1. Exhaust & Emission Parts To Buy
  2. sku: 21034988430377793
  3. MERCEDES 155-010-00-14

MERCEDES 155-010-00-14 Engine Crankcase Vent Valve Benz

fits make: Mercedes. year: 2005–2009.

155-010-00-14 Mercedes-benz Genuine Engine Crankcase Vent Valve

( Manufacturer Part Number: 155-010-00-14 ), ( Part Type: Valve Engine Vent ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2005 2006 2007 2008 2009 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MERCEDES benz Genuine Engine Crankcase Vent Valve fits 2005–2009

The **Mercedes-Benz 155-010-00-14 Engine Crankcase Ventilation Valve** is a precision-engineered component designed to maintain optimal pressure balance within the crankcase of select Mercedes-Benz internal combustion engines, ensuring reliable performance, longevity, and compliance with emissions regulations. This critical valve, often referred to as the **PCV (Positive Crankcase Ventilation) valve** or **breather valve**, plays a pivotal role in the engine s breathing system by regulating the flow of blow-by gases unburned fuel and combustion byproducts that escape past the piston rings and into the crankcase. Crafted from high-quality materials, including durable plastic or reinforced elastomers, and featuring a finely calibrated internal mechanism, this valve allows controlled exhaust of these gases back into the intake manifold, preventing harmful buildup of pressure that could lead to oil leaks, sludge formation, or even catastrophic engine damage. The **155-010-00-14** is specifically engineered to match the airflow dynamics of certain Mercedes-Benz engines, such as those found in models like the **M111, M112, or M271** series, where precise ventilation is essential for maintaining engine efficiency and reducing emissions. Its design incorporates a spring-loaded or diaphragm-operated valve mechanism that adjusts dynamically to engine load, ensuring that gases are vented only when necessary while minimizing oil consumption and carbon deposits. Over time, wear or clogging of this valve can lead to symptoms like excessive oil consumption, blue smoke from the exhaust, or a noticeable drop in engine performance, underscoring the importance of regular inspection and replacement as part of routine maintenance. By installing an **OEM-spec 155-010-00-14 valve**, vehicle owners and mechanics can uphold the integrity of their engine s ventilation system, safeguarding against long-term wear and ensuring adherence to stringent automotive emissions standards. This component is a testament to Mercedes-Benz s commitment to engineering reliability, where even seemingly minor parts like the crankcase vent valve contribute significantly to the overall health and performance of the vehicle.

### **Pros and Cons of buying a Mercedes-Benz 155-010-00-14 Engine Crankcase Vent Valve**

#### **Pros:**

1. **Direct OEM Replacement** This part is an original equipment manufacturer (OEM) component, meaning it meets Mercedes-Benz s exact specifications for fit, function, and quality. This reduces the risk of compatibility issues or premature failure compared to aftermarket alternatives.

2. **Reliability and Durability** OEM parts are engineered to the same standards as those installed in new vehicles, ensuring long-term performance and reducing the likelihood of leaks or malfunctions in the crankcase ventilation system.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier may include warranty protection, offering peace of mind in case of defects or early failure.

4. **Compatibility with Original Systems** Since it is designed specifically for Mercedes-Benz engines, it integrates seamlessly with the vehicle s crankcase ventilation system, preventing potential damage from improper sealing or airflow restrictions.

5. **Maintenance of Resale Value** Using genuine parts in repairs helps maintain the vehicle s condition, which can be beneficial if you plan to sell or trade it in later.

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#### **Cons:**

1. **Higher Cost** OEM parts are typically more expensive than aftermarket equivalents. The price of the **155-010-00-14 crankcase vent valve** will likely be significantly higher than a non-branded alternative, increasing the overall repair expense.

2. **Limited Availability** Depending on the region, sourcing genuine Mercedes-Benz parts may require ordering from specialized suppliers or dealers, which could introduce delays if the part is not immediately in stock.

3. **Potential Overkill for Minor Issues** If the crankcase vent valve failure is not critical (e.g., minor leaks or slow degradation), some owners may opt for a cheaper aftermarket part without sacrificing performance. However, this is not recommended for long-term reliability.

4. **Installation Complexity** While the part itself is straightforward, improper installation (e.g., incorrect sealing or routing of hoses) could lead to recurring problems. This may require professional labor, adding to costs.

5. **Environmental and Ethical Considerations** Some consumers prefer aftermarket or remanufactured parts to reduce waste from new manufacturing. However, this is more of a personal or ethical preference than a practical drawback.

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### **Conclusion:**

The **Mercedes-Benz 155-010-00-14 crankcase vent valve** is a high-quality, reliable OEM component that ensures proper engine ventilation and longevity. While it comes at a premium price, the benefits such as exact fit, warranty coverage, and long-term dependability make it the best choice for owners prioritizing performance, resale value, and peace of mind.

For those on a tight budget or dealing with a non-critical issue, aftermarket alternatives *may* be considered, but they carry risks of reduced lifespan or compatibility problems. However, for most Mercedes-Benz owners, the investment in an OEM part is justified, especially if the vehicle is a long-term or high-value asset.

### **Recommendation:**

**Purchase the genuine Mercedes-Benz 155-010-00-14 crankcase vent valve** from an authorized dealer or a trusted online supplier (e.g., MBOL, MBPart, or a dealership parts department). Ensure proper installation by following the vehicle s service manual or consulting a certified mechanic if unsure. If cost is a major concern, verify whether the part is truly necessary before committing, as some failures may be secondary to other engine issues (e.g., oil leaks, PCV system blockages). Always prioritize quality over cost savings in critical engine components.

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 #: 1550100014 prices

  • $1215.77-$1433.07

specifications emissyste:

  • for makes: Mercedes
  • for years: 2005-2009
  • mpn: 155-010-00-14
  • part type: Valve Engine Vent
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • universal fitment: Direct Replacement
  • make: Mercedes-benz
  • year: 2005 2006 2007 2008 2009
  • parts included: Only Part Reference 0 On The Diagram Is Included

payments emissyste:

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

returns emissyste:

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

shipping emissyste:

  • service: Standard
  • transit: 5-11 Days
  • type: Fixed
  • cost: $9.95
  • class: Standard

seller emissyste:

  • rating: 99.2%
  • # reviews: 239
  • city: Greenwich, Connecticut

offer emissyste:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: March 28, 2026
  • sold: 0

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New
for makes: mercedes, for years: 2005-2009, part type: valve engine vent, genuine oem: yes, manufacturer warranty: 1 year, universal fitment: direct replacement, year: 2005 2006 2007 2008 2009, parts included: only part reference 0 on the diagram is included,
manufacturer: mercedes-benz, category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 21034988430377793,
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  • New. Offer #1 priced at $1433.07 + $12.50 shipping estimate = $1445.57* total. +$12.50 shipping
  • New. Offer #2 priced at $1401.04 + $0.00 shipping estimate = $1401.04* total. FREE SHIPPING
  • New. Offer #3 priced at $1215.77 + $9.95 shipping estimate = $1225.72* total. +$9.95 shipping

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