1990 Mercedes-Benz 420SEL Transmission Service

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Show Your Mercedes-Benz 420SEL’s Transmission Some TLC

Whether you drive an automatic or manual, Firestone Complete Auto Care can help diagnose and fix transmission issues. Schedule transmission services for your 420SEL today.

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What Does Your Mercedes-Benz 420SEL Transmission Do?

The transmission delivers power from the motor to your wheels so that you can drive at your desired speed. Since the transmission has to translate the precise amount of power for your desired amount of speed, a small transmission issue can put a big dent in your 420SEL’s performance. They're often easy to notice. Mercedes-Benz 420SEL transmission problems can present themselves as shifting delays, grinding or jumping during acceleration, the car shaking on the road, or whistling noises and a burning smell coming from under the hood. If you ignore Mercedes-Benz 420SEL transmission issues your could suffer a loss in fuel efficiency or discover that your 420SEL’s not even driveable.

Mercedes-Benz Transmission Recommendations for 1990 420SELs

Your 420SEL’s transmission should be inspected routinely, according to Mercedes-Benz. Specifically, your 420SEL differential and transmission fluids should be exchanged at regular intervals with Mercedes-Benz-approved products. Our technicians are trained to service 1990  Mercedes-Benz 420SEL transmission systems according to vehicle manufacturer recommendations. As soon as you suspect something’s wrong with your 420SEL’s transmission, book an appointment at your local Firestone Complete Auto Care to help diagnose, treat, and prevent major transmission issues.

Mercedes-Benz 420SEL Transmission Service Pricing

We work hard to offer affordable Mercedes-Benz 420SEL transmission repairs and services. Visit your local Firestone Complete Auto Care and we’ll give your car a free Courtesy Check. We’ll check out your 420SEL’s major systems and components to help inform your car service decisions. Whether your vehicle needs a fluid exchange or preventative maintenance, you can trust our Triple Promise: Fixed Right. Priced Right. Right on Time.

1990 Mercedes-Benz 420SEL Questions & Answers

  • What happens when you "ride" your Mercedes-Benz's brakes? Keeping your foot on the brake pedal or lightly but consistently pushing it down can lead to transmission problems. Remember that when you’re driving down winding roads, and opt for engine braking when possible.
  • How much can my Mercedes-Benz tow?   Think twice before volunteering to tow a moving trailer, no matter how small. The added load can mess with your transmission system if it exceeds your 420SEL’s towing capacity. Double check your owner's manual to ensure your 420SEL is equipped with a towing setup and can handle whatever you're thinking about towing.
  • Does my 420SEL's transmission fluid need to be inspected? Maintaining your Mercedes-Benz 420SEL transmission fluid is one of the best ways to maintain your transmission's health. About every 30,000 to 60,000 miles is a good timeframe for having your transmission fluid inspected and perhaps changed. Service intervals can vary depending on how you use your Mercedes-Benz, so check with your technician first. Leaks or low transmission fluid are easy to spot and affordable to repair.
  • Can my Mercedes-Benz 420SEL leak transmission fluid? Over time, transmission fluid can leak from your Mercedes-Benz 420SEL, potentially causing transmission problems. A transmission fluid leak may be caused by a damaged transmission pan, faulty transmission cooler lines, worn-out seals, a cracked transmission housing, or an overfilled transmission.
  • Who can fix my  Mercedes-Benz 420SEL transmission leak? If you have a problem with your transmission system, don’t hesitate to visit your local Firestone Complete Auto Care. Our expert technicians can diagnose and repair 420SEL transmission leaks and other issues. Schedule an appointment today!
  • Can I still drive my Mercedes-Benz 420SEL if it has a transmission fluid leak? It’s not advisable to drive your 420SEL if it’s leaking transmission fluid. Your transmission system needs transmission fluid to function properly, and a leak can lead to significant problems, such as overheating or reduced performance. You might even experience transmission failure.