Why does the check engine light come on when I start my GL450?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your GL450 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Mercedes-Benz GL450 making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz GL450 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 might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz GL450 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. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Mercedes-Benz GL450 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my GL450 engine suddenly stop?

If your GL450 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 GL450 engine?

Your local Firestone Complete Auto Care has you covered with expert GL450 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2016 Mercedes-Benz GL450 Engine Repair

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2016 Mercedes-Benz GL450 Trim Options

Select your Mercedes-Benz GL450 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.0L

Repairs for Your 2016 Mercedes-Benz GL450

Stuff wears out. Even your Mercedes-Benz GL450's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2016 Mercedes-Benz GL450 services.

We Know Mercedes-Benz GL450 Engines

Mercedes-Benz GL450 engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2016 Mercedes-Benz GL450 engine repair or replacement parts. 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 GL450 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2016 Mercedes-Benz GL450

An illuminated check engine light on your Mercedes-Benz GL450 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your GL450 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or engine misfiring.

Mercedes-Benz GL450 Engine Repair

If your 2016 GL450 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 isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Mercedes-Benz GL450 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — cambelt, motor oil seal, ignition coil, or other parts.

2016 Mercedes-Benz GL450 Engine Q&A

Why does the check engine light come on when I start my GL450? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your GL450 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Mercedes-Benz GL450 making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz GL450 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 might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz GL450 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. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Mercedes-Benz GL450 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my GL450 engine suddenly stop? If your GL450 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 GL450 engine? Your local Firestone Complete Auto Care has you covered with expert GL450 engine repair. Schedule an appointment today and see us at one of our thousands of locations.