Why does the check engine light in my CLS63 AMG S turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is 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?

Unusual noises can signal a problem with your Mercedes-Benz CLS63 AMG S engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz CLS63 AMG S engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Mercedes-Benz CLS63 AMG S 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 CLS63 AMG S when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my CLS63 AMG S engine suddenly stop?

Your CLS63 AMG S car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Mercedes-Benz CLS63 AMG S repair?

Your local Firestone Complete Auto Care has you covered with expert CLS63 AMG S engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2018 Mercedes-Benz CLS63 AMG S Engines

Learn about

2018 Mercedes-Benz CLS63 AMG S Trim Options

Select your Mercedes-Benz CLS63 AMG S trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/5.5L

Mercedes-Benz CLS63 AMG S Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz CLS63 AMG S's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2018 Mercedes-Benz CLS63 AMG S.

We’re Trained to Care for Mercedes-Benz CLS63 AMG S Engines

Mercedes-Benz CLS63 AMG S drivers trust that their CLS63 AMG S will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 2018 Mercedes-Benz CLS63 AMG S 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. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz CLS63 AMG S engines. 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.

Illuminated Check Engine Light on 2018 Mercedes-Benz CLS63 AMG S

An illuminated check engine light on your Mercedes-Benz CLS63 AMG S 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, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your CLS63 AMG S 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 CLS63 AMG S engine service might include oil leaks, or engine misfiring.

Engine Repairs for Your 2018 CLS63 AMG S

If your 2018 CLS63 AMG S engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let 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. By choosing Firestone Complete Auto Care for CLS63 AMG S engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — cambelt, oil gasket, ignition coil, or other parts.

2018 Mercedes-Benz CLS63 AMG S Engine Q&A

Why does the check engine light in my CLS63 AMG S turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is 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? Unusual noises can signal a problem with your Mercedes-Benz CLS63 AMG S engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz CLS63 AMG S engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Mercedes-Benz CLS63 AMG S 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 CLS63 AMG S when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my CLS63 AMG S engine suddenly stop? Your CLS63 AMG S car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Mercedes-Benz CLS63 AMG S repair? Your local Firestone Complete Auto Care has you covered with expert CLS63 AMG S engine repair. Schedule an appointment today and see us at one of our thousands of locations.