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2017 Mercedes-Benz S500L

Introduction:

The 2017 Mercedes-Benz S500L is a luxurious sedan known for its cutting-edge technology, spacious interior, and refined performance. It is powered by a 4.7L twin-turbo V8 engine paired with a 9-speed automatic transmission, delivering 455 horsepower and 516 lb-ft of torque. The vehicle boasts a sleek and sophisticated exterior, a plush and well-equipped interior, and a host of safety and driver-assistance features. While highly praised for its comfort, performance, and amenities, it has also been the subject of several reported issues.

Engine:

4.7L V8 Biturbo

  • Turbocharger failure: Turbochargers may fail, causing reduced engine power, smoke, and unusual noises. Solution: Replace the faulty turbocharger. Estimated Cost to Fix: $2,500 - $4,000+
  • Exhaust manifold cracking: Exhaust manifolds can crack over time, leading to exhaust leaks and diminished performance. Solution: Replace the damaged exhaust manifold. Estimated Cost to Fix: $800 - $1,500+
  • Fuel injector issues: Fuel injectors can become clogged or malfunction, resulting in engine misfires, rough idling, and poor fuel economy. Solution: Clean or replace the faulty fuel injectors. Estimated Cost to Fix: $400 - $800+
  • Intake valves coking: Carbon buildup on intake valves can lead to decreased engine performance and reduced fuel efficiency. Solution: Clean the intake valves. Estimated Cost to Fix: $500 - $1,200+

Recalls:

  • 19V-853: Fuel pump failure
  • 20V-143: Engine coolant leak

Transmission:

9-Speed Automatic

  • Torque converter shudder: Torque converters may develop vibrations or shuddering during gear shifts, especially under low-speed acceleration. Solution: Replace the torque converter. Estimated Cost to Fix: $1,500 - $2,500+
  • Clutch pack failure: Clutch packs within the transmission can fail, causing slipping, delayed gear shifts, or a complete loss of power. Solution: Replace the faulty clutch packs. Estimated Cost to Fix: $1,800 - $3,000+
  • Mechatronic unit issues: Mechatronic units, responsible for controlling transmission operations, can experience electrical failures or leaks, leading to transmission problems. Solution: Replace the mechatronic unit. Estimated Cost to Fix: $2,500 - $4,000+

Suspension:

  • Air suspension failure: Air suspension struts may fail, affecting ride height and handling. Solution: Replace the faulty struts. Estimated Cost to Fix: $1,200 - $2,000+ per strut
  • Sway bar link failure: Sway bar links can wear out or break, resulting in excessive body roll and reduced handling stability. Solution: Replace the worn or broken sway bar links. Estimated Cost to Fix: $200 - $400+ per link

Electrical:

  • Battery drainage: Batteries may prematurely discharge due to excessive parasitic drain. Solution: Identify and eliminate the sources of parasitic drain. Estimated Cost to Fix: $100 - $500+
  • Infotainment system glitches: The infotainment system may exhibit various glitches, including screen freezing, unresponsive buttons, or connectivity issues. Solution: Update software, reset the system, or replace faulty components. Estimated Cost to Fix: $500 - $2,000+
  • Headlight condensation: Headlights may accumulate moisture inside the lenses, affecting visibility. Solution: Replace the affected headlights. Estimated Cost to Fix: $1,000 - $2,000+ per headlight

Exterior:

  • Brake caliper sticking: Brake calipers may stick, causing premature brake pad wear and reduced braking performance. Solution: Clean and lubricate the calipers or replace them if necessary. Estimated Cost to Fix: $400 - $800+ per caliper

Interior:

  • Climate control malfunction: The climate control system may fail to provide adequate cooling or heating. Solution: Diagnose and repair the faulty components. Estimated Cost to Fix: $500 - $1,500+
  • Power seat failure: Power seats may experience electrical issues, mechanical failures, or both. Solution: Repair or replace the faulty components. Estimated Cost to Fix: $500 - $2,000+
  • Panoramic sunroof rattling: The panoramic sunroof may rattle or squeak due to loose bolts or damaged seals. Solution: Tighten bolts or replace seals. Estimated Cost to Fix: $200 - $500+

Summary:

While the 2017 Mercedes-Benz S500L offers impressive performance, luxury, and technology, it has also been reported to have a range of issues. These issues vary in severity and cost, with some minor issues costing a few hundred dollars to fix, while major repairs can exceed several thousand dollars. It is important for owners to be aware of these potential problems and factor in the cost of potential repairs when considering this vehicle.

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