Why does the check engine light come on when I start my GL550?

It's okay if your check engine light comes on when you first start your vehicle. This is just your GL550 testing 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. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to 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 GL550 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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 put water in my Mercedes-Benz GL550 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 GL550 engine suddenly stop?

There are different reasons your GL550 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Where can I go for Mercedes-Benz GL550 repair?

Your local Firestone Complete Auto Care fixes Mercedes-Benz GL550 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2016 Mercedes-Benz GL550 Engines

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2016 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.

V8/4.7L

Mercedes-Benz GL550 Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz GL550’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2016 Mercedes-Benz GL550 services.

We Know Mercedes-Benz GL550 Engines

The Mercedes-Benz GL550 is respected for its reliability. 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 sideways sometimes. If they do, you’ll have to find a dependable 2016 Mercedes-Benz service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz GL550 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 2016 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 on or flashing could be a symptom of a serious problem in your car’s ignition, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your GL550 issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Mercedes-Benz GL550 engine service might include oil leaks, or engine misfiring.

2016 GL550 Engine Services

If your 2016 Mercedes-Benz GL550 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. 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 2016 GL550 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the serpentine belt, motor oil seal, sensors, or a different component.

2016 Mercedes-Benz GL550 Engine Q&A

Why does the check engine light come on when I start my GL550? It's okay if your check engine light comes on when you first start your vehicle. This is just your GL550 testing 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. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to 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 GL550 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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 put water in my Mercedes-Benz GL550 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 GL550 engine suddenly stop? There are different reasons your GL550 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Where can I go for Mercedes-Benz GL550 repair? Your local Firestone Complete Auto Care fixes Mercedes-Benz GL550 engines. Book an appointment today! We have thousands of locations across the country.