MAHLE JV5269 Benz Engine Crankshaft Seal Retainer Gasket 639789255013

( Brand: Mahle ), ( Manufacturer Part Number: JV5269 ), ( Part Type: Seal Gasket Engine Crankshaft ), ( Product Type: Engine ), ( UPC: 639789255013 ), ( Fitment Type: Direct Replacement ), ( Partslink Number: 2760100007 ), ( Compatible Make S : Mercedes-benz ), ( Compatible Model S : Sl450, Sl400, Gls450, C43 Amg, C450 Amg, C350, C400, C300, Cls400 ), ( Product Subtype: Crankshafts ), ( Product Details: Engine Crankshaft Seal Retainer Gasket ), ( Department: Replacement )

Review MAHLE Mercedes benz Engine Crankshaft Seal Retainer Gasket fits SL450 2017–2020

The **Mahle JV5269** is a high-performance, precision-engineered crankshaft seal retainer gasket specifically designed for the **Mercedes-Benz SL450 (W213) models produced between 2017 and 2020**, featuring the **M156 DE 36LAU engine**. This critical component plays a vital role in maintaining the integrity of the engine s oil sealing system, ensuring optimal lubrication and preventing costly leaks that could compromise performance and longevity. Crafted from Mahle s proprietary **high-temperature-resistant elastomer material**, this gasket is engineered to withstand the extreme thermal and mechanical stresses inherent in high-revving, turbocharged engines like the SL450 s **3.0L inline-six with a twin-scroll turbocharger**. The retainer is meticulously machined to fit seamlessly within the engine s crankshaft seal housing, providing a secure and leak-proof seal that resists deformation under pressure, vibration, and the fluctuating temperatures of continuous operation. Its robust construction also incorporates **reinforced metal reinforcements** at critical stress points, enhancing durability and ensuring a tight, consistent fit even after prolonged use or repeated installations. Whether addressing a leak, replacing a worn gasket during routine maintenance, or upgrading during a full engine rebuild, the Mahle JV5269 delivers the reliability and precision demanded by Mercedes-Benz s performance-oriented powertrains. Backed by Mahle s reputation for engineering excellence and compatibility with OEM specifications, this gasket is an ideal choice for enthusiasts and professionals seeking a long-lasting, high-quality solution that restores and protects the SL450 s engine integrity.

### **Pros and Cons of buying a Mahle JV5269 Crankshaft Seal Retainer Gasket for the Mercedes-Benz SL450 (2017 2020, M276 Engine)**

1. **High Quality and Durability** Mahle is a well-known manufacturer of automotive seals and gaskets, known for precision engineering and long-lasting performance. Their products are designed to withstand the high pressures and temperatures found in high-performance engines like the M276.

2. **Direct Fitment** The JV5269 is specifically engineered for the Mercedes-Benz SL450 (2017 2020) with the M276 engine, ensuring proper alignment and sealing without modifications. This reduces the risk of leaks and misalignment issues.

3. **OEM-Level Performance** While not an exact OEM part, Mahle s products are often considered near-OEM quality, offering reliable sealing and longevity comparable to factory components.

4. **Ease of Installation** The gasket is designed with clear installation instructions, and many users report that it fits well without requiring excessive force or special tools beyond standard automotive equipment.

5. **Widely Available** Mahle parts are stocked by most auto parts retailers (both online and in-store), making it easy to purchase without long wait times.

6. **Compatibility with Aftermarket Upgrades** Since the M276 engine is a high-performance unit, this gasket is likely to perform well even if you ve modified the engine (e.g., forced induction, upgraded oil pumps).

7. **Reduces Risk of Oil Leaks** A properly installed crankshaft seal retainer gasket helps prevent oil leaks at the rear main seal area, which is a common failure point in high-mileage or performance-oriented engines.

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1. **Cost** Mahle parts are generally more expensive than generic or aftermarket alternatives. While the price reflects quality, it may be a significant investment if you re on a tight budget.

2. **Potential for Counterfeit Products** Due to Mahle s reputation, counterfeit or low-quality knockoffs may appear on some online marketplaces. Always purchase from reputable sellers (e.g., Amazon, RockAuto, local auto parts stores) to avoid fakes.

3. **Requires Professional Installation (Recommended)** While the gasket itself is straightforward, improper installation (e.g., uneven torque, misalignment) can lead to leaks or damage to the crankshaft seal. If you lack experience with engine work, professional installation is advisable.

4. **Limited Availability in Some Regions** Depending on your location, stock levels may vary, and lead times could be longer than for more common parts.

5. **Not a Permanent Fix for Underlying Issues** If the crankshaft seal itself is worn or damaged, replacing just the retainer gasket may not fully resolve the problem. A complete rear main seal replacement might be necessary for long-term reliability.

6. **Potential for Over-Tightening** Some users report that the gasket can be sensitive to torque specifications. Over-tightening can distort the metal retainer, leading to leaks or warping.

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The **Mahle JV5269 crankshaft seal retainer gasket** is a strong choice for the Mercedes-Benz SL450 (M276 engine) due to its high quality, direct fitment, and reliability. It is well-suited for both maintenance and performance applications, though it comes at a premium price. The biggest risks counterfeit products and improper installation can be mitigated by purchasing from trusted sources and considering professional installation if unsure.

For most SL450 owners, this gasket provides a balance of quality and performance, making it a recommended option if budget allows. However, if cost is a major concern, alternatives like **Fel-Pro or ATE** (also high-quality) may be worth comparing.

- You prioritize long-term reliability and are willing to pay for a premium part.

- You plan to install it yourself and follow torque specifications carefully.

- You purchase from a verified seller to avoid counterfeits.

- You re working with a tight budget and are open to other reputable brands (e.g., Fel-Pro, ATE).

- You re unsure about installation and prefer professional help to ensure proper fitment.

For the M276 engine, Mahle remains one of the best options for this specific gasket, provided it is installed correctly.

Details:

Right for your vehicle and lifestyle. Made from high-quality materials for ultimate durability. Replaces Original OE Part #. Engine Crankshaft Seal Retainer Gasket JV5269 by Mahle.

This product is distinguished by total quality assurance, unsurpassed anybody else. Features: designed to deliver trouble-free, consistent performance. Manufactured to meet or exceed strict quality requirements.

part #: jv5269 prices

• $68.12-$75.04

specifications cranshafengin:

• for makes: Mercedes
• for years: 2017-2020
• brand: Mahle
• mpn: Jv5269
• part type: Seal Gasket Engine Crankshaft
• product type: Engine
• upc: 639789255013
• fitment type: Direct Replacement
• partslink number: 2760100007
• compatible make s : Mercedes-benz
• compatible model s : Sl450, Sl400, Gls450, C43 Amg, C450 Amg, C350, C400, C300, Cls400
• product subtype: Crankshafts
• product details: Engine Crankshaft Seal Retainer Gasket
• department: Replacement

shipping cranshafengin:

• cost: $20.83
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-7 Days
• carrier: FedEx
• type: Calculated
• class: Standard

general cranshafengin:

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

seller cranshafengin:

• # reviews: 148747
• rating: 99.0%
• city: Carson, California

offer cranshafengin:

• availability: In Stock
• quantity: 2
• started: February 17, 2026
• sold: 0
• options: Ship-to-home

returns cranshafengin:

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

payments cranshafengin:

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

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