Why does the check engine light come on when I start my 500SEC?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your 500SEC firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Mercedes-Benz 500SEC making engine noise?

Strange under-the-hood noises can point to problems within your Mercedes-Benz 500SEC engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz 500SEC engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Mercedes-Benz 500SEC 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 500SEC when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my 500SEC engine suddenly stop?

If your 500SEC car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Mercedes-Benz 500SEC repair?

Your local Firestone Complete Auto Care fixes Mercedes-Benz 500SEC engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1985 Mercedes-Benz 500SEC Engines

Learn about

1985 Mercedes-Benz 500SEC Trim Options

Select your Mercedes-Benz 500SEC trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz 500SEC parts will get older and change.

V8/5.0L

Repairs for Your 1985 Mercedes-Benz 500SEC

Nothing lasts forever. Even your Mercedes-Benz 500SEC's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1985 Mercedes-Benz 500SEC services.

We Know Mercedes-Benz 500SEC Engines

The Mercedes-Benz 500SEC is respected for its reliability. You probably thought about that when you got 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 1985 Mercedes-Benz 500SEC engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz 500SEC 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 1985 Mercedes-Benz 500SEC

If your 500SEC check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your vehicle's ignition, Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your 500SEC to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs your Mercedes-Benz 500SEC engine needs some TLC are essential fluid leaks, or engine misfiring.

1985 500SEC Engine Services

If your 1985 Mercedes-Benz 500SEC needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a repair can wait, 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 1985 500SEC engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the serpentine belt, valve guide seal, ignition coil, or other parts.

Questions About 1985 Mercedes-Benz 500SEC Engines

Why does the check engine light come on when I start my 500SEC? It’s usually normal for your check engine light to turn on upon ignition. It’s just your 500SEC firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Mercedes-Benz 500SEC making engine noise? Strange under-the-hood noises can point to problems within your Mercedes-Benz 500SEC engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz 500SEC engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Mercedes-Benz 500SEC 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 500SEC when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my 500SEC engine suddenly stop? If your 500SEC car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Mercedes-Benz 500SEC repair? Your local Firestone Complete Auto Care fixes Mercedes-Benz 500SEC engines. Book an appointment today! We have thousands of locations across the country.