MERCEDES 256-221-10-00 Label Benz

( Manufacturer Part Number: 256-221-10-00 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Mercedes-benz ), ( Parts Included: Only Part Reference 20 On The Diagram Is Included )

Review MERCEDES benz Genuine Information Label fits GLE450 2020

The **Mercedes-Benz 256-221-10-00** is a high-performance, precision-engineered **OEM (Original Equipment Manufacturer) replacement part** designed exclusively for Mercedes-Benz vehicles, specifically tailored to maintain the original integrity, reliability, and performance of the manufacturer s specifications. This part falls under the category of **engine components**, more precisely a **cylinder head cover (valve cover)**, which plays a critical role in protecting the engine s internal mechanisms while ensuring proper sealing, ventilation, and heat dissipation. Crafted from high-quality **cast aluminum alloy**, this valve cover is engineered to withstand extreme temperatures, mechanical stress, and prolonged exposure to engine oils and coolant, all while maintaining dimensional stability to prevent warping or deformation over time. The **256-221-10-00** features a **precision-machined surface** with a **high-quality gasket interface**, designed to create an airtight seal when paired with the correct OEM gasket (typically part number **221-10-00-000** or equivalent), preventing oil leaks, vacuum loss, and contamination of the engine bay. The cover is also equipped with **integrated ventilation ports** that regulate pressure within the combustion chamber, reducing the risk of oil foaming and ensuring optimal engine lubrication. Additionally, this part is manufactured to comply with **Mercedes-Benz s stringent quality standards**, including **laser-welded seams** and **anodized finishes** in some models to enhance durability and resistance to corrosion, particularly in vehicles exposed to harsh environmental conditions. Whether installed in high-performance M-class engines or everyday luxury models, the **256-221-10-00** valve cover is a direct-fit replacement that restores factory specifications, improves engine efficiency, and extends the lifespan of the powertrain making it an indispensable component for both restoration projects and routine maintenance.

### **Analysis of Buying a Mercedes-Benz 256.221.10-00 (W210 or W211 E-Class, likely 1995 2002)**

The **Mercedes-Benz 256.221.10-00** is a **fuel pump control module** (also known as the **fuel pump relay or fuel pump control unit**). This part is critical for controlling the fuel pump in older Mercedes-Benz engines, particularly in the **W210 (1995 2002) and W211 (2002 2005) E-Class models** with **M112, M113, or M271 engines**.

Below is a detailed breakdown of the **pros and cons** of purchasing this part, followed by a **conclusion and recommendation**.

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### **Pros of buying a Mercedes-Benz 256.221.10-00**

1. **Direct OEM Replacement**

- This is an **original Mercedes-Benz part**, meaning it is designed to fit and function exactly as intended by the manufacturer.

- No modifications or compromises in performance or reliability compared to aftermarket alternatives.

2. **Reliability & Longevity**

- Mercedes-Benz components are built to last, especially in well-maintained vehicles.

- The fuel pump control module is a **durable electronic component** that, when functioning correctly, provides consistent fuel delivery.

3. **Compatibility with Diagnostic Systems**

- Since it is an **OEM part**, it will work seamlessly with **Mercedes-Benz diagnostic tools (e.g., STAR, DAS, or third-party tools like OBDLink)** without compatibility issues.

- No risk of **false error codes** or communication problems that can occur with non-OEM parts.

4. **Warranty & Support**

- Purchasing from an **authorized dealer or reputable supplier** may include a **limited warranty** (typically 1 2 years).

- If issues arise, Mercedes-Benz dealerships can provide **technical support or replacements** under warranty.

5. **Prevents Fuel Pump Failure**

- A faulty fuel pump control module can lead to **intermittent fuel delivery, hard starts, or complete fuel pump failure**.

- Replacing it with an **OEM part ensures proper operation**, preventing further engine damage.

6. **Resale Value & Ownership Confidence**

- If you are selling the vehicle later, having **OEM parts** can **increase perceived value** among Mercedes enthusiasts.

- Avoids the stigma of **"cheap aftermarket fixes"** that some buyers dislike.

7. **Ease of Installation**

- The **256.221.10-00** is a **relatively simple replacement** typically involves **unplugging the old module, installing the new one, and resetting the ECU**.

- No major wiring or engine modifications required.

8. **Future-Proofing**

- If the vehicle is **restored or kept long-term**, having **OEM components** ensures **better resale value** and **long-term reliability**.

---

### **Cons of buying a Mercedes-Benz 256.221.10-00**

1. **High Cost Compared to Aftermarket Alternatives**

- The **OEM price is significantly higher** than aftermarket fuel pump relays or control modules.

- Example: A **new OEM 256.221.10-00** can cost **$150 $300**, while a **high-quality aftermarket equivalent** may range from **$30 $80**.

- This makes it **less cost-effective for budget-conscious buyers**.

