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

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing 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 engine sounds can be a sign something’s off in your Mercedes-Benz SL550. Tapping or knocking could mean you're low on oil. 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 a sign of brake problems rather than engine issues.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz SL550 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Mercedes-Benz SL550 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 SL550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my SL550 to suddenly stop?

There are different reasons your SL550 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 can repair my Mercedes-Benz SL550 engine?

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

2016 Mercedes-Benz SL550 Engine Repair

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2016 Mercedes-Benz SL550 Trim Options

Select your Mercedes-Benz SL550 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/4.7L

2016 Mercedes-Benz SL550 Repair

Nothing stays the same forever. Even your Mercedes-Benz SL550's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2016 Mercedes-Benz SL550.

We Care for Mercedes-Benz SL550 Engines

The Mercedes-Benz SL550 is respected for its reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 2016 Mercedes-Benz service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz SL550 engine will be in good hands. 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 2016 Mercedes-Benz SL550

If your SL550 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 fuel, Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your SL550 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. rattling sounds, oil leaks, or misfiring.

Engine Repairs for Your 2016 SL550

When your Mercedes-Benz SL550 engine needs repairs, 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 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 provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2016 SL550 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the cambelt, motor oil seal, fuses, or another part.

Questions About 2016 Mercedes-Benz SL550 Engines

Why does the check engine light come on when I start my SL550? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing 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 engine sounds can be a sign something’s off in your Mercedes-Benz SL550. Tapping or knocking could mean you're low on oil. 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 a sign of brake problems rather than engine issues.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz SL550 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Mercedes-Benz SL550 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 SL550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my SL550 to suddenly stop? There are different reasons your SL550 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 can repair my Mercedes-Benz SL550 engine? Your local Firestone Complete Auto Care fixes Mercedes-Benz SL550 engines. Book an appointment today! We have thousands of locations across the country.