Why does my ML400’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your ML400 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Mercedes-Benz engine sound different?

Strange under-the-hood noises can point to problems within your Mercedes-Benz ML400 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 ML400 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to my Mercedes-Benz ML400 radiator?

It’s not recommended you put water in your ML400 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 ML400 engine to suddenly stop?

If your ML400 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 fixes Mercedes-Benz ML400 engines?

Your local Firestone Complete Auto Care offers Mercedes-Benz ML400 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2015 Mercedes-Benz ML400 Engines

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2015 Mercedes-Benz ML400 Trim Options

Select your Mercedes-Benz ML400 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

Mercedes-Benz ML400 Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz ML400'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 2015 Mercedes-Benz ML400.

We’re Trained to Care for Mercedes-Benz ML400 Engines

Mercedes-Benz ML400 engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 2015 Mercedes-Benz ML400 engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz ML400 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 2015 Mercedes-Benz ML400

If your ML400 check engine light is on, it’s time to get it looked at. 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, damaged spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your ML400 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 ML400 engine service might include oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2015 ML400

When your Mercedes-Benz ML400 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2015 ML400 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the serpentine belt, oil gasket, ignition coil, or other parts.

Engine Q&A 2015 Mercedes-Benz ML400

Why does my ML400’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. It’s just your ML400 firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Mercedes-Benz engine sound different? Strange under-the-hood noises can point to problems within your Mercedes-Benz ML400 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. 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 ML400 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to my Mercedes-Benz ML400 radiator? It’s not recommended you put water in your ML400 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 ML400 engine to suddenly stop? If your ML400 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 fixes Mercedes-Benz ML400 engines? Your local Firestone Complete Auto Care offers Mercedes-Benz ML400 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!