Why won’t my S430 battery hold a charge?

A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my old S430 battery?

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

How much will replacing my Mercedes-Benz S430’s battery cost if I get a DieHard battery?

Get affordable prices on Mercedes-Benz S430 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 do car batteries 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 S430’s battery post?

If you notice white, crusty stuff around the battery terminals of your S430, 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 S430’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I remove corrosion from my S430 car battery?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your S430 owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.

Who sells S430 batteries near me?

Your local Firestone Complete Auto Care sells and installs S430 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2003 Mercedes-Benz S430 Batteries

Get a New Mercedes-Benz Battery

Get a New Mercedes-Benz S430 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2003 Mercedes-Benz S430 at Firestone Complete Auto Care.

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The Right Battery Size for a 2003 Mercedes-Benz S430

Not sure what battery to get for your Mercedes-Benz S430? Check the chart to find the right car battery size and cold cranking amps for your S430.

Battery	Engine	Warranty		Cold Cranking Amps
H8-AGM	V8/4.3L	Replacement 36 months	Performance months	900

BATTERIES
V8/4.3L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Buying a Replacement Battery for Mercedes-Benz S430

You can pretty much drive your Mercedes-Benz S430 until you don't want to anymore. But your S430's battery? Don't count on it to last forever. 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 S430 stranded. Pay attention to clues that your battery is on its way out. A sluggish engine start, an illuminated battery or check engine light, swollen battery case, corrosion-covered posts, or weak lights can all be signs that your battery is waving goodbye.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Stop by for a free battery test and, if necessary, a battery replacement to help keep your 2003 Mercedes-Benz S430 running! Car batteries are one of our many specialties! Our technicians are well-acquainted with Mercedes-Benz’s service specs for S430 battery CCAs and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Find the Right DieHard Battery for Your S430

We know what’s best for your Mercedes-Benz S430, which is why we carry just that. You need a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries go above and beyond and house the latest technology to fuel the increasing power demands of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Mercedes-Benz S430 and drive with confidence knowing that performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

Making Your S430’s New Battery Last

Have you recently had a fresh battery installed in your Mercedes-Benz S430? Great job! 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, cutting back on unnecessary short trips, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked S430 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a S430-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

Why won’t my S430 battery hold a charge? A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my old S430 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much will replacing my Mercedes-Benz S430’s battery cost if I get a DieHard battery? Get affordable prices on Mercedes-Benz S430 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 do car batteries 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 S430’s battery post? If you notice white, crusty stuff around the battery terminals of your S430, 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 S430’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I remove corrosion from my S430 car battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your S430 owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
Who sells S430 batteries near me? Your local Firestone Complete Auto Care sells and installs S430 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.