Mercedes c300 what type of gas

Using lower grade gas will harm the engine and effect the fuel economy MPG if used for extended period. You will NOT ruin your car because you used regular gasoline a couple of times. You may not notice a change in performance the first few times you use it, but if used for extended periods of time you will. Why shorten the life of your car? Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.

Yes, add me to your mailing list. Regular or Premium. Avoid using low octane gas such as: Regular Unleaded Octane 87 Plus Midgrade Unleaded Octane 89 There are no benefits to using premium gas unless your vehicles manufacturer requires that you use high octane premium gas.

Should I use low octane gasoline 85, 87, 89 on my Mercedes-Benz? Premium gas vs. Lawrence F Walker August 22, at am. Tess October 22, at am. Leave a Reply Cancel reply Your email address will not be published. Kathleen K. April 9, A mercedes c uses premium 91 octane gasoline or higher. Leave your answer Name. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.

However, other fuels should be used if the model is a diesel or if the car has a high performance engine. The vehicle's year will also determine the type of fuel used.

The Mercedes-Benz owners manual for most models from to present state that only unleaded 91 octane should be used in these vehicles. The electronic computer system senses the type of fuel that is in the vehicle, and will ensure that the vehicle performs correctly with this fuel type.

The high octane level will allow the car to maintain proper horsepower levels and prevent engine knocking that can be harmful. Of course, the 91 octane level is the minimum fuel type that should be put into the vehicle. Putting a higher octane, such as 93, is not necessary but it might slightly increase the power output of the engine. Some Mercedes-Benz models before require gasoline that is leaded and has an octane rating of 97 to Be sure to put the correct gas in older vehicles because they do not have computer devices that sense the incorrect fuel entering the engine.