Why does the check engine light come on when I start my G550?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your G550 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Mercedes-Benz G550 making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz G550 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz G550 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Mercedes-Benz G550 radiator?

It’s not recommended you put water in your G550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause a G550 engine to suddenly stop?

Reasons your G550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Mercedes-Benz G550 engine?

For Mercedes-Benz G550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2020 Mercedes-Benz G550 Engines

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2020 Mercedes-Benz G550 Trim Options

Select your Mercedes-Benz G550 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz G550 parts will get older and change.

2020 Mercedes-Benz G550 Repair

Nothing lasts forever. Even your Mercedes-Benz G550's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2020 Mercedes-Benz G550.

We’re Trained to Care for Mercedes-Benz G550 Engines

The Mercedes-Benz G550 is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 2020 Mercedes-Benz service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz G550 engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2020 Mercedes-Benz G550

As soon as your G550 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your fuel, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your G550 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Mercedes-Benz G550 engine service might include essential fluid leaks, or misfiring.

Engine Repairs for Your 2020 G550

If your 2020 G550 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair isn’t urgent right now, we’ll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for G550 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, motor oil seal, fuses, or another part.

2020 Mercedes-Benz G550 Engine Q&A

Why does the check engine light come on when I start my G550? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your G550 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Mercedes-Benz G550 making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz G550 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz G550 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Mercedes-Benz G550 radiator? It’s not recommended you put water in your G550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause a G550 engine to suddenly stop? Reasons your G550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Mercedes-Benz G550 engine? For Mercedes-Benz G550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.