Why does my E320’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 just your E320 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Mercedes-Benz E320 engine noises bad?

Strange under-the-hood noises can point to problems within your Mercedes-Benz E320 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 E320 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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 E320 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 E320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my E320 to suddenly stop?

There are different reasons your E320 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 fixes Mercedes-Benz E320 engines?

Your local Firestone Complete Auto Care fixes Mercedes-Benz E320 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2009 Mercedes-Benz E320 Engines

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2009 Mercedes-Benz E320 Trim Options

Select your Mercedes-Benz E320 trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz E320 parts will get older and change.

V6/3.0L

2009 Mercedes-Benz E320 Repair

Stuff wears out. Even your Mercedes-Benz E320'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 2009 Mercedes-Benz E320.

We’re Trained to Care for Mercedes-Benz E320 Engines

The Mercedes-Benz E320 is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2009 Mercedes-Benz E320 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 E320 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2009 Mercedes-Benz E320

An illuminated check engine light on your Mercedes-Benz E320 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 system that won't go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your E320 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your Mercedes-Benz E320 engine needs some TLC are burning smells, or misfiring.

2009 E320 Engine Services

If your 2009 Mercedes-Benz E320 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 2009 E320 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the cambelt, oil gasket, fuses, or another part.

Engine Q&A 2009 Mercedes-Benz E320

Why does my E320’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 just your E320 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Mercedes-Benz E320 engine noises bad? Strange under-the-hood noises can point to problems within your Mercedes-Benz E320 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 E320 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still 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 E320 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 E320 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my E320 to suddenly stop? There are different reasons your E320 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 fixes Mercedes-Benz E320 engines? Your local Firestone Complete Auto Care fixes Mercedes-Benz E320 engines. Book an appointment today! We have thousands of locations across the country.