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 just your CLS63 AMG S testing 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 CLS63 AMG S making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz CLS63 AMG S engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 CLS63 AMG S 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. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Mercedes-Benz CLS63 AMG S radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir 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.

Who fixes Mercedes-Benz CLS63 AMG S engines?

For Mercedes-Benz CLS63 AMG S 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 2016 Mercedes-Benz CLS63 AMG S

Learn about

2016 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

Repairs for Your 2016 Mercedes-Benz CLS63 AMG S

Nothing stays the same forever. Even your Mercedes-Benz CLS63 AMG S's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2016 Mercedes-Benz CLS63 AMG S.

We Know Mercedes-Benz CLS63 AMG S Engines

Mercedes-Benz CLS63 AMG S engines are known for their reliability. 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 wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2016 Mercedes-Benz CLS63 AMG S engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz CLS63 AMG S 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.

Illuminated Check Engine Light on 2016 Mercedes-Benz CLS63 AMG S

As soon as your CLS63 AMG S check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your CLS63 AMG S to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

Mercedes-Benz CLS63 AMG S Engine Repair

When your Mercedes-Benz 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 never do any work without your sign-off. 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercedes-Benz CLS63 AMG S engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing belt, engine oil seal, fuses, or a different component.

Questions About 2016 Mercedes-Benz CLS63 AMG S Engines

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 just your CLS63 AMG S testing 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 CLS63 AMG S making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz CLS63 AMG S engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 CLS63 AMG S 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. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Mercedes-Benz CLS63 AMG S radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir 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.
Who fixes Mercedes-Benz CLS63 AMG S engines? For Mercedes-Benz CLS63 AMG S 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.