Is Costco Gas Good For Mercedes?

Is Costco Gas good quality?

Costco’s gas may be the cheapest in town, but it’s still high-quality.

Kirkland Signature fuel meets Top Tier standards, which means it has deposit control additives to clean your engine and help it run more efficiently.

Costco isn’t the only Top Tier gasoline retailer around..

Does Costco use Top Tier gas?

That’s why all Costco Gas Stations contain Kirkland Signature™ Gasoline in both regular unleaded and premium grades. … Kirkland Signature Gasoline meets and exceeds TOP TIER™ performance standard.

What is the best gasoline on the market?

Best Gasoline DefinedCostco.Conoco.Chevron.BP.Exxon.Holiday.Kwik Trip.Mobil.More items…•

Can I put 93 gas in my Mercedes?

The engine will run better and longer if you use the recommended octane. But yes, you can use regular unleaded. Your car will run just fine on any good quality Mid-Grade gasoline.

What happens if you accidentally put regular gas instead of premium?

If you mistakenly fill up with regular fuel, your car’s ECU will adjust engine timing and performance to work with the lower-octane fuel. In most cases, this is ok for the times when there are no premium pumps around, but it’s not ideal to run the cheapest fuel possible for extended periods of time.

What happens if you put 87 octane in a Mercedes?

ALL will run on 87 Octane. However, the best combination of power and mileage has been with 89 Octane. Using 91 or 93 octane did not get any better mileage or power – just wasted more money. Using the 87 Octane did give some loss of power and mileage.

What gas should I put in my Mercedes?

premium unleaded fuelMercedes-Benz recommends only premium unleaded fuel be used in their vehicles. Because Mercedes-Benz automobiles have a high compression engine that causes higher pre-ignition temperatures designed for a higher-octane fuel.

Is Costco gas bad for your engine?

Keep your engine clean Engine deposits are bad, so the government requires that gas retailers put detergent additives in their fuel to help keep engines clean. The best performing gasoline has more additives in it. Costco’s gas has five times the EPA detergent requirement, in both regular and premium grades.

Is regular gas bad for Mercedes?

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. This means using regular gas may lead to costly repairs. To avoid more repair bills outside of scheduled service, you should always fill up with premium fuel.

Why is Costco gas cheap?

Costco can sell gas at between 6 cents and 12 cents below the market price, according to research firm Trefis. It discounts gas in the hopes that people will fill up and then head over to its stores. … Gas is already a low-margin product, and climbing prices can turn gasoline into a money loser for the company.

Does Costco use Shell Gas?

When you buy Costco gas, you are buying gas from Shell, Texaco, Exxon, Mobil, Chevron, or whatever refiners/distributors in your area. No refiner has separate facilities to make “Costco gas”.

Can I put mid grade gas in my Mercedes?

All Mercedes-Benz gasoline cars require Premium Unleaded Gas. At a minimum, you should use premium 91 octane gasoline or higher. Avoid using low octane gas such as: … Plus Midgrade Unleaded Octane 89.

What happens if you put 87 gas in a Mercedes?

87 Octane. Although 91 octane is recommended for a majority of Mercedes-Benz models, it is not extremely harmful to put in 87 octane. This lower grade octane will not maintain the vehicle’s performance level, but it will not harm the engine because the computer system will know that the fuel is of a lower grade.

Where does Costco get their fuel from?

Costco has 4 pumps that dispense high flow diesel specially installed for trucks. Where does Costco source its fuel from? Currently Costco sources its quality fuel from Mobil which is specified to meet Australian Standards.

Which gas is better 87 89 or 93?

Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. Fuel with a higher octane rating can stand up to higher compression before it detonates. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time.