Mercedes Engine Oil Drain Plug - Elring 303.220

Product Information

The engine oil drain plug is a small port located at the bottom of the oil pan. Its primary purpose is to seal the oil pan and allow for easy draining of the engine oil during oil changes. The plug is typically made of metal steel or aluminum, but sometimes plastic, and includes a rubber or metal gasket to prevent oil from leaking out. The drain plug is removed during oil changes to allow the old oil to flow out of the engine, and it is then replaced after the oil pan is emptied.

• Oil Leaks: The most common symptom of a failing or damaged oil drain plug is an oil leak. If the plug or its gasket is worn, cracked, or improperly tightened, oil may leak from the oil pan. This can lead to oil puddles under the vehicle or visible oil residue around the drain plug area.
• Stripped Threads: Over time, the threads on the oil drain plug or in the oil pan may become stripped due to overtightening or improper installation. This can prevent the plug from sealing properly, leading to oil leaks or difficulty securing the plug during oil changes.

About Elring

Elring was founded in 1879 by Paul Lechler. Elring "the original" is their trademark, because as an OEM (Original Equipment Manufacturer) to so many automobile manufacturers, there is a chance Elring provided the original gasket. Elring is widely known as an OEM replacement provider of quality parts for European model vehicles. They are mainly producers of gaskets, seals, and other high end supporting components. With locations around the globe, Elring is already established as one of the greatest producers of parts for European vehicles including luxury makes such as BMW, Mercedes, Audi, Volvo and many others. Elring - "Das Original".

As an automotive supplier, ElringKlinger has become a trusted partner to its customers – with a firm commitment to shaping the future of mobility. Be it optimized combustion engines, high-performance hybrids, or environmentally-friendly battery and fuel cell technology, ElringKlinger provides innovative solutions for all types of drive systems. ElringKlinger’s lightweighting concepts help to reduce the overall weight of vehicles. As a result, vehicles powered by combustion engines consume less fuel and emit less CO2, while those equipped with alternative propulsion systems benefit from an extended range. In response to increasingly complex combustion engine technology, the Group also continues to make refinements with regard to gaskets in order to meet the highest possible standards. This is complemented by solutions centered around thermal and acoustic shielding technology. Additionally, the Group‘s portfolio includes products made of the high-performance plastic PTFE which are also marketed to industries beyond the automotive sector. These efforts are supported by a dedicated workforce of more than 10,000 employees at 45 ElringKlinger Group locations around the globe.

The Elring aftermarket brand offers an all-embracing package: original equipment quality, functional reliability, and premium, end-to-end service. This includes, for example, sales and technical training, service information, exploded-view drawings for trucks and vans, monthly newsletters focusing on engine sealing solutions, an online sealing compound wizard, professional installation videos, the Elring Academy, the training truck, and much more besides.

Original Elring products are acknowledged among dealers, mechanics, and customers around the globe. These products include cylinder-head and sealing systems, oil seals and valve stem seals, sealing compounds, and threadlockers as well as cylinder-head bolt and complete gasket sets – for full- and partial servicing.