Why doesn’t my 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 cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my dead Marquis battery?

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

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

You can find affordable 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 do car batteries last?

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.

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

The white, crusty stuff that can accumulate around Marquis 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.

How do I clean corrosion off my Marquis vehicle 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 Marquis batteries near me?

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

1986 Mercury Marquis Car Batteries

Get a New Mercury Battery

Get a Battery for Your Mercury Marquis

Don't let a failing battery slow you down. Shop replacement batteries for 1986 Mercury Marquiss today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 1986 Mercury Marquis

Not sure what battery to get for your Mercury Marquis? Use this chart to find the right battery size and CCAs for your Mercury Marquis.

Battery	Engine	Warranty		Cold Cranking Amps
56-1	V6/3.8L	Replacement 24 months	Performance months	550
56-1	L4/2.3L	Replacement 24 months	Performance months	550

BATTERIES
V6/3.8L - Battery: 56-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550
L4/2.3L - Battery: 56-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550

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Buy the Right Battery for Your Mercury Marquis

Your Marquis doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. You want to replace your 1986 Mercury Marquis battery before it fails and leaves you 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, corroded battery posts, or dim headlights can all signal that your battery needs attention.

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. Visit us for a complimentary battery check and, if needed, get your Mercury Marquis a replacement battery. Car batteries are one of our many specialties! Our technicians are well-acquainted with Mercury’s service specs for Marquis battery CCAs and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for Marquiss?

We know what’s best for your Mercury Marquis, which is why we exclusively carry the best. Your Marquis needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond using state-of-the-art advancements to satisfy the increasing power needs of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Choose a DieHard battery for your Mercury Marquis and have the peace of mind that performance will be there when you're counting on it. That's the kind of battery we deliver.

After Buying 1986 Mercury Marquis Battery

Did you recently have a new 1986 Mercury Marquis car battery installed? Congrats! You can give your new battery a head start with proper care and attention. flipping the dome lights and headlights off when exiting the car, 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 Marquis Battery Questions

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

Why doesn’t my 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 cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my dead Marquis battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my Mercury Marquis’s battery cost if I get a DieHard battery? You can find affordable 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 do car batteries last? 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.
What is the white, crusty substance accumulating on my Marquis’s battery post? The white, crusty stuff that can accumulate around Marquis 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.
How do I clean corrosion off my Marquis vehicle 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 Marquis batteries near me? Your local Firestone Complete Auto Care sells and installs Marquis batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.