Why does the check engine light in my S55 AMG turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your S55 AMG 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 is my Mercedes-Benz S55 AMG making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz S55 AMG. Tapping or knocking could mean you're low on 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 a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz S55 AMG engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Mercedes-Benz S55 AMG radiator?

While it’s not recommended, you can use water in your S55 AMG radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my S55 AMG engine suddenly stop?

If your S55 AMG 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 S55 AMG engine?

Your local Firestone Complete Auto Care has you covered with expert S55 AMG engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2004 Mercedes-Benz S55 AMG

Learn about

2004 Mercedes-Benz S55 AMG Trim Options

Select your Mercedes-Benz S55 AMG trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/5.4L

V8/5.5L

2004 Mercedes-Benz S55 AMG Repair

Stuff wears out. Even your Mercedes-Benz S55 AMG's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 2004 Mercedes-Benz S55 AMG services.

We’re Trained to Care for Mercedes-Benz S55 AMG Engines

Mercedes-Benz S55 AMG drivers trust that their S55 AMG will take them near and far. 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 they do, you’ll have to find a dependable 2004 Mercedes-Benz service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz S55 AMG engines. 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.

Check Engine Light on 2004 Mercedes-Benz S55 AMG

An illuminated check engine light on your Mercedes-Benz S55 AMG 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 or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your S55 AMG issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine rattling, oil leaks, or misfiring.

Engine Repairs for Your 2004 S55 AMG

If your 2004 Mercedes-Benz S55 AMG needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. 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 want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2004 S55 AMG engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the cambelt, engine oil seal, sensors, or other parts.

2004 Mercedes-Benz S55 AMG Engine Q&A

Why does the check engine light in my S55 AMG turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your S55 AMG 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 is my Mercedes-Benz S55 AMG making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz S55 AMG. Tapping or knocking could mean you're low on 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 a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz S55 AMG engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Mercedes-Benz S55 AMG radiator? While it’s not recommended, you can use water in your S55 AMG radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my S55 AMG engine suddenly stop? If your S55 AMG 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 S55 AMG engine? Your local Firestone Complete Auto Care has you covered with expert S55 AMG engine repair. Schedule an appointment today and see us at one of our thousands of locations.