The Mercedes GL Series W166 is equipped with the OM642 engine, which is used in vehicles produced between 2012 and 2019. The cylinder head bolt set plays a critical role in securely fastening the cylinder head to the engine block. Proper installation is essential for ensuring the engine's sealing, which is crucial for performance and durability. This set, coded ELRING 372.940, is designed to ensure the safe operation of the engine and is particularly resistant to high temperatures and pressures. This part functions as a component of the sealing system at the top of the engine.
Product Features and Benefits
- OEM Compatibility: This cylinder head bolt set is manufactured in accordance with original equipment standards. It fully aligns with the standards used in authorized service centers.
- Material Quality: Made from high-quality steel, enhancing durability and providing long-lasting use.
- Durability and Lifespan: It is durable up to 100,000 km under normal conditions. It maintains performance even under extreme temperature and pressure conditions.
- Performance: Increases engine sealing, improving fuel efficiency and engine performance.
- Testing and Certification: Manufactured in compliance with ISO 9001 and TS 16949 standards, ensuring the quality and reliability of the product.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 372.940 |
| Part Type | Cylinder Head Bolt Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This cylinder head bolt set is compatible with the OM642 engine of the Mercedes GL Series W166 model. It is designed for vehicles produced between 2012 and 2019. This model is positioned in the luxury SUV segment, notable for its spacious interior and powerful engine performance. Vehicles with engine code OM642 offer high performance and comfort.
- Chassis code: X166
- Engine code: OM642
- Production year range: 2012-2019
- Trim/Variant: GL 350/GL 450
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 is a recognized brand in the automotive spare part industry and is an original equipment supplier for many well-known car manufacturers. Its products are manufactured according to high-quality standards. Quality assurance is provided with ISO 9001, TS 16949, and IATF 16949 certifications. ELRING supplies OE parts to brands like Mercedes, BMW, and Audi and manufactures with high technology in modern production facilities located in Germany.
Installation and Usage Notes
The installation of the cylinder head bolt set should be performed by professionals. It is crucial to tighten the bolts to the correct torque value during installation. Typically, these bolts should be tightened to a specific torque value according to the engine's assembly instructions. Additionally, it is recommended to use a new gasket during the cylinder head installation. This part is a critical component for ensuring the engine's sealing. After installation, necessary tests should be conducted to check the engine's performance and sealing.
Frequently Asked Questions
In which X166 models is this cylinder head bolt set used?
This bolt set is compatible with the OM642 engine of the Mercedes GL Series X166 and is used in the GL 350 and GL 450 models produced between 2012 and 2019.
Is it original or aftermarket?
ELRING is a supplier that produces OE parts for brands like Mercedes. Therefore, this product is of original equipment quality and offers higher durability compared to aftermarket parts.
How many km does this cylinder head bolt set last / when should it be replaced?
This bolt set is durable up to 100,000 km under normal usage conditions. Signs of wear include engine leaks and performance loss; it is recommended to replace it in such cases.
Can I install it myself, or do I need to take it to a mechanic?
The installation process should be carried out by professionals. It is not recommended to install without the necessary tools and experience. It is advisable to seek professional support at authorized service centers.
How long does it take to arrive, do I have a return right?
Your order will be shipped on the same day. You have the right to return within 14 days. For return processes, you need to send it back along with the e-archive invoice.
Advantages of German Parts Warehouse: Same-day shipping, 14-day return policy, sales with e-archive invoice, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is confirmed only from items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
