Why doesn’t my CLK500 battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar 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 CLK500 battery?

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

How much do DieHard batteries cost for your Mercedes-Benz CLK500?

Get affordable prices on Mercedes-Benz CLK500 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 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.

Why is there white, crusty buildup on my CLK500’s battery post?

If you notice white, crusty stuff around the battery terminals of your CLK500, 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 CLK500’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean corrosion off my CLK500 vehicle 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 CLK500 owner’s manual for instructions on how to do so.

Where can I purchase CLK500 batteries near me?

Your local Firestone Complete Auto Care sells and installs CLK500 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 CLK500 Batteries

Get a New Mercedes-Benz Battery

Get a New Mercedes-Benz CLK500 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2003 Mercedes-Benz CLK500 at Firestone Complete Auto Care.

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2003 Mercedes-Benz CLK500 Battery Replacement & Size

Researching battery replacements for your Mercedes-Benz CLK500? Check the chart to find the right car battery size and cold cranking amps for your CLK500.

Battery	Engine	Warranty		Cold Cranking Amps
93-1	V8/5.0L	Replacement 24 months	Performance months	825
49H8	V8/5.0L	Replacement 36 months	Performance months	900
H8-AGM	V8/5.0L	Replacement 36 months	Performance months	900

BATTERIES
V8/5.0L - Battery: 93-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 825
V8/5.0L - Battery: 49H8 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900
V8/5.0L - Battery: H8-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 900

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Shopping for Mercedes-Benz CLK500 Car Batteries

Sadly, your Mercedes-Benz CLK500 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. You want to replace your 2003 Mercedes-Benz CLK500 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 terminals, or faded headlights can all signal 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. Stop by for a free battery test and, if needed, get your Mercedes-Benz CLK500 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our expert technicians understand Mercedes-Benz service recommendations for CLK500 battery cold cranking amps and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your CLK500

Your Mercedes-Benz CLK500 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 CLK500 batteries surpass expectations using the latest innovative technology to fuel the growing power demands of new vehicles and their accessories. They're no ordinary battery, they're extraordinary. Go with a DieHard battery for your CLK500 and get behind the wheel with confidence. Why? Because your battery will perform when you need it. That’s why you should choose batteries from Firestone Complete Auto Care.

After Buying 2003 Mercedes-Benz CLK500 Battery

Have you recently had a fresh battery installed in your Mercedes-Benz CLK500? Congrats! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, keeping the battery posts corrosion-free, and avoiding radio and electronic component use when the engine is off.

Commonly Asked CLK500 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Mercedes-Benz CLK500-specific, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my CLK500 battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar 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 CLK500 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
How much do DieHard batteries cost for your Mercedes-Benz CLK500? Get affordable prices on Mercedes-Benz CLK500 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 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.
Why is there white, crusty buildup on my CLK500’s battery post? If you notice white, crusty stuff around the battery terminals of your CLK500, 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 CLK500’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean corrosion off my CLK500 vehicle 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 CLK500 owner’s manual for instructions on how to do so.
Where can I purchase CLK500 batteries near me? Your local Firestone Complete Auto Care sells and installs CLK500 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.