2003 Mercedes-Benz E320

2003 Mercedes-Benz E320 Sedan

The 2003 Mercedes-Benz E320 is a luxury sedan equipped with a 3.2-liter V6 engine producing 221 horsepower and 232 lb-ft of torque. Paired with the engine is a 7-speed automatic transmission. While the E320 is praised for its smooth ride, comfortable interior, and powerful engine, some owners have reported experiencing issues with certain components.

Engine

• M112 E32

• Intake Manifold Flap Failure

  • Description/Symptoms: Broken or stuck intake manifold flaps can cause rough idling, reduced power, and increased fuel consumption.
  • Solution: Replacement of the intake manifold.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: NHTSA Campaign ID: 04V419000

Transmission

• 7-Speed Automatic

• Valve Body Failure

  • Description/Symptoms: Shifting problems, delayed engagement, and transmission slipping.
  • Solution: Replacement or repair of the valve body.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Coil Spring Failure
• Description/Symptoms: Sagging or broken coil springs can result in poor handling, excessive vibrations, and a lower ride height.
• Solution: Replacement of the affected coil springs.
• Estimated Cost to Fix: $600 - $1,200+
• Recalls: None Found

Electrical

• Alternator Failure
• Description/Symptoms: Dimming lights, difficulty starting the vehicle, and electrical charging issues.
• Solution: Replacement of the alternator.
• Estimated Cost to Fix: $800 - $1,500+

• Recalls: None Found

• Battery Discharge
• Description/Symptoms: Vehicle battery drains quickly, even when not in use.
• Solution: Identifying and repairing the electrical component causing the excessive battery discharge.
• Estimated Cost to Fix: Varies depending on the cause

Exterior

• No Issues Found

Interior

• Sunroof Switch Failure
• Description/Symptoms: Sunroof does not open or close properly due to a faulty switch.
• Solution: Replacement of the sunroof switch.
• Estimated Cost to Fix: $200 - $400+
• Recalls: None Found

Other

• Fuel Tank Leak
• Description/Symptoms: Strong fuel odor, visible fuel leak from the fuel tank.
• Solution: Repair or replacement of the damaged fuel tank.
• Estimated Cost to Fix: $800 - $1,500+
• Recalls: NHTSA Campaign ID: 15V386000

Summary

While the 2003 Mercedes-Benz E320 offers luxury and performance, several potential issues can arise, particularly with the engine, transmission, suspension, and electrical systems. Some of these issues, such as intake manifold flap failure and valve body failure, can be costly to repair. However, these issues are not widespread, and many E320 owners have reported a reliable and enjoyable driving experience.