2014 Mercedes-Benz CLS500

The 2014 Mercedes-Benz CLS500 is a luxurious and stylish four-door coupe. Its standout features include its sleek design, comfortable ride, and powerful engine. The CLS500 houses a 4.7-liter twin-turbo V8 engine producing 402 horsepower and 443 lb-ft of torque. It is paired with a 7-speed automatic transmission. Owners often praise its elegant interior and smooth driving experience, but some common complaints include issues with the air suspension and electrical components. Other engine options for the 2014 CLS class include the CLS550 which houses a 4.7L V8 engine. The CLS63 AMG houses a 5.5L V8 engine.

Engine

4.7L Twin-Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks from various engine seals, including the valve cover gaskets and rear main seal. This often presents as oil spots on the ground or a burning oil smell.
  • Solution: Replace the leaking seals or gaskets.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Reduced engine power, whistling sounds from the engine bay, or turbocharger failure.
  • Solution: Replace the faulty turbocharger(s) or related components.
  • Estimated Cost to Fix: $2,000 - $5,000+ per turbocharger.
  • Recalls: None Found

Transmission

7G-Tronic (7-Speed Automatic)

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifting between gears, especially during acceleration or deceleration.
  • Solution: Perform a transmission fluid flush and filter change. If the issue persists, the valve body may need repair or replacement.
  • Estimated Cost to Fix: $300 - $2,500+
  • Recalls: None Found
• Transmission Slippage
  • Description/Symptoms: The engine revs up without a corresponding increase in vehicle speed, or the transmission hesitates before engaging a gear.
  • Solution: Transmission rebuild or replacement.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found

Suspension

• Airmatic Air Suspension Failure
  • Description/Symptoms: The vehicle sags on one or more corners, the suspension compressor runs constantly, or the “Vehicle Too Low” warning light illuminates.
  • Solution: Replace the faulty air struts, air compressor, or air distribution valve block.
  • Estimated Cost to Fix: $800 - $2,500+ per strut. Compressor replacement: $800-$1,500.
  • Recalls: None Found

Electrical

• Faulty Steering Column Lock
  • Description/Symptoms: The vehicle won’t start, and the steering wheel is locked. An error message related to the steering column lock might appear on the dashboard.
  • Solution: Replace the steering column lock assembly.
  • Estimated Cost to Fix: $800 - $1,800+
  • Recalls: None Found
• COMAND System Malfunctions
  • Description/Symptoms: The COMAND infotainment system (navigation, radio, media) freezes, restarts unexpectedly, or exhibits other software glitches.
  • Solution: Software update, or replacement of the COMAND unit in severe cases.
  • Estimated Cost to Fix: $150 - $2,000+ depending on the severity and solution.
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof does not open or close properly. Sunroof gets stuck or makes noise.
  • Solution: Repair or replace sunroof motor or components.
  • Estimated Cost to Fix: $500-$1500+
  • Recalls: None Found

Interior

• Seat Heater Failure
  • Description/Symptoms: Seat heater does not heat up properly, or at all.
  • Solution: Replace faulty heating element or control module.
  • Estimated Cost to Fix: $300-$1,000+
  • Recalls: None Found

Summary

The 2014 Mercedes-Benz CLS500, while luxurious and stylish, can be prone to certain issues. The most common complaints include problems with the air suspension, electrical components, and transmission. Engine oil leaks and turbocharger issues can also arise. Repair costs can vary greatly depending on the specific problem, ranging from a few hundred dollars for minor fixes to several thousand for major repairs. Overall, potential buyers should be aware of these potential issues and factor in the cost of maintenance and repairs when considering purchasing this vehicle.