Why does my E550’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your E550 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 E550 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 indicate 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 E550 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Mercedes-Benz E550 radiator?

It’s not recommended you put water in your E550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

Why did my E550 engine suddenly stop?

Reasons your E550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Mercedes-Benz E550 engine?

For Mercedes-Benz E550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2017 Mercedes-Benz E550

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2017 Mercedes-Benz E550 Trim Options

Select your Mercedes-Benz E550 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz E550 parts will get older and change.

V8/4.7L

2017 Mercedes-Benz E550 Repair

Stuff wears out. Even your Mercedes-Benz E550's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2017 Mercedes-Benz E550 services.

We Know Mercedes-Benz E550 Engines

Mercedes-Benz E550 drivers trust that their E550 will take them near and far. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 2017 Mercedes-Benz E550 engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz E550 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2017 Mercedes-Benz E550 Check Engine Light Is On

An illuminated check engine light on your Mercedes-Benz E550 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 starter, Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your E550 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

Mercedes-Benz E550 Engine Repair

If your 2017 Mercedes-Benz E550 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 isn’t urgent right now, we’ll let 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 E550 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the timing belt, oil gasket, fuses, or a different component.

2017 Mercedes-Benz E550 Engine Q&A

Why does my E550’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your E550 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 E550 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 indicate 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 E550 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Mercedes-Benz E550 radiator? It’s not recommended you put water in your E550 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
Why did my E550 engine suddenly stop? Reasons your E550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Mercedes-Benz E550 engine? For Mercedes-Benz E550 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.