Why does the check engine light come on when I start my ML350?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your ML350 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Mercedes-Benz ML350 making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz ML350. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 ML350 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Mercedes-Benz ML350 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 ML350 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my ML350 engine to suddenly stop?

If your ML350 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Mercedes-Benz ML350 repair?

Your local Firestone Complete Auto Care fixes Mercedes-Benz ML350 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2009 Mercedes-Benz ML350 Engines

Learn about

2009 Mercedes-Benz ML350 Trim Options

Select your Mercedes-Benz ML350 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz ML350 parts will get older and change.

V6/3.5L

Mercedes-Benz ML350 Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz ML350’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2009 Mercedes-Benz ML350 repairs.

We Know Mercedes-Benz ML350 Engines

Mercedes-Benz ML350 engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 2009 Mercedes-Benz ML350 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. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz ML350 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. 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 2009 Mercedes-Benz ML350

If your ML350 check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your vehicle's ignition, Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your ML350 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or misfiring.

Mercedes-Benz ML350 Engine Repair

If your 2009 ML350 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for ML350 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the cambelt, valve guide seal, sensors, or another part.

2009 Mercedes-Benz ML350 Engine Q&A

Why does the check engine light come on when I start my ML350? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your ML350 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Mercedes-Benz ML350 making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz ML350. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 ML350 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Mercedes-Benz ML350 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 ML350 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my ML350 engine to suddenly stop? If your ML350 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Mercedes-Benz ML350 repair? Your local Firestone Complete Auto Care fixes Mercedes-Benz ML350 engines. Book an appointment today! We have thousands of locations across the country.