

Mercedes R Class W251 M156 Transmission Mount | FEBI 26478
Mercedes R Series W251 M156 Transmission Mount | FEBI 26478
FEBI 26478 | Original Equipment (OEM) | 100% German Quality
The Mercedes R Series was produced between 2006-2017 with the W251 chassis code. The M156 engine used in this vehicle offers high performance, while the transmission mount ensures the connection between the engine and transmission. The transmission mount absorbs vibrations between the engine and transmission, enhancing driving comfort. This part is a critical component that directly affects vehicle performance. FEBI 26478 is manufactured to original equipment standards and ensures the reliability of the transmission system.
Product Features and Benefits
- OEM Compatibility: FEBI 26478 is produced to original equipment quality and complies with Mercedes authorized service standards. The part ensures perfect compatibility with the vehicle's transmission system.
- Material Quality: Made from high-quality rubber and metal components. This material enhances durability for long-lasting use.
- Durability and Lifespan: The FEBI transmission mount can withstand up to 100,000 km under normal driving conditions. It shows high durability against extreme temperatures and harsh conditions.
- Performance: Minimizes vibrations in the vehicle, enhances driving comfort, and ensures smooth operation of the transmission. This positively affects fuel efficiency as well.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. FEBI meets the highest quality standards in the industry.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 26478 |
| Part Type | Transmission Mount |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Transmission |
Vehicle Compatibility
The FEBI 26478 transmission mount is compatible with Mercedes R Series vehicles with the W251 chassis code. This part is used in models with the M156 engine code. It is specifically designed for vehicles produced between 2006-2017. Developed to provide high performance and comfort.
- Chassis code: W251
- Engine code: M156
- Production year range: 2006-2017
- Trim/Variant: R Series
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
As an original equipment manufacturer, FEBI has been supplying spare parts to Mercedes-Benz for many years. Its products meet quality standards with ISO 9001 and TS 16949 certifications. With production facilities based in Germany, it is one of the most reliable brands in the industry. FEBI manufactures OE parts for many vehicle brands, ensuring high quality.
Installation and Usage Notes
The installation of the transmission mount should be performed by qualified personnel. The most important point to pay attention to during installation is the correct placement of the mount. Additionally, the torque values of the screws used during installation should be observed. Generally, it is recommended to check every 100,000 km. The transmission mount should be replaced when signs of wear are observed, as it provides the connection between the engine and transmission.
Frequently Asked Questions
In which W251 models is this transmission mount used?
FEBI 26478 is used in M156 engine code models produced between 2006-2017 with the Mercedes R Series W251 chassis code.
Is this part original or aftermarket?
FEBI 26478 is produced by an original equipment manufacturer. It meets OE standards in terms of quality and is supplied to Mercedes-Benz.
How many kilometers does this transmission mount last?
FEBI 26478 can last up to 100,000 km under normal driving conditions. It is recommended to replace it when signs of wear are observed.
Can I install it myself, or do I need to take it to a professional?
The installation of the transmission mount should be done by qualified personnel. It can be installed with the necessary tools, but the recommended method is installation at an authorized service.
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. Sales are made with e-archive invoices.
Advantages of German Parts Warehouse: Same day shipping, 14-day return policy, e-archive invoiced sales, 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.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 2512401818 — Mercedes-Benz
- 2512402618 — Mercedes-Benz
- A2512401818 — Mercedes-Benz
- A2512402618 — Mercedes-Benz
