Why does the check engine light in my GL550 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your GL550 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 GL550 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 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 GL550 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Mercedes-Benz GL550 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 GL550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a GL550 engine to suddenly stop?

Reasons your GL550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs Mercedes-Benz GL550 engines?

Your local Firestone Complete Auto Care has you covered with expert GL550 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2010 Mercedes-Benz GL550 Engine Repair

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2010 Mercedes-Benz GL550 Trim Options

Select your Mercedes-Benz GL550 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz GL550 parts will get older and change.

V8/5.5L

Mercedes-Benz GL550 Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz GL550’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2010 Mercedes-Benz GL550.

We’re Trained to Care for Mercedes-Benz GL550 Engines

Mercedes-Benz GL550 drivers trust that their GL550 will take them near and far. 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 wrong on the road. If they do, you’ll have to find a dependable 2010 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 GL550 engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2010 Mercedes-Benz GL550

An illuminated check engine light on your Mercedes-Benz GL550 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 control 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 leak in the engine vacuum, to name a few potential sources. Bring your GL550 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, oil leaks, or a sinking feeling that something’s wrong.

2010 GL550 Engine Services

If your 2010 GL550 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 can wait, we'll let you know. We'll also tell you if it's necessary for your safety. 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 2010 GL550 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing chain or belt, oil gasket, fuses, or a different component.

2010 Mercedes-Benz GL550 Engine Q&A

Why does the check engine light in my GL550 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your GL550 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 GL550 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 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 GL550 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Mercedes-Benz GL550 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 GL550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a GL550 engine to suddenly stop? Reasons your GL550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Mercedes-Benz GL550 engines? Your local Firestone Complete Auto Care has you covered with expert GL550 engine repair. Schedule an appointment today and see us at one of our thousands of locations.