshaft is a critical component of the engine s power delivery system, ensuring smooth operation, durability, and optimal performance under high-stress conditions. Crafted from high-grade alloy steel, it undergoes a rigorous forging process to achieve precise dimensional accuracy and internal balance, minimizing vibration and wear while maximizing efficiency. The crankshaft features **five main journals** (including the center journal) and **three counterweights**, each dynamically balanced to reduce parasitic losses and enhance engine longevity. Its **precision-ground surfaces** and **hardened bearing journals** provide superior resistance to fatigue and scoring, making it ideal for both stock and modified applications. Whether installed in a high-performance AMG variant or a naturally aspirated CLK320, this crankshaft delivers the structural integrity required to handle the torque demands of Mercedes-Benz s legendary 3.2-liter M112 engine family. For enthusiasts seeking reliability, precision, or a restoration-grade replacement, the **112-030-26-01** is an essential component that upholds the performance legacy of the CLK-Class.

### Pros and Cons of Buying a 1998 2003 Mercedes-Benz CLK320 (3.2L M112 Engine) with the Part Number 112-030-26-01 (Crankshaft)

#### **Pros**

1. **Performance and Power** The M112 3.2L V6 engine is a robust unit capable of producing around 231 258 horsepower, depending on the year and tuning. It offers a smooth, refined driving experience with strong mid-range torque, making it suitable for both highway cruising and spirited driving.

2. **Reliability of the M112 Engine** When properly maintained, the M112 is known for its durability. Many examples last well beyond 200,000 miles with regular oil changes, valve adjustments, and minor upkeep. The 3.2L version is less prone to the oil consumption issues that plagued some earlier M112 models.

3. **Luxury and Comfort** The CLK320 is a luxury coupe with high-quality materials, a comfortable ride, and a refined interior. The convertible top (if present) adds to its appeal for those who enjoy open-air driving.

4. **Aftermarket Support** The M112 engine has a strong aftermarket following, with readily available parts, performance upgrades (e.g., intake, exhaust, ECU tuning), and tuning communities (like MB Performance, JB4, or custom ECU tuning) to enhance power and drivability.

5. **Classic Status** The CLK320 is a sought-after classic luxury car, especially in convertible form. Well-maintained examples appreciate in value over time, making it a potential investment if restored or preserved.

6. **Convertible Top (if applicable)** If the car is a convertible (CLK320 Cabriolet), the ability to lower the roof for open-air driving adds significant enjoyment, particularly in warmer climates.

7. **Resale Value Potential** With proper maintenance and a clean history, a low-mileage CLK320 can hold its value well, especially if it s a desirable model year (e.g., 2000 2002).

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#### **Cons**

- **Suspension** (shocks, struts, bushings, and control arms wear out over time).

- **Brakes** (high-performance rotors and pads are costly).

- **Electrical issues** (common in older Mercedes, such as faulty sensors, wiring harnesses, or infotainment glitches).

- **Transmission** (the 722.6 automatic is reliable but requires proper fluid changes; manual models are less common and may have wear).

2. **Oil Consumption (if present)** Some M112 engines, particularly those with higher mileage, develop oil consumption issues. This can lead to frequent top-ups or even more serious engine problems if ignored. Always check for oil leaks or excessive consumption before buying.

3. **Convertible Top Reliability** If the car is a convertible, the soft top can be a weak point. Rubber seals degrade over time, leading to leaks, and the mechanism can become stiff or fail. Regular servicing is required to keep it functional.

- **Timing chain/guide wear** (can lead to rattles or timing issues if neglected).

- **Water pump failure** (often linked to the timing chain system).

- **Power steering leaks** (common in older models).

- **Exhaust manifold cracks** (especially on the passenger side).

5. **Fuel Economy** The 3.2L V6 is not fuel-efficient by modern standards, averaging around **16 18 MPG combined**. High fuel costs can add up over time.

6. **Rust** Depending on the region and climate, the CLK320 may suffer from rust in the wheel wells, rocker panels, or undercarriage. A thorough inspection is essential.

7. **Depreciation** While some luxury cars appreciate, the CLK320 has seen steady depreciation over the years. Unless you plan to restore or modify it, the resale value may not justify the purchase price.

8. **Driving Dynamics** The CLK320 is not as nimble as modern sports cars. The weight and suspension setup make it more of a comfortable grand tourer than a high-performance driver s car.

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### **Ending Conclusion**

The 1998 2003 Mercedes-Benz CLK320 with the M112 3.2L engine is a **strong choice for enthusiasts who prioritize luxury, driving pleasure, and potential for modification**. It offers a balance of power, comfort, and aftermarket support, making it ideal for those who enjoy classic luxury cars and are willing to invest in maintenance. However, it is **not a low-maintenance or budget-friendly purchase** expect higher-than-average repair costs, especially for parts and labor.

If you are looking for a **daily driver**, weigh the pros and cons carefully, particularly regarding reliability, fuel costs, and maintenance. If you are a **restorer or modifier**, the CLK320 can be a rewarding project with the right approach. For those seeking **modern efficiency or performance**, this car may not be the best fit.

---

### **Recommendation**

- You have experience with Mercedes or are prepared to invest in maintenance.

- The car has a **clean service history** with proof of regular oil changes, valve adjustments, and transmission service.

- A **pre-purchase inspection (PPI)** is conducted by a trusted Mercedes specialist.

- You are okay with higher insurance and fuel costs.

- You plan to **modify or restore** the car and enjoy the process.

- You are looking for a **low-cost, low-maintenance** vehicle.

- The car shows signs of **neglect** (oil leaks, rust, poor electrical systems).

- You cannot afford unexpected repairs (budget at least **$1,000 $2,000/year** for maintenance).

- You prioritize **fuel efficiency or modern technology** over classic luxury.

- **Test drive thoroughly** (listen for unusual noises, check for leaks, test the transmission).

- **Get a detailed inspection** from a Mercedes specialist.

- **Consider a lower-mileage example** (under 100,000 miles) if possible.

- **Factor in long-term costs** insurance, fuel, and parts will be higher than average.

If you are committed to the project and can handle the responsibilities, the CLK320 can be an **excellent and enjoyable** addition to your collection. Otherwise, consider alternatives like a **BMW 330i, Audi S4, or a well-maintained luxury sedan** for a more practical luxury experience.

Details:

FREE shipping is within the continental USA 48 States. 1998 2003 MERCEDES BENZ CLK320 3.2L ENGINE CRANKSHAFT 112-030-26-01 OEM NORMAL WEAR AND TEAR.

part #: 1120302601 prices

• $149.99-$996.00

specifications cranshafengin:

• for models: Clk320
• for makes: Mercedes
• for years: 1998-2003
• mpn: 112-030-26-01
• part type: Engine Crankshaft
• manufacturer warranty: 1 Month

returns cranshafengin:

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

shipping cranshafengin:

• transit: 3-6 Days
• type: Fixed
• cost: $0.00
• service: Standard
• class: Standard

general cranshafengin:

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

offer cranshafengin:

• sold: 0
• options: Ship-to-home
• started: February 27, 2026
• availability: In Stock
• quantity: 1

payments cranshafengin:

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

seller cranshafengin:

• city: Houston, Texas
• rating: 100.0%
• # reviews: 68132

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