Why does the check engine light in my E300 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your E300 firing up 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 E300 engine noises bad?

Unusual noises can signal a problem with your Mercedes-Benz E300 engine. 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 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 E300 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Mercedes-Benz E300 radiator?

It’s not recommended you put water in your E300 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.

What can cause the engine in my E300 to suddenly stop?

There are different reasons your E300 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.

Where can I go for Mercedes-Benz E300 repair?

Your local Firestone Complete Auto Care offers Mercedes-Benz E300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 1999 Mercedes-Benz E300

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1999 Mercedes-Benz E300 Trim Options

Select your Mercedes-Benz E300 trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

L6/3.0L

Mercedes-Benz E300 Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz E300’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1999 Mercedes-Benz E300 repairs.

We Care for Mercedes-Benz E300 Engines

The Mercedes-Benz E300 is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 1999 Mercedes-Benz E300 engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercedes-Benz E300 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 1999 Mercedes-Benz E300

An illuminated check engine light on your Mercedes-Benz E300 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 or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your E300 in for an on-board diagnostic check and our expert techs will get the root of the problem. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

Mercedes-Benz E300 Engine Repair

If your 1999 E300 engine needs repairs, 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 service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. 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 1999 E300 engine repairs and you can feel good knowing that we only use Mercedes-Benz-compliant replacement parts such as the cambelt, motor oil seal, ignition coil, or another part.

Engine Q&A 1999 Mercedes-Benz E300

Why does the check engine light in my E300 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your E300 firing up 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 E300 engine noises bad? Unusual noises can signal a problem with your Mercedes-Benz E300 engine. 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 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 E300 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Mercedes-Benz E300 radiator? It’s not recommended you put water in your E300 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.
What can cause the engine in my E300 to suddenly stop? There are different reasons your E300 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.
Where can I go for Mercedes-Benz E300 repair? Your local Firestone Complete Auto Care offers Mercedes-Benz E300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!