Why does the check engine light come on when I start my S550?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your S550 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange under-the-hood noises can point to problems within your Mercedes-Benz S550 engine. Tapping or knocking could mean you need an oil change. 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 S550 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 S550 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 S550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my S550 engine to suddenly stop?

Your S550 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Mercedes-Benz S550 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz S550 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2007 Mercedes-Benz S550

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2007 Mercedes-Benz S550 Trim Options

Select your Mercedes-Benz S550 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/5.5L

Mercedes-Benz S550 Repairs and Services

Stuff wears out. Even your Mercedes-Benz S550's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2007 Mercedes-Benz S550 repairs.

We Care for Mercedes-Benz S550 Engines

Mercedes-Benz S550 engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2007 Mercedes-Benz S550 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 S550 engine will be in good hands. 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 2007 Mercedes-Benz S550

If your S550 check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel injection, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your S550 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs it's time for Mercedes-Benz S550 engine service might include oil leaks, or engine misfiring.

2007 S550 Engine Services

If your 2007 S550 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercedes-Benz S550 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, motor oil seal, ignition coil, or a different component.

2007 Mercedes-Benz S550 Engine Q&A

Why does the check engine light come on when I start my S550? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your S550 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange under-the-hood noises can point to problems within your Mercedes-Benz S550 engine. Tapping or knocking could mean you need an oil change. 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 S550 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 S550 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 S550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my S550 engine to suddenly stop? Your S550 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Mercedes-Benz S550 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz S550 engines. Book an appointment today! We have thousands of locations across the country.