The connecting rod bolt used in Mercedes E-Class W211 vehicles with the OM646 engine code plays a critical role in the internal structure of the engine. This part connects the connecting rods to the cylinder, ensuring the smooth transmission of piston movement. Using a quality connecting rod bolt enhances engine performance while extending the engine's lifespan. This connecting rod bolt with the code ELRING 434.490 increases engine reliability and demonstrates resistance to high temperatures and pressures. As one of the essential components of the engine system, the connecting rod bolt is vital for engine efficiency.
Product Features and Benefits
- OEM Compatibility: The ELRING connecting rod bolt is manufactured according to original equipment standards. This ensures proper installation and fitment at authorized service centers.
- Material Quality: Made from high-quality alloys, this connecting rod bolt stands out for its durability. It shows resistance especially against high temperatures and pressures.
- Durability and Lifespan: The ELRING connecting rod bolt offers durability up to 200,000 km, providing a long lifespan depending on the engine's operating conditions.
- Performance: This part optimizes the engine's torque and power output, increasing fuel efficiency and improving emission values.
- Testing and Certification: The production process is carried out in accordance with ISO 9001 and TS 16949 standards, reflecting ELRING's quality understanding.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 434.490 |
| Part Type | Connecting Rod Bolt |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This connecting rod bolt is compatible with vehicles of the Mercedes E-Class W211 model that have the OM646 engine code. This model was produced between 2003-2009 and is noted for its powerful and efficient engine structure. The W211 chassis is one of the best examples in Mercedes' sedan segment, offering high comfort.
- Chassis code: W211
- Engine code: OM646
- Production year range: 2003-2009
- Trim/Variant: 220 CDI, 270 CDI
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 leading brand in the production of engine spare parts worldwide. Known as the original equipment supplier for Mercedes-Benz, ELRING adheres to high-quality standards. Supported by ISO 9001 and TS 16949 certifications, the production processes enhance the reliability of the products. ELRING manufactures OE parts for many well-known automotive brands and produces with high technology at its facilities in Germany.
Installation and Usage Notes
The installation of the connecting rod bolt should be performed by professionals. Due to the sensitivity of the internal structure of the engine, care must be taken during installation. The torque value should be set to 25 Nm. This part is crucial and should be replaced during engine overhaul. Additionally, it is recommended to check the connecting rods along with the connecting rod bolt. A general check of the engine should be performed before long journeys.
Frequently Asked Questions
In which W211 models is this connecting rod bolt used?
This connecting rod bolt is used in all variants of the Mercedes E-Class W211 model with the OM646 engine code. It is particularly suitable for the 220 CDI and 270 CDI engine options.
Is it original or aftermarket?
ELRING is known as the original equipment supplier for Mercedes-Benz. Therefore, the ELRING connecting rod bolt is of original part quality and offers higher durability compared to aftermarket products.
How many km does this connecting rod bolt last / when should it be replaced?
The ELRING connecting rod bolt offers durability up to 200,000 km under normal usage conditions. It should definitely be replaced during engine overhaul or when changing the connecting rod.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the connecting rod bolt should be performed by professionals due to the sensitivity of the internal structure of the engine. It is recommended to use the necessary tools during installation.
How long does it take to arrive, do I have a return right?
Your orders are shipped on the same day. You have the right to return within 14 days. All documents are provided 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 only confirmed 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.