Why does the check engine light in my 300TD turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 300TD testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Mercedes-Benz 300TD engine noises bad?

Strange engine sounds can be a sign something’s off in your Mercedes-Benz 300TD. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercedes-Benz 300TD 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Mercedes-Benz 300TD radiator?

It’s not recommended you put water in your 300TD 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 a 300TD engine to suddenly stop?

There are different reasons your 300TD 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 repairs Mercedes-Benz 300TD engines?

For Mercedes-Benz 300TD 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.

Reliable Repairs for 1985 Mercedes-Benz 300TD Engines

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1985 Mercedes-Benz 300TD Trim Options

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

L5/3.0L

Repairs for Your 1985 Mercedes-Benz 300TD

Stuff wears out. Even your Mercedes-Benz 300TD’s engine parts and components will change. 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 1985 Mercedes-Benz 300TD.

We Know Mercedes-Benz 300TD Engines

Mercedes-Benz 300TD drivers trust that their 300TD will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 1985 Mercedes-Benz 300TD 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 more than 500 million vehicles since 1926, and our technicians know Mercedes-Benz 300TD 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.

My 1985 Mercedes-Benz 300TD Check Engine Light Is On

If your 300TD 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 combustion, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your 300TD 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 300TD engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1985 300TD

If your 1985 Mercedes-Benz 300TD needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for 300TD engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the timing chain or belt, oil gasket, sensors, or other parts.

Engine Q&A 1985 Mercedes-Benz 300TD

Why does the check engine light in my 300TD turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your 300TD testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Mercedes-Benz 300TD engine noises bad? Strange engine sounds can be a sign something’s off in your Mercedes-Benz 300TD. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercedes-Benz 300TD 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Mercedes-Benz 300TD radiator? It’s not recommended you put water in your 300TD 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 a 300TD engine to suddenly stop? There are different reasons your 300TD 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 repairs Mercedes-Benz 300TD engines? For Mercedes-Benz 300TD 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.