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2003 Mercedes-Benz ML500

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By Research the Car 2 min read

Introduction:

The 2003 Mercedes-Benz ML500 is a luxury SUV powered by a 5.0-liter V8 engine producing 302 horsepower and 339 lb-ft of torque. It came standard with a 5-speed automatic transmission. The ML500 is known for its spacious cabin, comfortable ride, and powerful V8 engine. However, it has also been plagued by several issues over the years.

Engine

  • 5.0-liter V8
    • Intake manifold gasket failure: Symptoms include coolant leaks, overheating, and poor performance. Requires replacement of the intake manifold gaskets. Estimated Cost to Fix: $1,000 - $2,000+
    • Timing chain tensioner failure: Symptoms include rattling noises from the engine, reduced power, and possible engine damage. Requires replacement of the timing chain tensioner. Estimated Cost to Fix: $2,000 - $3,000+
  • No Issues Found for Other Engine Options

Transmission

  • 5-speed Automatic
    • Transmission slipping: Symptoms include delayed or rough shifting, lack of power, and check engine light illumination. Requires repair or replacement of the transmission. Estimated Cost to Fix: $3,000 - $5,000+
    • Torque converter failure: Symptoms include shuddering or slipping when shifting, overheating, and loss of power. Requires replacement of the torque converter. Estimated Cost to Fix: $1,500 - $2,500+
  • No Issues Found for Other Transmission Options

Suspension

  • Air suspension leak: Symptoms include sagging or uneven suspension, rough ride, and warning lights on the dashboard. Requires repair or replacement of the air suspension system. Estimated Cost to Fix: $1,500 - $3,000+
  • No Issues Found for Other Suspension Components

Electrical

  • BCM failure: Symptoms include electrical malfunctions, such as inoperative lights, windows, or locks. Requires replacement of the Body Control Module (BCM). Estimated Cost to Fix: $500 - $1,000+
  • Alternator failure: Symptoms include dim headlights, difficulty starting the engine, and battery warning light illumination. Requires replacement of the alternator. Estimated Cost to Fix: $500 - $1,000+
  • No Issues Found for Other Electrical Components

Exterior

  • Rust on rear quarter panels: Requires repair or replacement of the affected body panels. Estimated Cost to Fix: $1,000 - $2,000+
  • No Issues Found for Other Exterior Components

Interior

  • Sunroof drain tube clogging: Symptoms include water leaking into the interior of the vehicle. Requires cleaning or replacement of the sunroof drain tubes. Estimated Cost to Fix: $200 - $500+
  • Navigation system failure: Symptoms include blank or unresponsive screen, lost GPS signal, or system crashes. Requires repair or replacement of the navigation system. Estimated Cost to Fix: $500 - $1,500+
  • No Issues Found for Other Interior Components

Summary:

The 2003 Mercedes-Benz ML500 is a luxury SUV with several known issues, particularly with the engine, transmission, suspension, and electrical systems. These issues can be costly to repair, ranging from a few hundred dollars to several thousand dollars. However, the ML500 remains a popular choice for drivers who value its spacious cabin, comfortable ride, and powerful V8 engine.

Mercedes-Benz, ML500
Mercedes-Benz ML500 2003
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