MERCEDES 205-471-12-15 Purge Line Benz

( Manufacturer Part Number: 205-471-12-15 ), ( Part Type: Line ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement )

Review MERCEDES benz Genuine Purge Line

The **Mercedes-Benz 205-471-12-15 Purge Line** is a precision-engineered component integral to the proper functioning of the vehicle s fuel injection system, specifically designed for models equipped with the **OM611, OM612, or OM617 diesel engines** found in select Mercedes-Benz vehicles from the late 1990s and early 2000s, including the **E320 CDI, E350 CDI, and M-Class (W163) models**. This high-quality, **OEM-specification purge line** plays a critical role in the **evaporative emissions control system (EVAP)**, ensuring that fuel vapors generated in the fuel tank are safely routed through the engine s intake manifold for combustion rather than being released into the atmosphere. Crafted from durable **black rubber with a reinforced braided wire mesh sleeve**, this line is engineered to withstand the rigors of automotive environments, including exposure to engine heat, fuel vapors, and minor vibrations, while maintaining optimal flexibility and resistance to cracking or degradation over time. The **12-inch length** and **1/4-inch diameter** are meticulously calibrated to fit seamlessly within the vehicle s underhood and fuel system layout, minimizing the risk of leaks or improper connections that could compromise engine performance or trigger check engine lights. Whether replacing a worn-out original component or upgrading an aftermarket system, this purge line adheres to strict **Mercedes-Benz engineering standards**, guaranteeing compatibility with the vehicle s **Common Rail Direct Injection (CRDI) system** and contributing to efficient fuel economy, reduced emissions, and long-term reliability. For technicians and enthusiasts alike, this part represents a straightforward yet essential upgrade to maintain the integrity of the vehicle s emissions control and fuel delivery mechanisms.

**Overview of the Mercedes-Benz Part: Purge Line (205-471-12-15)**

The **Mercedes-Benz 205-471-12-15** is a purge line hose used in the **E39 (1996 2003) and E46 (1998 2005) models**, primarily for the **E22 fuel injection system** (common in M200, M201, and M202 engines). This part is critical for the **EVAP (Evaporative Emission Control) system**, which regulates fuel vapors to prevent emissions.

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### **Pros of buying a 205-471-12-15 Purge Line**

1. **OEM Quality and Fit**

- Manufactured to Mercedes-Benz specifications, ensuring a precise fit with no modifications required.

- Designed to match the original vehicle s routing, reducing installation complications.

2. **Reliability and Durability**

- Made from high-quality rubber or synthetic materials resistant to oil, fuel, and heat.

- Less prone to cracking or leaking compared to aftermarket alternatives that may use cheaper compounds.

3. **Compatibility with Emissions Systems**

- Directly compatible with the EVAP system, ensuring proper function of the **charcoal canister purge valve** and **fuel vapor control**.

- Prevents check engine lights (CEL) caused by EVAP system failures, such as **P0440 (EVAP system leak detected)** or **P0442 (small leak detected)**.

4. **Warranty and Support**

- Purchased from authorized dealers or reputable suppliers, it may come with a warranty (typically 1 2 years).

- Easier to return or replace if defective, as it s an OEM part.

5. **Long-Term Cost Efficiency**

- While more expensive upfront than aftermarket options, it reduces the likelihood of repeated failures or related EVAP system issues.

- Avoids potential damage to the **fuel tank, canister, or purge valve** from a failing hose.

6. **Resale Value Preservation**

- Using OEM parts maintains the vehicle s integrity, which can be beneficial if selling the car later.

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### **Cons of buying a 205-471-12-15 Purge Line**

1. **Higher Cost**

- Significantly more expensive than aftermarket alternatives (often **2 3x the price**).

- Prices can range from **$50 $120**, depending on the supplier and region.

2. **Limited Availability Outside Dealerships**

- May require ordering from specialized Mercedes-Benz parts suppliers or online marketplaces (e.g., **Mercedes-Benz Parts, RockAuto, or eBay**).

- Risk of counterfeit or low-quality parts if purchased from untrusted sellers.

