Why does my 500SEL’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. 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 is my Mercedes-Benz 500SEL making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz 500SEL. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz 500SEL 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to my Mercedes-Benz 500SEL 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.

What could cause my 500SEL engine to suddenly stop?

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

Who repairs Mercedes-Benz 500SEL engines?

For Mercedes-Benz 500SEL 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.

Reliable Repairs for 1993 Mercedes-Benz 500SEL Engines

Learn about

1993 Mercedes-Benz 500SEL Trim Options

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

V8/5.0L

Mercedes-Benz 500SEL Repairs and Services

Stuff wears out. Even your Mercedes-Benz 500SEL's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1993 Mercedes-Benz 500SEL repairs.

We’re Trained to Care for Mercedes-Benz 500SEL Engines

Mercedes-Benz 500SEL drivers trust that their 500SEL will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 1993 Mercedes-Benz 500SEL 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 more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz 500SEL engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 1993 Mercedes-Benz 500SEL

An illuminated check engine light on your Mercedes-Benz 500SEL is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your 500SEL 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 500SEL engine service might include essential fluid leaks, or misfiring.

Engine Repairs for Your 1993 500SEL

When your Mercedes-Benz 500SEL engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. 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. By choosing Firestone Complete Auto Care for 500SEL engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing belt, valve guide seal, ignition coil, or other parts.

1993 Mercedes-Benz 500SEL Engine Q&A

Why does my 500SEL’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. 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 is my Mercedes-Benz 500SEL making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz 500SEL. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz 500SEL 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to my Mercedes-Benz 500SEL 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.
What could cause my 500SEL engine to suddenly stop? If your 500SEL car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who repairs Mercedes-Benz 500SEL engines? For Mercedes-Benz 500SEL 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.