2002 Mercedes-Benz G500

2002 Mercedes-Benz G500

Overview

The 2002 Mercedes-Benz G500, a robust and iconic off-road luxury SUV, is known for its durable construction and powerful performance. While generally reliable, like any vehicle of its age, it can experience specific issues. This analysis focuses on common mechanical and electrical concerns reported by owners and technicians, excluding routine maintenance. The G500’s strong chassis and drivetrain are typically well-regarded, but certain components may require attention as the vehicle ages. Understanding these potential problem areas can help owners budget for and address necessary repairs, ensuring the continued longevity and enjoyment of this distinctive vehicle.

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Engine

5.0L V8 (M113)

Coolant Leaks (Intake Manifold)

• Symptoms: Coolant smell, visible coolant residue around the intake manifold, potential overheating.
• Solution: Replacement of intake manifold gaskets or the manifold itself.
• Cost: $400 - $800

Oil Leaks (Valve Covers/Oil Pan)

• Symptoms: Visible oil drips, oil smell, low oil level.
• Solution: Replacement of valve cover gaskets or oil pan gasket.
• Cost: $300 - $600

Transmission

5-Speed Automatic (722.6)

No Major Issues

• Symptoms: No widespread issues reported.
• Solution: No widespread issues reported.
• Cost: No widespread issues reported.

Suspension

Solid Axle Independent Front Suspension

Ball Joint Wear

• Symptoms: Clunking noises, steering looseness, uneven tire wear.
• Solution: Replacement of worn ball joints.
• Cost: $300 - $600

Shock Absorber Failure

• Symptoms: Bouncy ride, poor handling, visible leaks from shocks.
• Solution: Replacement of shock absorbers.
• Cost: $400 - $700

Electrical

Body Control Module (BCM)

Intermittent Malfunctions

• Symptoms: Various electrical components acting erratically (lights, windows, locks), warning lights.
• Solution: Diagnosis and potential reprogramming or replacement of the BCM.
• Cost: $800 - $1500

Window Regulators

Failure

• Symptoms: Power windows not operating, slow operation, grinding noises.
• Solution: Replacement of window regulator and motor assembly.
• Cost: $250 - $450 per window

Exterior

Body Panels & Trim

Rust (Wheel Arches, Rocker Panels)

• Symptoms: Visible rust spots or bubbling paint, especially in areas prone to moisture and salt.
• Solution: Rust repair and repainting.
• Cost: $500 - $1500+

Headlight Lenses

Clouding/Yellowing

• Symptoms: Reduced headlight visibility, aesthetic degradation.
• Solution: Restoration kits or replacement of headlight assemblies.
• Cost: $100 - $300

Interior

Leather Upholstery

Cracking/Wear

• Symptoms: Drying, cracking, and wear on seats and other leather surfaces.
• Solution: Leather conditioning, repair kits, or reupholstery.
• Cost: $200 - $1000+

HVAC Blower Motor

Failure

• Symptoms: No airflow from vents, intermittent fan speed.
• Solution: Replacement of the blower motor.
• Cost: $300 - $500

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Summary Verdict

The 2002 Mercedes-Benz G500 is a highly capable and generally robust vehicle. Its core mechanical components, particularly the engine and transmission, are known for their durability. However, as with many luxury vehicles of this era, electrical gremlins and age-related wear on suspension and exterior components are the most common areas requiring attention. Owners should be prepared for potential costs associated with rust prevention/repair, electrical system diagnostics, and routine maintenance of wear items. Despite these potential issues, the G500’s unique blend of off-road prowess and luxury continues to make it a desirable, albeit potentially costly to maintain, classic SUV.