Mercedes S-Class W222 M278 Valve Shaft Seal | ELRING 403.730

Mercedes S Class W222 M278 Valve Shaft Gasket

ELRING 403.730 | Original Equipment (OEM) | 100% German Quality

The Mercedes S Class W222, produced with the M278 engine code, was available from 2013 to 2020. The valve shaft gasket seals the valve shaft located at the top of the engine, preventing oil leaks. This part is critical for the efficient operation of the engine. The gasket identified by the ELRING 403.730 code maintains the engine's oil pressure, preventing performance loss and preserving the health of the vehicle's engine system.

Product Features and Benefits

• OEM Compatibility: ELRING manufactures to high standards as an original equipment manufacturer. This part fully complies with Mercedes' authorized service standards.
• Material Quality: Made from high-quality elastomer material, it is resistant to heat and chemicals.
• Durability and Lifespan: Estimated lifespan can reach up to 100,000 km. It is resistant to extreme heat and pressure.
• Performance: By maintaining the engine's oil pressure, it prevents oil leaks and enhances overall engine performance.
• Testing and Certification: ELRING offers quality assurance with ISO 9001 and TS 16949 certifications.

Technical Details

Vehicle Compatibility

This valve shaft gasket is compatible with Mercedes S Class W222 vehicles with the M278 engine code. Produced between 2013 and 2020, these vehicles offer luxury and comfort while providing a top-level experience in engine performance.

• Chassis code: W222
• Engine code: M278
• Production year range: 2013-2020
• Trim/Variant: S Class

It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.

Quality and Warranty

ELRING has many years of experience in the spare part market and supplies OE parts to many automotive manufacturers. It continuously improves quality standards with ISO 9001 and TS 16949 certifications. Its production facilities based in Germany are equipped with high technology and engineering. Therefore, ELRING parts are designed to meet the needs of luxury vehicles like Mercedes.

Installation and Usage Notes

The installation of the valve shaft gasket should be performed by professionals. Ensuring that the gasket surfaces are clean and smooth during installation will minimize the risk of leaks. Generally, it is recommended to check other gaskets during the valve shaft gasket replacement. The recommended torque value and installation instructions can be found in the vehicle's service manual. It is important to check engine fluid levels and perform an oil change if necessary before long journeys.

Frequently Asked Questions