

Mercedes C Series W204 OM646 Automatic Gearbox Gasket Set | ELRING 428.390
Mercedes C-Class W204 OM646 Automatic Transmission Gasket Set
ELRING 428.390 | Original Equipment (OEM) | 100% German Quality
The Mercedes C-Class W204 is equipped with the OM646 engine. This automatic transmission gasket set plays a critical role in ensuring the sealing of the vehicle's transmission system. Over time, worn or damaged gasket sets can lead to oil leaks, which can cause serious mechanical issues. Therefore, timely replacement of the ELRING 428.390 part is crucial for the healthy operation of the transmission. This part related to the automatic transmission system enhances the vehicle's performance and safety.
Product Features and Benefits
- OEM Compatibility: As an original equipment manufacturer, ELRING guarantees that this gasket set is produced in accordance with Mercedes standards. The part ensures perfect compatibility with the vehicle's transmission.
- Material Quality: This gasket set is produced using high-quality materials, making it durable. It offers long-lasting and leak-proof performance.
- Durability and Lifespan: The ELRING gasket set is designed to withstand harsh working conditions. It can be safely used for up to 100,000 km.
- Performance: This gasket set ensures the oil sealing of the transmission while supporting the efficient operation of the transmission, thereby enhancing the overall performance of the vehicle.
- Testing and Certification: ELRING holds ISO 9001 and TS 16949 certifications, indicating that the product meets high quality and reliability standards.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 428.390 |
| Part Type | Automatic Transmission Gasket Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Automatic Transmission |
Vehicle Compatibility
This automatic transmission gasket set is compatible with the Mercedes C-Class W204 model. It works perfectly with vehicles equipped with the OM646 engine code. The W204 series was produced between 2007 and 2015 and has many variants during this period. Using this part ensures the healthy operation of the vehicle's transmission system.
- Chassis code: W204
- Engine code: OM646
- Production year range: 2007-2015
- 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 been active in the automotive industry for many years and supplies original equipment to many car manufacturers. Thanks to its collaboration with Mercedes, this gasket set is produced in accordance with high-quality standards. Supported by ISO 9001 and TS 16949 certifications, this product stands out for its reliability and durability. ELRING is a globally recognized brand and is manufactured in Germany.
Installation and Usage Notes
The installation of this automatic transmission gasket set should be performed by professionals. During installation, it is important to completely clean the old gaskets and properly place the new gasket set. Additionally, correct torque values should be used during installation, and new gaskets should be used when necessary. For the healthy operation of the transmission, it is recommended to regularly check this part and replace it when needed.
Frequently Asked Questions
In which W204 models is this automatic transmission gasket set used?
This gasket set is used in all variants of the Mercedes C-Class W204 model. It is particularly compatible with vehicles equipped with the OM646 engine code.
Is it original or aftermarket?
As an original equipment manufacturer, ELRING guarantees that this gasket set is produced in accordance with high-quality standards. Therefore, it is considered an original part.
How many km does this automatic transmission gasket set last / when should it be replaced?
This gasket set can be safely used for up to 100,000 km. It is recommended to replace it when oil leaks begin or a decrease in transmission performance is observed.
Can I install it myself, or do I need to take it to a mechanic?
The installation of this automatic transmission gasket set is a task that should be performed by professionals. The necessary tools and experience are required for proper installation.
How long does it take to arrive, do I have a right to return?
Your orders are shipped on the same day. You have the right to return within 14 days. You can contact our support via our WhatsApp line for assistance.
Advantages of German Parts Warehouse: Same-day shipping, 14-day return policy, e-archive invoicing, 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.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 1402706500 — MERCEDES-BENZ
- A1402706500 — MERCEDES-BENZ
