Mercedes R-Class W251 OM642 Tensioner Plug | ELRING 125.820

Mercedes R Series W251 OM642 Tensioner Cap

ELRING 125.820 | Original Equipment (OEM) | 100% German Quality

This tensioner cap, designed for Mercedes R Series W251 vehicles, is used in vehicles with the OM642 engine code. Produced between 2005 and 2017, these vehicles are noted for their powerful and efficient engine performance. The tensioner cap plays a critical role in ensuring the engine operates smoothly; it adjusts the tension of the engine belt to prevent slippage or breakage. Therefore, the ELRING 125.820 tensioner cap is vital for the reliability and performance of the engine and constitutes an important part of the engine system.

Product Features and Benefits

• OEM Compatibility: The ELRING brand is manufactured in accordance with authorized service standards as an original equipment manufacturer. The tensioner cap provides a seamless installation experience by ensuring perfect compatibility with the engine system.
• Material Quality: This tensioner cap is produced using high-quality materials, offering durability and longevity. Advanced technologies are utilized in the production process to optimize the part for maximum performance.
• Durability and Lifespan: The ELRING tensioner cap is designed to withstand high temperatures and pressures. Its estimated lifespan can reach up to 100,000 kilometers with regular maintenance.
• Performance: By maintaining the tension of the engine belt at an optimal level, it enhances the engine's performance. This not only saves fuel but also extends the engine's lifespan.

Technical Details

Vehicle Compatibility

The ELRING 125.820 tensioner cap is compatible with vehicles of the Mercedes R Series W251 chassis code. These models, equipped with the OM642 engine code, were produced between 2005 and 2017. The use of this part is critical for enhancing the engine's performance and reliability. Therefore, this tensioner cap is an important component for Mercedes users.

• Chassis code: W251
• Engine code: OM642
• Production year range: 2005-2017
• Equipment/Variant: -

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 a long-standing history in the automotive spare part industry, supplying OE parts to many major automotive manufacturers. Parts produced by ELRING are approved for use in factories of prestigious brands like Mercedes. Thus, it has become a reliable name in the spare part market.

Installation and Usage Notes

It is important to check the tension of the engine belt during the installation of the tensioner cap. This part should be regularly checked to ensure the belt operates smoothly. The torque value must be correctly adjusted during installation. Additionally, it is recommended to replace the tensioner cap during engine maintenance. This is a critical step to maintain the healthy operation of the engine. In both city and long-distance use, it is advisable to review other parts that may affect engine performance.