Why does the check engine light come on when I start my GL320?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your GL320 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?

Unusual noises can signal a problem with your Mercedes-Benz GL320 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate 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 GL320 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 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 put water in my Mercedes-Benz GL320 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 GL320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my GL320 engine suddenly stop?

Your GL320 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 GL320 engines?

Your local Firestone Complete Auto Care has you covered with expert GL320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2009 Mercedes-Benz GL320

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2009 Mercedes-Benz GL320 Trim Options

Select your Mercedes-Benz GL320 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

2009 Mercedes-Benz GL320 Repair

Nothing lasts forever. Even your Mercedes-Benz GL320’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 GL320 repairs.

We Know Mercedes-Benz GL320 Engines

Mercedes-Benz GL320 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2009 Mercedes-Benz GL320 engine repairs. 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 GL320 engines. 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.

Check Engine Light on 2009 Mercedes-Benz GL320

If your GL320 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your GL320 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs your Mercedes-Benz GL320 engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

2009 GL320 Engine Services

When your Mercedes-Benz GL320 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a service can wait, we’ll make sure 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. Choose Firestone Complete Auto Care for Mercedes-Benz GL320 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing belt, valve guide seal, ignition coil, or a different component.

Questions About 2009 Mercedes-Benz GL320 Engines

Why does the check engine light come on when I start my GL320? It's okay if your check engine light comes on when you first start your vehicle. It’s just your GL320 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? Unusual noises can signal a problem with your Mercedes-Benz GL320 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate 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 GL320 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 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 put water in my Mercedes-Benz GL320 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 GL320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my GL320 engine suddenly stop? Your GL320 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 GL320 engines? Your local Firestone Complete Auto Care has you covered with expert GL320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.