MERCEDES 486057 Right Engine Cylinder Head Benz 163

( Manufacturer Part Number: 486057 ), ( Seller Notes: Rh, 1yr 3yr, Labr Wrnt, Avail ), ( Color: White ), ( Genuine Oem: No ), ( Make: Mercedes-benz ), ( Type: Engine Cylinder Head ), ( Manufacturer Warranty: 90 Day ), ( Interchange Item Code: 306 )

Review MERCEDES benz Used Right Engine Cylinder Head Ml class 163 fits 1998

The **Mercedes-Benz 486057 right engine cylinder head (M111.962, 1998 ML-Class, 163 engine)** is a precision-engineered component designed to deliver the uncompromising performance and reliability synonymous with Mercedes-Benz luxury and engineering excellence. This high-performance cylinder head is specifically tailored for the **M111.962 5.0-liter V8 engine**, which powers the iconic **1998 ML 500 (W163)**, a vehicle renowned for its blend of opulence, handling precision, and robust power delivery. Crafted from high-grade cast aluminum, the cylinder head features a robust and lightweight construction, ensuring optimal thermal efficiency while maintaining structural integrity under the demanding stresses of high-performance driving. The design incorporates **four valves per cylinder** (intake and exhaust) arranged in a pent-roof configuration, allowing for improved airflow and combustion efficiency, which translates to enhanced power output and smoother operation. Critical components such as the **intake and exhaust ports**, **spark plug bores**, and **camshaft lobes** are meticulously machined to exacting tolerances, ensuring seamless interaction with the engine s internal components. The cylinder head also includes **integrated valve springs, retainers, and hydraulic lash adjusters**, which work in tandem to maintain consistent valve clearance and minimize wear, thereby extending the engine s lifespan and preserving its performance characteristics. For the **ML 500 (W163)**, this cylinder head is particularly vital, as it supports the engine s **306 horsepower (SAE net)** and **325 lb-ft of torque**, enabling the vehicle to deliver a seamless blend of acceleration, towing capability, and cruising comfort. Whether used in a restoration project, performance upgrade, or as a direct replacement for a worn or damaged original, this cylinder head embodies Mercedes-Benz s commitment to engineering precision and durability. Its compatibility with the **1998 ML-Class** ensures a perfect fit with the vehicle s original specifications, while its robust construction guarantees long-term reliability, making it an indispensable part for enthusiasts and professionals alike seeking to maintain or enhance the performance of their Mercedes-Benz.

### **Analysis of Purchasing a Used Mercedes-Benz M112 E500 (1998 ML-Class) Engine Cylinder Head (Part Number: 486057, Right Side, 163 cc)**

#### **Pros of Buying a Used Cylinder Head**

1. **Cost Savings** New cylinder heads for a Mercedes M112 engine can be expensive, often ranging between $1,200 and $2,500 or more, depending on the source and condition. A used head can significantly reduce costs, especially if sourced from a reputable seller or salvage yard.

2. **Immediate Availability** Unlike new parts, which may require weeks for shipping, a used cylinder head can often be acquired quickly, reducing downtime for repairs.

3. **Potential for Customization** If the head is in good condition, it may allow for modifications such as porting, valve job, or even swapping for performance upgrades (e.g., a higher-lift cam or forged internals).

4. **Testing and Proven Performance** A used head that has already been installed and run can provide confidence that it functions correctly, assuming it has been properly maintained.

5. **Access to Specialty Parts** Some cylinder heads, especially for older Mercedes engines, are harder to find new. A used head may be the only viable option for restoration projects.

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#### **Cons of Buying a Used Cylinder Head**

1. **Unknown Service History** Without documentation or prior maintenance records, it s impossible to verify if the head has been properly serviced, machined, or repaired. Issues like warping, cracked valves, or worn valve seats may not be immediately apparent.

- **Warping or distortion** (common in high-mileage engines due to overheating).

- **Cracked combustion chambers or exhaust ports** (often caused by detonation or poor cooling).

- **Worn or pitted valve guides/seats** (leading to oil consumption or valve leaks).

- **Faulty springs or retainers** (can cause misfires or catastrophic failure).

- **Residual stress or improper machining** (if it was previously rebuilt without proper procedures).

3. **Compatibility Risks** Even if the part number matches, slight variations in manufacturing tolerances or bolt patterns could cause issues if not properly inspected. The M112 engine has had minor updates over its production run, so ensuring the head fits the exact engine variant is critical.

4. **Quality Control Concerns** Used parts from unknown sources may have been salvaged from poorly maintained vehicles, increasing the likelihood of further problems down the line.

5. **Warranty and Liability Issues** Unlike new parts, a used cylinder head typically comes with no warranty. If it fails shortly after installation, the buyer is responsible for the cost of replacement or repair.

6. **Installation Challenges** If the head was previously removed due to failure (e.g., blown head gasket, cracked block), the surrounding engine components (e.g., cylinder block, gasket surfaces) may also be damaged, requiring additional repairs.

