2002 Mercedes-Benz C32 AMG

The 2002 Mercedes-Benz C32 AMG is a performance sedan that was part of the W203 C-Class lineup. Unlike the base C-Class models which offered a range of inline-4 and V6 engines, the C32 AMG came exclusively with a supercharged 3.2-liter V6 engine, producing 349 horsepower and 332 lb-ft of torque. It was only available with a 5-speed automatic transmission. People generally appreciate the C32 AMG for its impressive power and relatively compact size, making it a fun and engaging performance car. Some common complaints revolve around the complexity of the car, which can lead to higher maintenance costs as it ages.

Engine

3.2L Supercharged V6 (M112)

• Supercharger Clutch Failure
  • Description/Symptoms: The supercharger clutch can fail, leading to a loss of boost and reduced engine performance. Symptoms include a noticeable decrease in acceleration and potentially a warning light on the dashboard.
  • Solution: Replacement of the supercharger clutch.
  • Estimated Cost to Fix: $800 - $1500+
• Crankshaft Position Sensor Failure
  • Description/Symptoms: The crankshaft position sensor can fail, leading to rough running, stalling, or a complete inability to start the engine.
  • Solution: Replacement of the crankshaft position sensor.
  • Estimated Cost to Fix: $150 - $300+
• Oil Leaks
  • Description/Symptoms: Various locations may leak oil including valve cover gaskets, rear main seal, and oil cooler lines.
  • Solution: Replacement of gaskets, seals, or lines as necessary.
  • Estimated Cost to Fix: $100 - $1000+ depending on location and complexity

Transmission

5-Speed Automatic (722.6)

• Valve Body Issues
  • Description/Symptoms: The valve body in the 722.6 transmission is known to experience issues with worn solenoids and sticking valves. This can lead to harsh shifting, delayed engagement, or failure to shift.
  • Solution: Replacement or rebuild of the valve body.
  • Estimated Cost to Fix: $800 - $2000+
• Torque Converter Failure
  • Description/Symptoms: Torque converter failure can manifest as shuddering during gear changes, especially under load. It can also cause the transmission to overheat.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1000 - $2500+

Suspension

• Air Suspension Issues (if equipped)
  • Description/Symptoms: Some models might have been equipped with air suspension. The air struts can leak, leading to a sagging vehicle height and a failure of the air compressor.
  • Solution: Replacement of the air struts and/or the air compressor.
  • Estimated Cost to Fix: $500 - $1500+ per strut, $500 - $1000+ for compressor
• Control Arm Bushing Wear
  • Description/Symptoms: The control arm bushings can wear out, leading to clunking noises, especially over bumps, and vague handling.
  • Solution: Replacement of the control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $200 - $800+ per arm

Electrical

• Instrument Cluster Pixel Loss
  • Description/Symptoms: The LCD screen in the instrument cluster can suffer from pixel loss, making it difficult to read information.
  • Solution: Replacement or repair of the instrument cluster.
  • Estimated Cost to Fix: $300 - $1000+
• SAM (Signal Acquisition Module) Failure
  • Description/Symptoms: SAM module failure can cause a multitude of electrical issues, including lighting problems, issues with wipers, and other electronic malfunctions.
  • Solution: Replacement and reprogramming of the SAM module.
  • Estimated Cost to Fix: $500 - $1500+

Exterior

• Rust
  • Description/Symptoms: Rust can be prevalent on these vehicles, especially in areas with road salt. Common locations include the rocker panels, wheel arches, and door bottoms.
  • Solution: Rust repair and repainting.
  • Estimated Cost to Fix: $500 - $3000+ depending on severity and location

Interior

• No Issues Found

Summary The 2002 Mercedes-Benz C32 AMG can be a rewarding performance car to own, but prospective buyers should be aware of potential maintenance costs associated with its age and complexity. Engine issues like supercharger clutch failure and oil leaks, coupled with potential transmission problems involving the valve body and torque converter, can lead to significant repair bills. Suspension and electrical issues can also contribute to the overall cost of ownership. While some repairs are relatively minor, others can be quite expensive. Due to the age of these vehicles, there may be further issues that may arise.