Why won’t my 300D battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.

What do you do with my old 300D battery?

We recycle it, taking care of both your car and the Earth.

What’s the cost of DieHard batteries for Mercedes-Benz 300Ds?

Get affordable prices on Mercedes-Benz 300D batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.

How long can I expect my car battery to last?

The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.

What is the white, crusty substance accumulating on my 300D’s battery post?

If you notice white, crusty stuff around the battery terminals of your 300D, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your 300D’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I remove corrosion from my 300D car battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your 300D owner’s manual for instructions on how to do so.

Where can I find a battery for my 300D?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install 300D batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

Car Batteries for 1992 Mercedes-Benz 300D

Get a New Mercedes-Benz Battery

Get a Battery for Your Mercedes-Benz 300D

Don't let a failing battery slow you down. Shop replacement batteries for 1992 Mercedes-Benz 300Ds today and schedule a quick installation at Firestone Complete Auto Care.

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1992 Mercedes-Benz 300D Battery Replacement & Size

Need more info about Mercedes-Benz 300D batteries? Use this chart to find the right battery size and CCAs for your Mercedes-Benz 300D.

Battery	Engine	Warranty		Cold Cranking Amps
93-1	L5/2.5L	Replacement 24 months	Performance months	825
49H8	L5/2.5L	Replacement 36 months	Performance months	900
H8-AGM	L5/2.5L	Replacement 36 months	Performance months	900

BATTERIES
L5/2.5L - Battery: 93-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 825
L5/2.5L - Battery: 49H8 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900
L5/2.5L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Buying a Replacement Battery for Mercedes-Benz 300D

Sadly, your Mercedes-Benz 300D won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Mercedes-Benz 300D stranded. Look out for symptoms of a faulty car battery. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or faded headlights can all be signs that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 1992 Mercedes-Benz 300D running! Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Mercedes-Benz service recommendations for 300D car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your 300D

Your Mercedes-Benz 300D deserves the best, which is why we only carry top-of-the-line replacement parts and batteries. Your vehicle needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard 300D batteries surpass expectations using the latest innovative technology to meet the expanding power demands of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Choose a DieHard battery for your Mercedes-Benz 300D and get behind the wheel with confidence. Why? Because performance will be there when you're counting on it. That's the kind of battery we deliver.

After Buying 1992 Mercedes-Benz 300D Battery

Got a new car battery installed in your 1992 Mercedes-Benz 300D? Congrats! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your 300D Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a 300D-specific battery question, visit your nearest store. Our technicians are happy to help.

Why won’t my 300D battery hold a charge? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.
What do you do with my old 300D battery? We recycle it, taking care of both your car and the Earth.
What’s the cost of DieHard batteries for Mercedes-Benz 300Ds? Get affordable prices on Mercedes-Benz 300D batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
How long can I expect my car battery to last? The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.
What is the white, crusty substance accumulating on my 300D’s battery post? If you notice white, crusty stuff around the battery terminals of your 300D, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your 300D’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I remove corrosion from my 300D car battery? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your 300D owner’s manual for instructions on how to do so.
Where can I find a battery for my 300D? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install 300D batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.