1989 Mercedes-Benz 420SEL Batteries

The Right Battery Size for a 1989 Mercedes-Benz 420SEL

Not sure what battery to get for your Mercedes-Benz 420SEL? Use this chart to find the right battery size and CCAs for your Mercedes-Benz 420SEL.

Battery Engine Warranty Cold Cranking Amps
MT-49/H8 V8/4.2L Replacement 24 months Performance 60 months 900
MTP-49/H8 V8/4.2L Replacement 30 months Performance 72 months 900
MTX-49/H8 V8/4.2L Replacement 36 months Performance 36 months 900
BATTERIES

V8/4.2L

- Battery: MT-49/H8

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 900

V8/4.2L

- Battery: MTP-49/H8

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 900

V8/4.2L

- Battery: MTX-49/H8

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 900

Buy the Right Battery for Your Mercedes-Benz 420SEL

Sadly, your Mercedes-Benz 420SEL won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Don’t get stranded by your 420SEL’s car battery. Replace it regularly instead! Look out for symptoms of a faulty car battery. A sluggish engine start, an illuminated check engine light or battery signal, bloated battery case, corroded battery posts, or weak lights can all signal that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest 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, a replacement battery for your 1989 Mercedes-Benz 420SEL. Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Mercedes-Benz-specific recommendations for 420SEL battery CCAs and reserve capacity. Get help choosing the battery size that's best for your 420SEL, and schedule an appointment today for a quick car battery replacement.

Are Interstate Batteries Good for 420SELs?

Your Mercedes-Benz 420SEL deserves the best, which is why we exclusively carry the best. We replace over 700,000 batteries each year with Interstate Batteries, America’s #1 replacement battery brand. Interstate has been a leader in car battery reliability, charge capacity, and technology. That’s why it’s unsurprising to find an Interstate Battery in the engine of a Mercedes-Benz 420SEL. Their entire line of powerful offerings can be found in forklifts freightliners, UTVs, and even boats! You need a car battery that's just as dependable as your 1989 Mercedes-Benz 420SEL. And Interstate Batteries are Outrageously Dependable®.

After Buying 1989 Mercedes-Benz 420SEL Battery

Have you recently had a fresh battery installed in your Mercedes-Benz 420SEL? Great job! Give your new car battery the best start with proper care. Give your new battery a hand by limiting short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Commonly Asked 420SEL Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a 420SEL-specific battery question, pay us a visit. Our technicians are happy to help.

  • Why won't my 420SEL 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 may have a habit of leaving your car doors open and the cabin light at night. Stop by for a free battery test at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What happens to my old 420SEL battery? We recycle it, taking care of both your car and the Earth.
  • What’s the cost of Mercedes-Benz 420SEL batteries? Get affordable prices on Mercedes-Benz 420SEL batteries by using one of our limited-time battery deals. And, all Interstate Batteries have a limited-time free replacement and performance warranty.

Get a New Mercedes-Benz 420SEL Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 1989 Mercedes-Benz 420SEL at Firestone Complete Auto Care.