The Mercedes R Series W251, with engine code M156, was produced between 2005-2015. The main function of this part is to ensure the sealing of the valve cover located at the top of the engine and to prevent engine oil from leaking out. The valve cover gasket set is a critical component for the efficient operation of the engine, as leaks can negatively affect engine performance. This product, coded ELRING 234.090, is an important part of the engine system and it is necessary to replace gaskets that wear out over time.
Product Features and Benefits
- OEM Compatibility: The ELRING brand offers gaskets manufactured according to original equipment standards. This ensures perfect fit during installation and enhances engine performance.
- Material Quality: ELRING produces durable and long-lasting gaskets using high-quality materials. This ensures the engine's sealing capability.
- Durability and Lifespan: This gasket set has a long lifespan under normal usage conditions. It is generally recommended to replace it between 80,000-100,000 km.
- Performance: With proper installation, it prevents engine oil leaks, which increases engine efficiency and reduces maintenance costs.
- Testing and Certification: ELRING manufactures in compliance with international quality standards such as ISO 9001 and TS 16949. This guarantees the reliability and quality of the product.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 234.090 |
| Part Type | Valve Cover Gasket Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This product is compatible with the Mercedes R Series W251 chassis code. Vehicles with engine code M156 were produced between 2005-2015. The valve cover gasket set is a critical component for ensuring the engine's sealing and is specifically designed for the engine system of this model.
- Chassis code: W251
- Engine code: M156
- Production year range: 2005-2015
- Trim/Variant: All variants
It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
ELRING has been operating as an OE supplier in the automotive industry for many years. Supplying parts to prestigious brands like Mercedes-Benz, ELRING has proven its quality with ISO 9001 and TS 16949 certifications. These parts, produced in Germany, are tested to high standards and are recognized for their reliability.
Installation and Usage Notes
There are some points to consider during the installation of the valve cover gasket set. Since gaskets can expand and contract depending on the engine's temperature, care should be taken during installation. Additionally, it is important to clean the surfaces and completely remove old gaskets before installation. Proper torque values must be applied during each installation of this gasket set. To prevent engine oil leaks, it is recommended to regularly check this part and replace it when necessary.
Advantages of German Parts Depot: Same day shipping, 14-day return policy, e-archive invoicing, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is only confirmed from items physically available. If you write to our support line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.