Why does my ML320’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. This is just your ML320 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Mercedes-Benz ML320 making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz ML320 engine. Knocking or tapping could be a symptom of low oil. 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 my Mercedes-Benz ML320 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 add water to my Mercedes-Benz ML320 radiator?

While it’s not recommended, you can use water in your ML320 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

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

If your ML320 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 ML320 repair?

Your local Firestone Complete Auto Care fixes Mercedes-Benz ML320 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1999 Mercedes-Benz ML320

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1999 Mercedes-Benz ML320 Trim Options

Select your Mercedes-Benz ML320 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz ML320 parts will get older and change.

V6/3.2L

1999 Mercedes-Benz ML320 Repair

Nothing stays the same 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 1999 Mercedes-Benz ML320 services.

We’re Trained to Care for Mercedes-Benz ML320 Engines

Mercedes-Benz ML320 drivers trust that their ML320 will take them near and far. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 1999 Mercedes-Benz service center — quick! That’s where Firestone Complete Auto Care comes in. 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 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 1999 Mercedes-Benz ML320

As soon as your ML320 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 car’s starter, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your ML320 issues diagnosed and our expert techs will get the root of the problem. Other signs your Mercedes-Benz ML320 engine needs some TLC are essential fluid leaks, or engine misfiring.

1999 ML320 Engine Services

If your 1999 ML320 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for ML320 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing chain or belt, engine oil seal, fuses, or other parts.

Engine Q&A 1999 Mercedes-Benz ML320

Why does my ML320’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. This is just your ML320 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Mercedes-Benz ML320 making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz ML320 engine. Knocking or tapping could be a symptom of low oil. 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 my Mercedes-Benz ML320 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 add water to my Mercedes-Benz ML320 radiator? While it’s not recommended, you can use water in your ML320 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause the engine in my ML320 to suddenly stop? If your ML320 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 ML320 repair? Your local Firestone Complete Auto Care fixes Mercedes-Benz ML320 engines. Book an appointment today! We have thousands of locations across the country.