Why does the check engine light come on when I start my E550?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your E550 firing up its circuits. The light should turn off in a bit, but come see us 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 E550. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Mercedes-Benz E550 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Mercedes-Benz E550 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 E550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my E550 to suddenly stop?

Reasons your E550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Mercedes-Benz E550 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz E550 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2009 Mercedes-Benz E550

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2009 Mercedes-Benz E550 Trim Options

Select your Mercedes-Benz E550 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/5.5L

2009 Mercedes-Benz E550 Repair

Stuff wears out. Even your Mercedes-Benz E550's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2009 Mercedes-Benz E550 repairs.

We Know Mercedes-Benz E550 Engines

Mercedes-Benz E550 drivers trust that their E550 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 2009 Mercedes-Benz E550 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz E550 engine will be in good hands. 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.

My 2009 Mercedes-Benz E550 Check Engine Light Is On

As soon as your E550 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 car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your E550 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine pinging noises, burning smells, or engine misfiring.

Mercedes-Benz E550 Engine Repair

If your 2009 Mercedes-Benz E550 needs engine repair, 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 repair can wait, we'll let 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. Choose Firestone Complete Auto Care for Mercedes-Benz E550 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, valve guide seal, fuses, or other parts.

2009 Mercedes-Benz E550 Engine Q&A

Why does the check engine light come on when I start my E550? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your E550 firing up its circuits. The light should turn off in a bit, but come see us 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 E550. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Mercedes-Benz E550 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Mercedes-Benz E550 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 E550 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my E550 to suddenly stop? Reasons your E550 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Mercedes-Benz E550 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz E550 engines. Book an appointment today! We have thousands of locations across the country.