Why won’t my SLK230 battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have been leaving your car doors ajar and the dome lights on during the 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 old SLK230 battery?

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

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?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

What is the white, crusty substance accumulating on my SLK230’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your SLK230 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

What do I do about corrosion on my SLK230 car battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your SLK230 owner’s manual for instructions on how to do so.

Who sells SLK230 batteries near me?

You can shop for SLK230 batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.

2002 Mercedes-Benz SLK230 Batteries

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Mercedes-Benz SLK230 Batteries Near You

Don't let a failing battery slow you down. Shop replacement batteries for 2002 Mercedes-Benz SLK230s today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 2002 Mercedes-Benz SLK230

Researching battery replacements for your Mercedes-Benz SLK230? Check the chart to find the right car battery size and cold cranking amps for your 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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Shopping for Mercedes-Benz SLK230 Car Batteries

Sadly, your Mercedes-Benz SLK230 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Don’t get stranded by your SLK230’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A sluggish engine start, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or weak lights can all be signs that your battery needs attention.

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. Drop in for a free battery check and, if needed, get your Mercedes-Benz SLK230 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Mercedes-Benz service recommendations for SLK230 car batteries’ reserve capacities and cold cranking amps. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your SLK230

We know what’s best for your Mercedes-Benz SLK230, which is why we exclusively carry the best. 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 requirements 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 have the peace of mind that your battery will perform when you need it. That’s why you should choose batteries from Firestone Complete Auto Care.

After Buying 2002 Mercedes-Benz SLK230 Battery

Got a new car battery installed in your 2002 Mercedes-Benz SLK230? Great job! 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, decreasing the number of short trips you take, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Commonly Asked SLK230 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your Mercedes-Benz SLK230 battery, visit your nearest store. Our technicians are happy to help.

Why won’t my SLK230 battery hold a charge? A battery is in its final hour when it will no longer hold a charge. It may be getting old. Or, you may have been leaving your car doors ajar and the dome lights on during the 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 old SLK230 battery? We recycle it, taking care of both your car and the Earth.
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? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
What is the white, crusty substance accumulating on my SLK230’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your SLK230 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
What do I do about corrosion on my SLK230 car battery? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your SLK230 owner’s manual for instructions on how to do so.
Who sells SLK230 batteries near me? You can shop for SLK230 batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.