Car Batteries for 1990 Mercedes-Benz 300SL

Mercedes-Benz 300SL Batteries Near You

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1990 Mercedes-Benz 300SL today and schedule a quick installation at Firestone Complete Auto Care.

1990 Mercedes-Benz 300SL Battery Replacement & Size

Not sure what battery to get for your Mercedes-Benz 300SL? Use the following chart to find information on Mercedes-Benz 300SL battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
93-1 L6/3.0L Replacement 24 months Performance months 825
49H8 L6/3.0L Replacement 36 months Performance months 900
H8-AGM L6/3.0L Replacement 36 months Performance months 900
BATTERIES

L6/3.0L

- Battery: 93-1

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 825

L6/3.0L

- Battery: 49H8

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 900

L6/3.0L

- Battery: H8-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 900

Shopping for Mercedes-Benz 300SL Car Batteries

Sadly, your Mercedes-Benz 300SL won't last forever. Neither will its battery. Generally, car batteries last from three to five years. You want to replace your 1990 Mercedes-Benz 300SL 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 weak lights 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. Visit us for a complimentary battery check and, if needed, get your Mercedes-Benz 300SL a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Mercedes-Benz’s service specs for 300SL car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that's best for your 300SL, and schedule an appointment today for a quick car battery replacement.

Firestone Has DieHard Batteries for  300SLs

We only want what’s best for your Mercedes-Benz 300SL, which is why we exclusively carry the best. You need a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries shatter expectations using state-of-the-art advancements to meet the growing power demands of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Mercedes-Benz 300SL and get behind the wheel with confidence. Why? Because your battery will perform when you need it. That's the kind of battery we deliver.

Making Your 300SL’s New Battery Last

Got a new car battery installed in your 1990 Mercedes-Benz 300SL? Great job! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, cutting back on unnecessary short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your 300SL Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are Mercedes-Benz 300SL-specific, visit your nearest store. Our expert techs have the answers you need.

  • Why doesn’t my 300SL battery stay charged? A car battery that needs to be jump-started every time is as good as dead. The battery may be too old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care and learn more about your battery's charge.
  • What do you do with my old 300SL battery? We recycle it, taking care of both your car and the Earth.
  • How much will replacing my Mercedes-Benz 300SL’s battery cost if I get a DieHard battery? Mercedes-Benz 300SL 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 often should I replace my car battery? 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, flaky stuff around my 300SL’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 300SL 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 300SL 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 300SL owner’s manual for instructions on how to do so.
  •  Who carries 300SL batteries near me? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install 300SL batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.