Why doesn’t my Grand Marquis battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.

What happens to my old Grand Marquis battery?

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

How much will replacing my Mercury Grand Marquis’s battery cost if I get a DieHard battery?

You can find affordable Grand Marquis batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

How long is a car battery good for?

You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.

Why is there white, flaky stuff around my Grand Marquis’s battery post?

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

How do I clean corrosion off my Grand Marquis vehicle battery?

Regularly inspecting and cleaning your battery terminals will help keep your Grand Marquis’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Where can I find a battery for my Grand Marquis?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install Grand Marquis 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 2002 Mercury Grand Marquis

Get a New Mercury Battery

Get a New Mercury Grand Marquis Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2002 Mercury Grand Marquis at Firestone Complete Auto Care.

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Battery Size & Replacement for 2002 Mercury Grand Marquis

Need more info about Mercury Grand Marquis batteries? Check the chart to find the right car battery size and cold cranking amps for your Grand Marquis.

Battery	Engine	Warranty		Cold Cranking Amps
65-1	V8/4.6L	Replacement 24 months	Performance months	850
65-2	V8/4.6L	Replacement 36 months	Performance months	850
65-AGM	V8/4.6L	Replacement 36 months	Performance months	750

BATTERIES
V8/4.6L - Battery: 65-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 850
V8/4.6L - Battery: 65-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/4.6L - Battery: 65-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 750

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Shopping for Mercury Grand Marquis Car Batteries

You can pretty much drive your Mercury Grand Marquis until you don't want to anymore. But your Grand Marquis's battery? Don't count on it to last forever. The average car battery lasts three to five years. You want to replace your 2002 Mercury Grand Marquis battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A lagging starter, a blinking battery or check engine light, swollen battery case, corroded battery posts, or dim headlights can all be signs that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Stop by for a free battery test and, if needed, get your Mercury Grand Marquis a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Mercury’s service specs for Grand Marquis battery CCAs and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Why Choose a DieHard Battery for Your Grand Marquis?

Your Mercury Grand Marquis 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 in even some of the toughest conditions. DieHard batteries go above and beyond using state-of-the-art advancements to meet the growing power needs of modern vehicles They're no ordinary battery, they're extraordinary. Choose a DieHard battery for your Mercury Grand Marquis and get behind the wheel with confidence. Why? Because performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Mercury Grand Marquis Battery

Got a new car battery installed in your 2002 Mercury Grand Marquis? Good thinking! Now, help it last longer and stay charged by caring for it from the get-go. Give your new battery a hand by cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Answers to Your Grand Marquis Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a Grand Marquis-specific battery question, pay us a visit. Our technicians have the answers.

Why doesn’t my Grand Marquis battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
What happens to my old Grand Marquis battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my Mercury Grand Marquis’s battery cost if I get a DieHard battery? You can find affordable Grand Marquis batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
How long is a car battery good for? You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.
Why is there white, flaky stuff around my Grand Marquis’s battery post? If you notice white, crusty stuff around the battery terminals of your Grand Marquis, 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 Grand Marquis’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean corrosion off my Grand Marquis vehicle battery? Regularly inspecting and cleaning your battery terminals will help keep your Grand Marquis’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Where can I find a battery for my Grand Marquis? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install Grand Marquis batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.