1990 Mercedes-Benz 420SEL Car Batteries

1990 Mercedes-Benz 420SEL Battery Replacement & Size

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

Shopping for Mercedes-Benz 420SEL Car Batteries

Sadly, your Mercedes-Benz 420SEL won't last forever. Neither will its battery. The average car battery lasts three to five years. You want to replace your 1990 Mercedes-Benz 420SEL battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A slow engine crank, an illuminated battery or check engine light, swollen battery case, corrosion-covered posts, and subpar electrical performance may all indicate that your battery is on its last leg.

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. Visit us for a complimentary battery check and, if needed, get your Mercedes-Benz 420SEL a replacement battery. Car batteries are only one of our many strong suits. Our expert technicians understand Mercedes-Benz service recommendations for 420SEL battery cold cranking amps and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule a weekday or weekend battery replacement service for your car.

Should You Choose Interstate Batteries for Your 420SEL?

Your Mercedes-Benz 420SEL deserves the best, which is why we exclusively carry the best. We install more than 700,000 car batteries a year using America's #1 replacement battery from Interstate Batteries. Interstate has been a leader in car battery reliability, performance, and innovation for many years. 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 boom lifts, severe duty trucks, utility vehicles, and even boats! Your 1990 Mercedes-Benz 420SEL needs a reliable battery to run optimally. That’s why you should choose Interstate Battery. Their products are Outrageously Dependable®.

Caring for a New Mercedes-Benz 420SEL Battery

Have you recently had a fresh battery installed in your Mercedes-Benz 420SEL? Congrats! You can give your new battery a head start with proper care and attention. Help extend your car battery’s life by limiting short trips, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your 420SEL Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a 420SEL-specific battery question, pay us a visit. Our expert techs have the answers you need.

  • Why doesn’t my 420SEL 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’ve been leaving the doors slightly open and the cabin light at night. Stop in for a free battery check at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my old 420SEL battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
  • How much will replacing my Mercedes-Benz 420SEL’s battery cost? You can find affordable 420SEL batteries by using one of our car battery coupons, when available. Plus, every Interstate Battery comes with a maintenance-free performance warranty and limited-time free replacement.

Get a Battery for Your Mercedes-Benz 420SEL

Don't let a failing battery slow you down. Shop replacement batteries for 1990 Mercedes-Benz 420SELs today and schedule a quick installation at Firestone Complete Auto Care.