Why doesn’t my 300D battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead 300D battery?

We recycle it! Nearly 100% of all lead-acid batteries are recyclable.

How much will replacing my Mercedes-Benz 300D’s battery cost if I get a DieHard battery?

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.

What is the average lifespan of a car battery?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

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

The white, crusty stuff that can accumulate around 300D car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

What do I do about corrosion on my 300D car battery?

Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.

Where can I purchase 300D batteries near me?

Your local Firestone Complete Auto Care sells and installs 300D batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

Car Batteries for 1987 Mercedes-Benz 300D

Get a New Mercedes-Benz Battery

Get a New Mercedes-Benz 300D Battery

Don't let a failing battery slow you down. Shop replacement batteries for 1987 Mercedes-Benz 300Ds today and schedule a quick installation at Firestone Complete Auto Care.

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1987 Mercedes-Benz 300D Battery Replacement & Size

Researching battery replacements for your Mercedes-Benz 300D? Check the chart to find the right car battery size and cold cranking amps for your 300D.

Battery	Engine	Warranty		Cold Cranking Amps
93-1	L6/3.0L	Replacement 24 months	Performance months	825
T8	L6/3.0L	Replacement 36 months	Performance months	800
H8-AGM	L6/3.0L	Replacement 36 months	Performance months	900

BATTERIES
L6/3.0L - Battery: 93-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 825
L6/3.0L - Battery: T8 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L6/3.0L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Shopping for Mercedes-Benz 300D Car Batteries

Your 300D doesn't have an expiration date, but its battery does. 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. Pay attention to clues that your battery is on its way out. A slow engine crank, an illuminated battery or check engine light, bloated battery case, corrosion-covered posts, and subpar electrical performance can all signal that your battery is on its last leg.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Drop in for a free battery check and, if needed, a replacement battery for your 1987 Mercedes-Benz 300D. Car batteries are only one of our many strong suits. Our expert technicians understand Mercedes-Benz service recommendations for 300D battery cold cranking amps and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Why Choose a DieHard Battery for Your 300D?

We know what’s best for your Mercedes-Benz 300D, which is why we carry just that. Your 300D needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries go above and beyond using state-of-the-art advancements to fuel the growing power demands of new vehicles and their accessories. They're no ordinary battery, they're extraordinary. Buy a DieHard battery for your Mercedes-Benz 300D and have the peace of mind that performance will be there when you need it most. That's the kind of battery we deliver.

Making Your 300D’s New Battery Last

Did you recently have a new 1987 Mercedes-Benz 300D car battery installed? Good thinking! You can give your new battery a head start with proper care and attention. turning off all of the lights when you leave your vehicle, limiting short trips, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.

Answers to Your 300D Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are Mercedes-Benz 300D-specific, visit your nearest store. Our technicians have the answers.

Why doesn’t my 300D battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the cabin light at night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead 300D battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much will replacing my Mercedes-Benz 300D’s battery cost if I get a DieHard battery? 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.
What is the average lifespan of a car battery? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
What is the white, crusty substance accumulating on my 300D’s battery post? The white, crusty stuff that can accumulate around 300D car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
What do I do about corrosion on my 300D car battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
Where can I purchase 300D batteries near me? Your local Firestone Complete Auto Care sells and installs 300D batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.