7. **Resale Value Impact** If the head is used in a restoration project, its condition could affect the overall value of the vehicle, especially if the engine is being rebuilt for performance or classic car purposes.

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#### **Key Considerations Before Purchase**

1. **Inspection is Critical**

- **Visual Inspection**: Look for cracks (especially around the valve guides, spark plug holes, or exhaust ports), corrosion, or signs of overheating (discoloration, warping).

- **Ultrasonic Testing**: If possible, use an ultrasonic crack detector to check for hidden fractures.

- **Valve and Seat Condition**: Remove the valves and inspect seats for pitting, glazing, or uneven wear. Guides should be smooth without excessive play.

- **Deck Surface**: Check for flatness (warping can cause gasket leaks). A dial indicator or straightedge can help verify this.

- **Bore and Deck Machining**: If the head has been previously machined, ensure the work was done professionally (e.g., by a Mercedes specialist). Improper machining can lead to thin walls or weak structures.

2. **Source Reputation**

- **Salvage Yards**: Often the cheapest option but require thorough inspection.

- **Auction (eBay, Heritage, etc.)**: May offer better documentation but still risky without inspection.

- **Mercedes Specialists or Junkyards with Rebuild Programs**: More expensive but often come with some level of inspection or warranty.

- **Private Sellers**: Convenient but highest risk always verify the head s history.

3. **Budget for Additional Repairs**

- **Valvetrain overhaul** (new valves, springs, retainers, and valve seals).

- **Head gasket and sealing surfaces** (may need resurfacing or new gaskets).

- **Coolant passages** (check for blockages or corrosion).

- **Threaded holes** (spark plug and oil drain holes should be clean and unthreaded).

4. **Alternatives to Consider**

- **Remanufactured Head**: Some companies (e.g., **Mercedes-Benz Parts Specialists, JE, or local rebuilders**) offer remanufactured heads with warranties, often at a lower cost than new.

- **New Head from a Trusted Supplier**: While expensive, a new head ensures compatibility and longevity.

- **Engine Swap or Rebuild**: If the engine is already failing, sometimes it s cheaper to source a complete used engine (e.g., from a wrecked ML-Class) than to repair the existing one.

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#### **Conclusion and Recommendation**

- You have the **time, skills, and tools** to inspect it thoroughly.

- You **verify its history** (e.g., from a trusted source with documentation).

- You **budget for potential additional repairs** (valvetrain, gasket surfaces, etc.).

- The **risk is justified** by the overall project (e.g., a budget restoration where new parts are prohibitive).

- The **high likelihood of hidden damage** in a used head.

- The **lack of warranty or recourse** if the part fails.

- The **potential for more expensive downstream repairs** if the head is incompatible or poorly maintained.

- **If possible, opt for a remanufactured or new cylinder head** from a reputable Mercedes specialist. This ensures compatibility, warranty coverage, and peace of mind.

- **If buying used is the only option**, prioritize sourcing from a **Mercedes rebuild shop or a salvage yard with inspection services**. Have the head **professionally inspected** (ultrasonic testing, valve job, deck surface check) before purchase.

- **Avoid purchasing blindly** from private sellers or unverified online listings without prior inspection.

- **Consider the total cost of ownership**: If the head is part of a larger engine rebuild, factor in the expense of labor, additional parts (gaskets, valves, etc.), and potential engine issues that may arise from using a used component.

For a **1998 ML-Class E500**, the M112 engine is a robust but aging design. If the vehicle is a **project car**, the cost of a used head may be justified. However, for a **daily driver or a vehicle where reliability is critical**, investing in a **new or remanufactured head** is the safer and more cost-effective long-term solution.

Details:

Original parts mean a perfect fit. Unless specified as Universal this is a direct fit Engine Cylinder Head. Th is part fits vehicles made in the following years 1998 ,1999,2000,2001,2002,2003,2004,2005. Parts go back into cars rather than landfill.

163 Type ML320 R. All parts are covered by warranty. Every part is cleaned, tested and inspected by experts.

part #: 486057 price

• $239.99

specifications cylinderheapar:

• for makes: Mercedes
• for years: 1998
• mpn: 486057
• seller notes: Rh, 1yr 3yr, Labr Wrnt, Avail
• color: White
• genuine oem: No
• make: Mercedes-benz
• type: Engine Cylinder Head
• manufacturer warranty: 90 Day
• interchange item code: 306

shipping cylinderheapar:

• type: Fixed
• service: UPS Ground
• carrier: UPS
• cost: $0.00
• class: Standard
• transit: 2-6 Days

offer cylinderheapar:

• best offers: True
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: June 11, 2026
• sold: 0

payments cylinderheapar:

• other
• wallet: Google-pay
• credit card: Visa

seller cylinderheapar:

• # reviews: 4044
• city: Harrison, Michigan
• rating: 99.4%

returns cylinderheapar:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

general cylinderheapar:

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

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