You may have considered putting cheaper regular gas in your new Mercedes-Benz, but the manufacturer recommends the use of premium gas to maintain optimal performance. While regular unleaded gas shaves a few dollars off filling up your tank, Mercedes-Benz engines require premium gas due to their high-compression ratios.

Technically speaking, no Honda vehicles require premium gasoline.

Can I mix premium and unleaded gas? Yes, drivers can mix the two types of fuel. The combined gas types will result in an octane level somewhere in the middle — something the vehicle “will survive,” according to The Drive.

Mercedes-Benz recommends only premium unleaded fuel be used in their vehicles. Using lower octane fuels than recommended can cause “knocking” or “pinging” within the engine, and will likely result in decreased fuel efficiency.

Using low-grade gasoline on Mercedes-Benz cars is not recommended. Regular gas can reduce the life of the engine, trigher malfuctions such as Check Engine Light and most importantly it can cause the fuel to pre-ignite, causing pre-detonation (engine knocking).

In order to properly maintain your ride and keep it running like new for years to come, our Mercedes-Benz dealer serving Washington, D.C. recommends filling up your Mercedes-Benz vehicle with premium unleaded gasoline that is 91 octane or higher.

93 octane fuels are more refined and contain more stable hydrocarbons. These stable hydrocarbons can last 2-3 times longer than 87 octane fuel. Even in proper storage 87 octane gas can start to degrade in 3 months, 93 octane fuel should last closer to 9 months before degradation is noticeable.

Shell Gasoline contains a patented cleaning system that actively cleans intake valves and fuel injectors and protects against future build up. No other gasoline protects better against gunk!