2002 Mercedes-Benz E430

About the 2002 Mercedes-Benz E430

The 2002 Mercedes-Benz E430 was a luxury sedan known for its performance and refined driving experience. It was powered by a 4.3L V8 engine, mated to a 5-speed automatic transmission, delivering 275 horsepower and 302 lb-ft of torque. This combination provided responsive acceleration and smooth gear shifts.

Overall, the E430 was praised for its impressive power, comfortable ride, and elegant interior. However, some owners have reported certain issues with their vehicles, which are detailed below.

Engine

• 4.3L V8 Engine
  • Cylinder head gasket failure: Premature wear of the cylinder head gasket can lead to oil and coolant leaks. Symptoms: Coolant loss, overheating, engine misfiring. Solution: Replace the cylinder head gasket. Estimated Cost to Fix: $1,500 - $3,000+
• Intake manifold runner stuck: The intake manifold runners may seize, causing a loss of engine power and rough idling. Symptoms: Reduced performance, engine shaking. Solution: Replace the intake manifold. Estimated Cost to Fix: $700 - $1,500+

Transmission

• 5-speed automatic transmission
  • Transmission fluid leaks: The transmission fluid lines may develop leaks, causing a loss of transmission fluid. Symptoms: Fluid leaks under the vehicle, delayed gear shifts. Solution: Replace the leaking lines. Estimated Cost to Fix: $500 - $1,000+
  • Shifting issues: The transmission may experience delayed or hard shifting. Symptoms: Difficulty changing gears, rough shifts. Solution: Transmission rebuild or replacement. Estimated Cost to Fix: $1,500 - $4,000+

Suspension

• Rear air suspension: The rear air suspension system may malfunction, causing the vehicle to sag or bounce excessively. Symptoms: Abnormal ride height, reduced ride comfort. Solution: Replace the air suspension components. Estimated Cost to Fix: $1,000 - $2,000+

Electrical

• Electrical shorts: Electrical shorts can occur in various components, leading to a loss of functionality. Symptoms: Malfunctioning lights, gauges, or accessories. Solution: Repair or replace the faulty components. Estimated Cost to Fix: Varies depending on the affected components
• SAM unit failure: The Signal Acquisition Module (SAM) may fail, causing a loss of electrical power to various systems. Symptoms: No power to accessories, windows, or lights. Solution: Replace the SAM unit. Estimated Cost to Fix: $800 - $1,300+

Exterior

• No Exterior Issues Found

Interior

• Dashboard creaks: The dashboard may develop creaks or rattles over time. Symptoms: Noisy creaking or rattling sounds while driving. Solution: Apply lubricant or insulation to the affected areas. Estimated Cost to Fix: $200 - $500+

Summary

The 2002 Mercedes-Benz E430 exhibits certain issues, including engine gasket failures, transmission problems, and electrical issues. The severity and cost of these issues vary, with some being relatively minor and others requiring more extensive repairs. Despite these issues, the E430 remains a popular choice for luxury sedan enthusiasts due to its performance, comfort, and style.