Why does the check engine light come on when I start my 300TE?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your 300TE firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Mercedes-Benz 300TE making engine noise?

Unusual noises can signal a problem with your Mercedes-Benz 300TE 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 indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Mercedes-Benz 300TE 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my Mercedes-Benz 300TE 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 300TE engine to suddenly stop?

Your 300TE car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my Mercedes-Benz 300TE engine?

For Mercedes-Benz 300TE engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

1990 Mercedes-Benz 300TE Engine Repair

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1990 Mercedes-Benz 300TE Trim Options

Select your Mercedes-Benz 300TE trim level to learn more about Mercedes-Benz-recommended engine repair. Even Mercedes-Benz 300TE parts will get older and change.

L6/3.0L

Mercedes-Benz 300TE Repairs and Services

Nothing lasts forever. Even your Mercedes-Benz 300TE’s engine parts and components will change. 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 1990 Mercedes-Benz 300TE.

We Care for Mercedes-Benz 300TE Engines

Mercedes-Benz 300TE engines are known for their 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. If the unexpected strikes, you may search the internet frantically for quick and affordable 1990 Mercedes-Benz 300TE engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz 300TE engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1990 Mercedes-Benz 300TE

An illuminated check engine light on your Mercedes-Benz 300TE 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 that won't go away on its own. Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 300TE issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, burning smells, or a sinking feeling that something’s wrong.

Mercedes-Benz 300TE Engine Repair

If your 1990 300TE engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for 300TE engine repairs and you can drive easy knowing that we use Mercedes-Benz-approved parts and fluids — serpentine belt, valve guide seal, sensors, or other parts.

Questions About 1990 Mercedes-Benz 300TE Engines

Why does the check engine light come on when I start my 300TE? It’s usually normal for your check engine light to turn on upon ignition. It’s just your 300TE firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Mercedes-Benz 300TE making engine noise? Unusual noises can signal a problem with your Mercedes-Benz 300TE 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 indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Mercedes-Benz 300TE 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my Mercedes-Benz 300TE 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 300TE engine to suddenly stop? Your 300TE car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my Mercedes-Benz 300TE engine? For Mercedes-Benz 300TE engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.