

Mercedes GL X166 M278 Crankcase Ventilation Gasket Set ELRING 306.250
Mercedes GL Series W166 M278 Crankcase Ventilation Gasket Set
ELRING 306.250 | Original Equipment (OEM) | 100% German Quality
This crankcase ventilation gasket set is designed for Mercedes GL Series W166 vehicles with the M278 engine code and plays a critical role in ensuring the healthy operation of the engine. Produced between 2012 and 2019, these vehicles prevent oil leakage by balancing the pressure inside the engine and enhance engine efficiency. This part is an integral component of the engine's ventilation system and is vital for extending the engine's lifespan and improving its performance. Offered under the ELRING 306.250 code, this part is of original equipment quality and is specifically manufactured for Mercedes vehicles.
Product Features and Benefits
- OEM Compatibility: ELRING is manufactured in accordance with original equipment standards. This part is approved by authorized Mercedes service centers and ensures perfect fitment in the engine layout.
- Material Quality: Made from high-quality elastomer material. This material is resistant to temperature changes and is long-lasting.
- Durability and Lifespan: The estimated lifespan of this gasket set can withstand up to 100,000 km. Depending on the engine's operating conditions, this duration may be extended.
- Performance: Optimizes the engine's ventilation system, increasing fuel efficiency and reducing emissions.
- Testing and Certification: The product is certified with ISO 9001 and TS 16949, produced in accordance with high-quality standards.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 306.250 |
| Part Type | Crankcase Ventilation Gasket Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This crankcase ventilation gasket set is compatible with vehicles of the Mercedes GL Series W166 model that have the M278 engine code. Produced from 2012 to 2019, these models offer high performance and durability. This part contributes to the overall performance of the vehicle by ensuring the healthy operation of the engine's ventilation system.
- Chassis code: W166
- Engine code: M278
- Production year range: 2012-2019
- Trim/Variant: GL 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
ELRING is a brand known for producing high-quality spare parts. Based in Germany, this company serves as an OE supplier to many automotive manufacturers. It meets quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. ELRING's products are used in factories of prestigious brands like Mercedes, which significantly enhances its reputation in the industry.
Installation and Usage Notes
The most important consideration during the installation of this crankcase ventilation gasket set is to thoroughly clean the old parts. During installation, ensure that the gasket is properly positioned. It is recommended to refer to the manufacturer's guide for torque values. Additionally, it is advisable to perform the installation during an engine oil change. To enhance engine performance, regular maintenance and inspection of the ventilation system are necessary.
German Parts Warehouse Advantages: 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 only confirmed for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
Compatible vehicle information not yet added.
