Mercedes S-Class W221 OM642 Tensioner Plug | ELRING 125.820

Mercedes S Class W221 OM642 Tensioner Cap

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

The Mercedes S Class W221 is equipped with the OM642 engine code and was produced between 2005 and 2013. The tensioner cap is a critical spare part to ensure the proper functioning of the engine. This part acts as a component of the engine's tensioning system and keeps the belts at the correct tension. The tensioner cap is an important component that affects the performance and lifespan of the engine. Therefore, the quality and compatibility of the ELRING 125.820 tensioner cap are extremely important. This part is designed to ensure the efficient operation of the engine system.

Product Features and Benefits

• OEM Compatibility: ELRING 125.820 is manufactured in accordance with original equipment standards. This part fully complies with the standards set by authorized services and ensures no issues during installation.
• Material Quality: The tensioner cap is produced using high-quality materials. This increases the durability of the part and ensures its longevity.
• Durability and Lifespan: The ELRING tensioner cap is designed to withstand long periods even under harsh conditions. The estimated lifespan is 100,000 km, depending on the engine maintenance conditions.
• Performance: This tensioner cap ensures the proper functioning of the engine's belt system, increasing fuel efficiency and reducing engine noise.

Technical Details

Vehicle Compatibility

The ELRING 125.820 tensioner cap is compatible with vehicles of the Mercedes S Class W221 chassis code. This part is designed for use with models featuring the OM642 engine code. Produced between 2005 and 2013, these vehicles have established a significant place in the automotive world by combining luxury and performance. The tensioner cap is a critical component to ensure the efficient operation of the engine system in these models.

• Chassis code: W221
• Engine code: OM642
• Production year range: 2005-2013
• Trim/Variant: All variants

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 spare part market and serves as an OE supplier to many automotive manufacturers. ELRING produces high-quality spare parts for Mercedes and other brands, enhancing the brand's reliability.

Installation and Usage Notes

There are some points to consider during the installation of the tensioner cap. Since this part is used to adjust the tension of the engine belts, it is important to check the condition of the belts during installation. It is recommended to replace the belts if they are worn. The required torque value for the installation of the tensioner cap should be specified by the manufacturer. In general, it is advisable to check every 100,000 km in accordance with engine maintenance intervals. Additionally, the tensioner cap should be checked along with the engine oil change.