Why doesn’t my SLK230 battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.

What happens to my old SLK230 battery?

We’ll recycle your car battery for you!

How much will replacing my Mercedes-Benz SLK230’s battery cost if I get a DieHard battery?

Mercedes-Benz SLK230 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long is a car battery good for?

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 SLK230’s battery post?

If you notice white, crusty stuff around the battery terminals of your SLK230, 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 SLK230’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean corrosion off my SLK230 vehicle battery?

Regularly inspecting and cleaning your battery terminals will help keep your SLK230’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 SLK230?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install SLK230 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.

Car Batteries for 1998 Mercedes-Benz SLK230

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Mercedes-Benz SLK230 Batteries Near You

Don't let a failing battery slow you down. Shop replacement batteries for 1998 Mercedes-Benz SLK230s today and schedule a quick installation at Firestone Complete Auto Care.

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1998 Mercedes-Benz SLK230 Battery Replacement & Size

Not sure what battery to get for your Mercedes-Benz SLK230? Use this chart to find the right battery size and CCAs for your Mercedes-Benz SLK230.

Battery	Engine	Warranty		Cold Cranking Amps
48H6	L4/2.3L	Replacement 36 months	Performance months	730
H6-AGM	L4/2.3L	Replacement 36 months	Performance months	760

BATTERIES
L4/2.3L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
L4/2.3L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Buying a Replacement Battery for Mercedes-Benz SLK230

Sadly, your Mercedes-Benz SLK230 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. You want to replace your 1998 Mercedes-Benz SLK230 battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, a blinking battery or check engine light, bloated battery case, corroded battery terminals, or dim headlights may all indicate that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With best-in-class tools we can tell you how much "life" is left in your battery. Drop in for a free battery check and, if needed, a replacement battery for your 1998 Mercedes-Benz SLK230. Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Mercedes-Benz-specific recommendations for SLK230 battery CCAs and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Is There a DieHard Battery for SLK230s?

We know what’s best for your Mercedes-Benz SLK230, which is why we only carry top-of-the-line replacement parts and batteries. Your SLK230 needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond and house the latest technology to fuel 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 SLK230 and drive with confidence knowing that performance will be there when you're counting on it. That's the kind of battery we deliver.

Caring for a New Mercedes-Benz SLK230 Battery

Got a new car battery installed in your 1998 Mercedes-Benz SLK230? 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 limiting short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked SLK230 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a SLK230-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my SLK230 battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop by for a complimentary battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
What happens to my old SLK230 battery? We’ll recycle your car battery for you!
How much will replacing my Mercedes-Benz SLK230’s battery cost if I get a DieHard battery? Mercedes-Benz SLK230 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long is a car battery good for? 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 SLK230’s battery post? If you notice white, crusty stuff around the battery terminals of your SLK230, 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 SLK230’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean corrosion off my SLK230 vehicle battery? Regularly inspecting and cleaning your battery terminals will help keep your SLK230’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 SLK230? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install SLK230 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.