2017 Mercedes-Benz CLS550

Introduction to the 2017 Mercedes-Benz CLS550

The 2017 Mercedes-Benz CLS550 is a four-door luxury sedan that slots in between the E-Class and S-Class. It’s powered by a twin-turbocharged 4.7-liter V8 engine that produces 402 horsepower and 443 lb-ft of torque, paired with a nine-speed automatic transmission. The CLS550 is praised for its stylish design, comfortable interior, and powerful engine, but it has also been criticized for its high price and some reliability concerns.

Engine

4.7L V8

• Valve Stem Seals Leaking: Oil consumption increases, blue smoke from the exhaust. Solution: Replace valve stem seals. Estimated Cost to Fix: $1,500 - $2,500. Recalls: None Found.

Transmission

9-Speed Automatic

• Shifting Problems: Transmission may hesitate or jerk when shifting. Solution: Update transmission software or replace transmission. Estimated Cost to Fix: $500 - $2,000. Recalls: None Found.

Suspension

• Air Suspension Compressor Failure: Air suspension compressor fails, causing the vehicle to sit low on one or more corners. Solution: Replace air suspension compressor. Estimated Cost to Fix: $1,000 - $2,000. Recalls: None Found.
• Lower Control Arm Bushing Wear: Excessive wear in the lower control arm bushings, leading to a clunking noise when driving over uneven surfaces. Solution: Replace lower control arms. Estimated Cost to Fix: $500 - $1,000 per side. Recalls: None Found.

Electrical

• Battery Drain: Battery drains quickly when the vehicle is parked. Solution: Update software or replace battery. Estimated Cost to Fix: $200 - $500. Recalls: None Found.
• Alternator Failure: Alternator fails, causing the battery to not charge properly. Solution: Replace alternator. Estimated Cost to Fix: $500 - $1,000. Recalls: None Found.

Exterior

• Sunroof Leaks: Sunroof may leak water into the cabin during heavy rain. Solution: Replace sunroof seals or sunroof. Estimated Cost to Fix: $500 - $2,000. Recalls: None Found.
• Headlamp Condensation: Moisture accumulates inside the headlamps. Solution: Replace headlamps or repair seals. Estimated Cost to Fix: $500 - $1,500 per headlamp. Recalls: None Found.

Interior

• Infotainment System Glitches: Infotainment system may freeze, restart, or become unresponsive. Solution: Update software or replace head unit. Estimated Cost to Fix: $500 - $2,000. Recalls: None Found.
• Climate Control Malfunctions: Climate control system may not adjust temperature or air flow properly. Solution: Replace climate control module or sensors. Estimated Cost to Fix: $500 - $1,500. Recalls: None Found.

Summary

The 2017 Mercedes-Benz CLS550 is a highly desirable luxury sedan that offers a powerful engine, stylish design, and comfortable interior. However, it has some reliability concerns that can be costly to repair, such as engine oil leaks, transmission problems, and suspension issues. It’s important for potential buyers to be aware of these potential problems before making a purchase decision.