Why does the check engine light come on when I start my E320?

Generally, your check engine light turning on upon ignition is not a bad thing. 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?

Unusual noises can signal a problem with your Mercedes-Benz E320 engine. Tapping or knocking could mean you need an oil change. 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Mercedes-Benz E320 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 use water in my Mercedes-Benz E320 radiator?

It’s not recommended you put water in your E320 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

Why did my E320 engine suddenly stop?

Your E320 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Mercedes-Benz E320 repair?

Your local Firestone Complete Auto Care has you covered with expert E320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2002 Mercedes-Benz E320 Engines

Learn about

2002 Mercedes-Benz E320 Trim Options

Select your Mercedes-Benz E320 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V6/3.2L

Repairs for Your 2002 Mercedes-Benz E320

Nothing stays the same forever. Even your Mercedes-Benz E320’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2002 Mercedes-Benz E320 services.

We Care for Mercedes-Benz E320 Engines

Mercedes-Benz E320 engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2002 Mercedes-Benz service center — quick! 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 E320 engine will be in good hands. 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.

Check Engine Light on 2002 Mercedes-Benz E320

If your E320 check engine light is on, it’s time to get it looked at. 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, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your E320 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. rattling sounds, essential fluid leaks, or engine misfiring.

2002 E320 Engine Services

If your 2002 E320 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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. By choosing Firestone Complete Auto Care for E320 engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — timing belt, engine oil seal, sensors, or other parts.

Questions About 2002 Mercedes-Benz E320 Engines

Why does the check engine light come on when I start my E320? Generally, your check engine light turning on upon ignition is not a bad thing. 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? Unusual noises can signal a problem with your Mercedes-Benz E320 engine. Tapping or knocking could mean you need an oil change. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Mercedes-Benz E320 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 use water in my Mercedes-Benz E320 radiator? It’s not recommended you put water in your E320 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
Why did my E320 engine suddenly stop? Your E320 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Mercedes-Benz E320 repair? Your local Firestone Complete Auto Care has you covered with expert E320 engine repair. Schedule an appointment today and see us at one of our thousands of locations.