Why does the check engine light in my E320 turn on when I start my car?

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 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 engine sounds can be a sign something’s off in your Mercedes-Benz E320. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E320 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What can cause a E320 engine 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 can repair my Mercedes-Benz E320 engine?

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

Engine Repairs for Your 1997 Mercedes-Benz E320

Learn about

1997 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.

L6/3.2L

V6/3.2L

Mercedes-Benz E320 Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz E320's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 1997 Mercedes-Benz E320.

We Know Mercedes-Benz E320 Engines

The Mercedes-Benz E320 is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 1997 Mercedes-Benz E320 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. 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 is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1997 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 check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your E320 issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, essential fluid leaks, or a sinking feeling that something’s wrong.

Mercedes-Benz E320 Engine Repair

If your 1997 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 can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for E320 engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the serpentine belt, motor oil seal, sensors, or a different component.

Engine Q&A 1997 Mercedes-Benz E320

Why does the check engine light in my E320 turn on when I start my car? 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 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 engine sounds can be a sign something’s off in your Mercedes-Benz E320. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz E320 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause a E320 engine 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 can repair my Mercedes-Benz E320 engine? Your local Firestone Complete Auto Care fixes Mercedes-Benz E320 engines. Book an appointment today! We have thousands of locations across the country.