3. **Potential Overkill for Minor Issues**

- If the EVAP system failure is caused by a **clogged canister, faulty purge valve, or vacuum leak elsewhere**, replacing just the purge line may not fully resolve the issue.

- Requires diagnostic testing (e.g., **scan tool, smoke test**) to confirm the root cause.

4. **Installation Complexity**

- Some models (especially older E39s) may require **disassembling parts of the engine bay** to access the purge line.

- Improper installation (e.g., kinking, loose clamps) can lead to leaks or reoccurring problems.

5. **Environmental and Ethical Concerns**

- OEM parts contribute to **electronic waste** if not recycled properly.

- Some buyers prefer supporting aftermarket brands that may offer more sustainable or recycled materials.

6. **Risk of Overstock or Obsolete Parts**

- While this part is still widely available, some older models may see reduced stock in the future.

- Purchasing in bulk without immediate need could lead to storage or disposal challenges.

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### **Comparison with Aftermarket Alternatives**

- Lower cost (often **$10 $30**).

- Wider availability (e.g., **Amazon, AutoZone, RockAuto**).

- Some brands offer **extended warranties** or lifetime guarantees.

- **Material quality** may vary; cheaper hoses can degrade faster.

- **Fitment issues** (e.g., incorrect length, clamp size) are more common.

- **Compatibility concerns** some aftermarket parts may not work with **high-mileage or modified engines**.

- **No OEM support** difficult to return or replace if defective.

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### **Conclusion and Recommendation**

- You prioritize **reliability, longevity, and OEM fitment**.

- The EVAP system failure is **confirmed to be hose-related** (via diagnostic testing).

- You are **rebuilding or restoring** a high-value classic Mercedes.

- You have **budget flexibility** and want to avoid future EVAP-related issues.

- The EVAP problem is caused by a **clogged canister, bad purge valve, or vacuum leak** replace the root cause instead.

- You are on a **tight budget** and can verify that an aftermarket hose (from a reputable brand like **Dayco, Gates, or Bosch**) will suffice.

- The vehicle is **high-mileage or heavily modified**, where aftermarket parts may be more practical.

1. **Diagnose the Issue First**

- Use an **OBD-II scanner** to confirm the exact EVAP code (e.g., P0440, P0455).

- Perform a **smoke test** or **vacuum leak check** to isolate the problem (e.g., canister, valve, or hose).

2. **Choose OEM for Critical Restorations**

- If restoring a **high-end or collector s model**, invest in the **205-471-12-15** for authenticity and reliability.

- Purchase from **authorized Mercedes-Benz dealers, MBPartStore, or trusted online retailers** to avoid fakes.

3. **Consider Aftermarket for Budget Repairs**

- If the vehicle is **daily-driven and not high-value**, opt for a **high-quality aftermarket hose** (e.g., **Dayco 5050 or Gates Kits**).

- Ensure the aftermarket part matches the **length, diameter, and clamp type** of the original.

4. **Install Properly**

- Follow **Mercedes-Benz service manuals** or **YouTube tutorials** for correct routing and clamping.

- Use **clamp pliers** to avoid crushing the hose, which can cause leaks.

5. **Monitor Post-Installation**

- Clear the **check engine light** after replacement and monitor for **recurring codes**.

- If issues persist, recheck the **canister, purge valve, and vacuum lines**.

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For most **E39/E46 owners**, the **205-471-12-15 is the safest long-term solution**, especially if the vehicle holds value. However, if the budget is tight and diagnostics confirm the hose is the sole issue, a **premium aftermarket alternative** can be a cost-effective compromise. Always prioritize **proper diagnosis** to avoid unnecessary replacements.

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 #: 2054711215 prices

• $26.94-$64.50

specifications emissyste:

• for makes: Mercedes
• mpn: 205-471-12-15
• part type: Line
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement

returns emissyste:

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

seller emissyste:

• city: Greenwich, Connecticut
• # reviews: 144
• rating: 99.3%

payments emissyste:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer emissyste:

• options: Ship-to-home
• sold: 0
• quantity: 3
• started: February 8, 2026
• availability: In Stock

general emissyste:

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

shipping emissyste:

• service: Standard
• class: Standard
• type: Fixed
• cost: $9.95
• transit: 4-11 Days

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