2018 Mercedes-Benz CLS550
Introduction: The 2018 Mercedes-Benz CLS550 is a mid-size luxury sedan, equipped with a 4.7-liter turbocharged V8 engine. It produces 402 horsepower and 443 lb-ft of torque. The vehicle is available with a 9-speed automatic transmission. It is praised for its stylish design, powerful engine, and comfortable interior. However, some owners have encountered issues with various aspects of the vehicle.
Engine
- 4.7L Turbocharged V8
- Fuel Injector Failure: Engine misfires, rough idling, reduced fuel economy, check engine light. Replacing the fuel injectors solves the issue. Estimated Cost to Fix: $650 - $1,200+
- Turbocharger Wastegate Malfunction: Reduced boost pressure, sluggish acceleration, increased exhaust noise. Replacing the turbocharger or wastegate actuator repairs the issue. Estimated Cost to Fix: $2,000 - $3,500+ Recalls: NHTSA Campaign Number 20V180000 - Fuel Injector Failure
Transmission
- 9-Speed Automatic
- Hesitation and Jerking: Transmission slipping, delayed gear engagement, rough shifts. Updating the transmission software or replacing the transmission may be necessary. Estimated Cost to Fix: $500 - $2,500+ Recalls: NHTSA Campaign Number 20V179000 - Transmission Control Module Failure
Suspension
- Air Suspension Failure: Vehicle sagging, uneven ride height, reduced stability. Replacing the air suspension struts or compressor resolves the issue. Estimated Cost to Fix: $1,200 - $2,000+
- Coil Spring Breakage: Unusual noises, decreased ride quality, uneven tire wear. Replacing the coil springs solves the problem. Estimated Cost to Fix: $500 - $1,000+
Electrical
- Battery Discharge: Vehicle failing to start, reduced electrical system functionality. Replacing the battery or alternator might be necessary. Estimated Cost to Fix: $300 - $1,000+
- Infotainment System Malfunction: System freezing, unresponsive screen, software glitches. Updating the software or replacing the infotainment unit resolves the issue. Estimated Cost to Fix: $500 - $1,500+ Recalls: NHTSA Campaign Number 20V249000 - Electrical Wiring Harness Fault
Exterior
- Headlight Condensation: Excessive moisture inside the headlight housings. Replacing the headlights or repairing the seals resolves the issue. Estimated Cost to Fix: $500 - $1,500+
Interior
- Panoramic Sunroof Rattle: Noises coming from the panoramic sunroof. Replacing the sunroof rails or adjusting the roof alignment might be necessary. Estimated Cost to Fix: $500 - $1,500+
- Cracked Dashboard: Cracks or discoloration on the dashboard. Replacing the dashboard solves the issue. Estimated Cost to Fix: $800 - $2,000+
Summary: The 2018 Mercedes-Benz CLS550 has been reported to have various issues, ranging from engine and transmission problems to suspension and electrical faults. Some interior components and exterior lighting also have known issues. The severity of these issues can vary, and the cost to repair them can be significant. However, it’s important to note that not all vehicles will experience these issues, and the reliability of a particular vehicle will depend on various factors, such as maintenance and driving habits.