2. **Longer Lead Times (New Parts)**

- **New OEM parts** may take **weeks to arrive** from Mercedes-Benz or authorized distributors.

- If you need the part **immediately**, you may have to **source a used/refurbished unit**, which introduces risks.

3. **Potential for Counterfeit or Low-Quality OEM Parts**

- Some suppliers (especially online marketplaces) sell **"OEM" parts that are actually counterfeit or refurbished**.

- **Risk of failure** if the part is not genuine, leading to **repeat repairs**.

- Always **verify the supplier s reputation** before purchasing.

4. **Overkill for Minor Issues**

- If the **fuel pump itself is failing** (not just the control module), replacing only the module may **not solve the problem**.

- A **full fuel pump replacement** ( $200 $400) might be needed, making the OEM module an **unnecessary expense**.

5. **No Real Performance Benefit Over Aftermarket**

- Unlike **performance parts**, the **256.221.10-00 does not improve engine power or efficiency** it only ensures **proper fuel delivery**.

- Aftermarket modules (from brands like **Bosch, Valeo, or ACDelco**) are **just as reliable** for basic function.

6. **Dealer Markup on Used Parts**

- If buying a **used/refurbished OEM module**, dealerships may **charge premium prices** due to brand value.

- **Online auctions (eBay, RockAuto) or specialty Mercedes parts stores** often offer better deals.

7. **Potential for ECU Issues After Replacement**

- Some Mercedes-Benz models **require an ECU reset** after replacing electronic components.

- If not properly **reprogrammed or cleared**, the vehicle may **throw error codes (e.g., P0190, P0191, P0193)**.

- Requires **basic diagnostic work** to resolve.

8. **Environmental & Ethical Concerns (New vs. Used)**

- Purchasing **new OEM parts** contributes to **electronic waste** if the old module is discarded.

- **Used/refurbished parts** are a more **eco-friendly** alternative if sourced responsibly.

---

### **Conclusion**

The **Mercedes-Benz 256.221.10-00 fuel pump control module** is a **high-quality, reliable OEM solution** for ensuring proper fuel delivery in **W210/W211 E-Class vehicles**. It is the **best choice for long-term reliability, resale value, and compatibility** with Mercedes-Benz systems.

However, the **high cost, long lead times, and availability of high-quality aftermarket alternatives** make it **less ideal for budget repairs or quick fixes**. If the **fuel pump itself is failing**, replacing just the control module may **not be sufficient**, making the repair **less cost-effective**.

For **most casual owners or those on a budget**, a **reputable aftermarket fuel pump relay (e.g., Bosch 0 261 103 003 or equivalent)** provides **similar reliability at a fraction of the cost**. However, if **long-term reliability, warranty coverage, or resale value** is a priority, the **OEM 256.221.10-00 remains the best option**.

---

### **Final Recommendation**

- **Buy a high-quality aftermarket fuel pump relay** (e.g., **Bosch, Valeo, or ACDelco**) from a **trusted supplier** (RockAuto, Amazon, or a Mercedes specialist).

- **Cost:** $30 $80 (vs. $150 $300 for OEM).

- **Best for:** Budget repairs, short-term use, or vehicles not intended for long-term keeping.

- **Purchase a new or refurbished 256.221.10-00 from an authorized dealer or reputable online supplier** (e.g., **Mercedes-Benz Parts Store, eBay with verified sellers, or specialty Mercedes parts dealers**).

- **Verify authenticity** (check for **original packaging, serial numbers, or supplier reviews**).

- **Cost:** $150 $300 (but ensures **long-term reliability and resale value**).

- **Best for:** Enthusiasts, collectors, or those keeping the vehicle long-term.

- **Consider replacing the entire fuel pump assembly** (OEM or high-quality aftermarket) to **avoid future issues**.

- A **full fuel pump replacement ( $200 $400)** may be more cost-effective than **multiple control module replacements**.

- Before replacing the module, **scan for diagnostic trouble codes (DTCs)** to confirm if the issue is **solely with the control module** or if the **fuel pump, injectors, or ECU** are also faulty.

- **For most buyers:** **Aftermarket fuel pump relay** (cost-effective, reliable).

- **For Mercedes purists or high-value vehicles:** **OEM 256.221.10-00** (best long-term solution).

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 2562211000 prices

• $21.00-$29.25

specifications emissyste:

• for models: Gle450
• for makes: Mercedes
• for years: 2020
• mpn: 256-221-10-00
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Mercedes-benz
• parts included: Only Part Reference 20 On The Diagram Is Included

returns emissyste:

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

shipping emissyste:

• carrier: UPS
• transit: 4-9 Days
• service: UPS Ground, UPS 2nd Day Air
• type: Fixed
• class: Standard, Expedited
• cost: $0.00

seller emissyste:

• # reviews: 1340
• rating: 99.9%
• city: Arlington, Virginia

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

offer emissyste:

• started: April 11, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

payments emissyste:

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

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