Why does my S500’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your S500 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Mercedes-Benz S500 engine noises bad?

Strange under-the-hood noises can point to problems within your Mercedes-Benz S500 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal 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 S500 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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.

Is it okay to put water in my Mercedes-Benz S500 radiator?

While it’s not recommended, you can use water in your S500 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 S500 engine suddenly stop?

Reasons your S500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs Mercedes-Benz S500 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz S500 engines. Book an appointment today! We have thousands of locations across the country.

2021 Mercedes-Benz S500 Engine Repair

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2021 Mercedes-Benz S500 Trim Options

Select your Mercedes-Benz S500 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

Repairs for Your 2021 Mercedes-Benz S500

Stuff wears out. Even your Mercedes-Benz S500's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2021 Mercedes-Benz S500 repairs.

We Care for Mercedes-Benz S500 Engines

Mercedes-Benz S500 drivers trust that their S500 will take them near and far. 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 wrong on the road. When they do, you might find yourself searching for 2021 Mercedes-Benz S500 engine repair or replacement parts. 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 S500 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.

My 2021 Mercedes-Benz S500 Check Engine Light Is On

An illuminated check engine light on your Mercedes-Benz S500 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. Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your S500 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or misfiring.

Engine Repairs for Your 2021 S500

If your 2021 S500 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2021 S500 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, engine oil seal, ignition coil, or a different component.

Engine Q&A 2021 Mercedes-Benz S500

Why does my S500’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your S500 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Mercedes-Benz S500 engine noises bad? Strange under-the-hood noises can point to problems within your Mercedes-Benz S500 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal 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 S500 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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.
Is it okay to put water in my Mercedes-Benz S500 radiator? While it’s not recommended, you can use water in your S500 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 S500 engine suddenly stop? Reasons your S500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Mercedes-Benz S500 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz S500 engines. Book an appointment today! We have thousands of locations across the country.