Why does the check engine light in my 500SL turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your 500SL firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Mercedes-Benz engine sound different?

Strange under-the-hood noises can point to problems within your Mercedes-Benz 500SL engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz 500SL 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Mercedes-Benz 500SL 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 can cause the engine in my 500SL to suddenly stop?

There are different reasons your 500SL vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who repairs Mercedes-Benz 500SL engines?

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

Engine Repairs for Your 1990 Mercedes-Benz 500SL

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1990 Mercedes-Benz 500SL Trim Options

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

V8/5.0L

Repairs for Your 1990 Mercedes-Benz 500SL

Nothing lasts forever. Even your Mercedes-Benz 500SL'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 1990 Mercedes-Benz 500SL.

We Know Mercedes-Benz 500SL Engines

Mercedes-Benz 500SL engines are known for their reliability. 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 sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1990 Mercedes-Benz 500SL 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 500SL 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 1990 Mercedes-Benz 500SL

An illuminated check engine light on your Mercedes-Benz 500SL is one of the first signs it's time to 'brake' for engine service. 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 an engine vacuum leak, but that's only a few of the possible causes. Bring your 500SL in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or engine misfiring.

Mercedes-Benz 500SL Engine Repair

When your Mercedes-Benz 500SL engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Mercedes-Benz 500SL engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing chain or belt, valve guide seal, ignition coil, or other parts.

1990 Mercedes-Benz 500SL Engine Q&A

Why does the check engine light in my 500SL turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your 500SL firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Mercedes-Benz engine sound different? Strange under-the-hood noises can point to problems within your Mercedes-Benz 500SL engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz 500SL 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Mercedes-Benz 500SL 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 can cause the engine in my 500SL to suddenly stop? There are different reasons your 500SL vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who repairs Mercedes-Benz 500SL engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz 500SL engines. Book an appointment today! We have thousands of locations across the country.