Why does the check engine light in my ML320 turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your ML320 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Mercedes-Benz ML320 engine noises bad?

Unusual noises can signal a problem with your Mercedes-Benz ML320 engine. Tapping or knocking could mean you need an oil change. 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 ML320 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Mercedes-Benz ML320 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your ML320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my ML320 to suddenly stop?

Your ML320 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Mercedes-Benz ML320 engines?

For Mercedes-Benz ML320 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.

2009 Mercedes-Benz ML320 Engine Repair

Learn about

2009 Mercedes-Benz ML320 Trim Options

Select your Mercedes-Benz ML320 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

Repairs for Your 2009 Mercedes-Benz ML320

Nothing lasts forever. Even your Mercedes-Benz ML320’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2009 Mercedes-Benz ML320 services.

We Care for Mercedes-Benz ML320 Engines

Mercedes-Benz ML320 engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 2009 Mercedes-Benz ML320 engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz ML320 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2009 Mercedes-Benz ML320 Check Engine Light Is On

An illuminated check engine light on your Mercedes-Benz ML320 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your ML320 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or engine misfiring.

Mercedes-Benz ML320 Engine Repair

If your 2009 ML320 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2009 ML320 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, valve guide seal, sensors, or other parts.

Questions About 2009 Mercedes-Benz ML320 Engines

Why does the check engine light in my ML320 turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your ML320 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Mercedes-Benz ML320 engine noises bad? Unusual noises can signal a problem with your Mercedes-Benz ML320 engine. Tapping or knocking could mean you need an oil change. 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 ML320 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Mercedes-Benz ML320 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your ML320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my ML320 to suddenly stop? Your ML320 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Mercedes-Benz ML320 engines? For Mercedes-Benz ML320 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.