Why does the check engine light in my ML350 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is 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. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz ML350 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in 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.

Why did my ML350 engine 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.

Who can repair my Mercedes-Benz ML350 engine?

For Mercedes-Benz ML350 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.

2012 Mercedes-Benz ML350 Engine Repair

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2012 Mercedes-Benz ML350 Trim Options

Select your Mercedes-Benz ML350 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

V6/3.5L

V8/4.7L

Mercedes-Benz ML350 Repairs and Services

Stuff wears out. Even your Mercedes-Benz ML350’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2012 Mercedes-Benz ML350.

We Know Mercedes-Benz ML350 Engines

The Mercedes-Benz ML350 is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 2012 Mercedes-Benz service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz ML350 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2012 Mercedes-Benz ML350

As soon as your ML350 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your ML350 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for Mercedes-Benz ML350 engine service might include essential fluid leaks, or engine misfiring.

2012 ML350 Engine Services

When your Mercedes-Benz ML350 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for ML350 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing belt, motor oil seal, ignition coil, or other parts.

2012 Mercedes-Benz ML350 Engine Q&A

Why does the check engine light in my ML350 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is 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. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz ML350 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in 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.
Why did my ML350 engine 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.
Who can repair my Mercedes-Benz ML350 engine? For Mercedes-Benz ML350 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.