Why does the check engine light come on when I start my SL550?

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 light should turn off in a bit, but come see us if it doesn't.

Why is my Mercedes-Benz SL550 making engine noise?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz SL550. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 SL550 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle 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 put water in my Mercedes-Benz SL550 radiator?

While it’s not recommended, you can use water in your SL550 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a SL550 engine to suddenly stop?

Reasons your SL550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs Mercedes-Benz SL550 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz SL550 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2018 Mercedes-Benz SL550 Engines

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2018 Mercedes-Benz SL550 Trim Options

Select your Mercedes-Benz SL550 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz SL550 parts will get older and change.

V8/4.7L

2018 Mercedes-Benz SL550 Repair

Stuff wears out. Even your Mercedes-Benz SL550’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2018 Mercedes-Benz SL550 services.

We Know Mercedes-Benz SL550 Engines

The Mercedes-Benz SL550 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 sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2018 Mercedes-Benz SL550 engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz SL550 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2018 Mercedes-Benz SL550 Check Engine Light Is On

As soon as your SL550 check engine light turns on, it’s time to get an expert’s opinion. 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. Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your SL550 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 SL550 engine service might include burning smells, or misfiring.

Engine Repairs for Your 2018 SL550

If your 2018 SL550 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Mercedes-Benz SL550 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing belt, valve guide seal, sensors, or another part.

Engine Q&A 2018 Mercedes-Benz SL550

Why does the check engine light come on when I start my SL550? 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 light should turn off in a bit, but come see us if it doesn't.
Why is my Mercedes-Benz SL550 making engine noise? Strange engine sounds can be a sign something’s off in your Mercedes-Benz SL550. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 SL550 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle 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 put water in my Mercedes-Benz SL550 radiator? While it’s not recommended, you can use water in your SL550 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a SL550 engine to suddenly stop? Reasons your SL550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Mercedes-Benz SL550 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz SL550 engines. Book an appointment today! We have thousands of locations across the country.