Mercedes-Benz G-Class ReliabilityAll Years Ranked (1990–2025)
Side-by-side AutoScores, risk levels, and owner-cost projections for every Mercedes-Benz G-Class we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the G-Class across generations.
Average AutoScore
73/100
Best Year
2012 Mercedes-Benz G-Class
Score 85
Weakest Year
1990 Mercedes-Benz G-Class
Score 68
Every Mercedes-Benz G-Class Ranked
Sorted by AutoScore. Each link opens the full year-specific report.
A truly robust, iconic SUV that delivers enduring performance, provided you are prepared for premium-level maintenance expenses.
Top risks: Electrical System · Suspension Components · Engine Ancillaries/Leaks
A legendary SUV with incredible build quality and capability, but its high-tech luxury comes with a proportional and demanding price tag for maintenance and potential repairs.
Top risks: Advanced Electronic Systems · Adaptive Suspension Components · Fuel System & Engine Ancillaries
A legendary brute for the discerning, well-heeled owner prepared for substantial maintenance and repair costs.
Top risks: Electrical System · Drivetrain Leaks & Seals · Suspension & Steering Components
A status symbol built like a tank, but its luxury and complexity translate directly into hefty running costs.
Top risks: Steering System · Electrical/Electronic Modules · Suspension Components
A tank-like luxury SUV with formidable maintenance demands and a unique charm.
Top risks: Electrical Systems & Sensors · Suspension & Steering Components · Power Accessories & Interior Electronics
A truly robust luxury SUV that demands a significant financial commitment for long-term reliable ownership.
Top risks: Electrical & Infotainment · Steering & Suspension Components · Fluid Leaks (Engine/Transmission)
An incredibly durable, high-performing luxury icon, but only for those prepared for substantial, consistent ownership expenses.
Top risks: Electrical System & Electronics · Suspension & Steering Components · Engine Accessory & Sensor Failures
An undeniably iconic luxury beast with impressive capability, but one that demands significant financial commitment for its upkeep.
Top risks: Electrical & Infotainment · Air Suspension (Adaptive Dampers) · Braking System Wear
An automotive icon with undeniable presence and capability, but its ownership experience comes with a hefty luxury tax on maintenance and repairs.
Top risks: Electrical/Infotainment System · Adaptive Suspension Components · Brake System Wear
An undeniably rugged luxury icon, but one that comes with a premium price tag for every aspect of ownership, especially maintenance and repairs.
Top risks: Electrical & Infotainment · Suspension & Steering Components · Engine Accessory Components
A status symbol with underlying mechanical strength, but its electronic complexity and stratospheric running costs demand a very deep wallet.
Top risks: Advanced Electrical/Infotainment · Adaptive Suspension System · Climate Control System
A formidable luxury icon, the G-Class demands significant financial dedication to maintain its demanding, complex systems over time.
Top risks: Advanced Electrical/Infotainment System · Air Suspension & Adaptive Damping · Drivetrain Components (Transfer Case/Differentials)
An iconic, capable, and fundamentally robust vehicle, but prepare for substantial maintenance costs inherent to its age and luxury pedigree.
Top risks: Electrical System · Rust and Corrosion · Suspension & Steering Components
A legendary brute that demands deep pockets and a committed owner to keep its German engineering pristine.
Top risks: Body & Frame Rust · Electrical System · Fuel System (Diesel Specific)
A legendary brute that offers exceptional capability but demands a substantial financial and time commitment to keep its legacy alive.
Top risks: Body & Frame Corrosion · Electrical System · Drivetrain Seals & Lockers
An iconic, rugged classic, but ownership demands deep pockets and a patient hand for its specialized maintenance.
Top risks: Rust and Body Corrosion · Electrical System · Suspension & Steering Components
An iconic, rugged beast, but its legendary status comes with equally legendary maintenance costs and potential for significant age-related issues.
Top risks: Body & Frame Corrosion · Electrical System · HVAC System
A truly unique and capable luxury off-roader, but its pedigree comes with a premium price tag for upkeep.
Top risks: Electrical System · Suspension & Steering · Corrosion & Rust
A legendary brute that demands respect from your wallet and a dedicated owner.
Top risks: Electrical System · Suspension & Steering Components · Accessory Drivetrain Components
A legendary SUV, but its robust construction comes with a premium price tag for maintenance and repairs.
Top risks: Electrical System & Sensors · Drivetrain Seals & Bearings · Steering & Suspension Components
A legendary SUV with exceptional mechanical durability, but aging electronics and high parts costs make ownership a significant financial undertaking.
Top risks: Electrical System · Rust & Corrosion · Suspension & Steering Components
An icon of capability and luxury, but its high cost of ownership makes it a purchase for the truly dedicated and well-resourced.
Top risks: Electrical System & Modules · Suspension & Steering Components · Transmission Conductor Plate & Valve Body
A tank in luxury clothing, demanding a tank-sized budget for its upkeep.
Top risks: Electrical/Electronics · Suspension Components · Brake System
An undeniably luxurious and capable beast, but its cutting-edge complexity makes it a financial gamble in its freshman year.
Top risks: Advanced Electrical & Infotainment · Hybrid Powertrain & Battery System · Adaptive Suspension & Steering
A tank built to last, but its age demands significant financial and time investment to maintain its legendary status.
Top risks: Electrical System · Corrosion & Rust · Fuel System
An ironclad icon that's utterly dependable, provided its extensive service history isn't riddled with neglect.
Top risks: Body & Frame Rust · Electrical System · Fuel System (Diesel)
A supremely capable and timeless icon that demands dedicated, expensive upkeep to prevent it from becoming a money pit.
Top risks: Rust and Body Corrosion · Electrical System · Drivetrain Seals and Bushings
An incredibly capable but exceptionally high-maintenance classic, demanding deep pockets and dedicated care.
Top risks: Body & Chassis Corrosion · Electrical Systems · Transmission (722.6 Automatic)
A legendary, robust off-roader that will demand significant financial commitment to remain roadworthy.
Top risks: Electrical System & Actuators · Rust and Corrosion · Suspension & Steering Components
A legendary, rugged icon that demands a significant financial commitment to keep running reliably.
Top risks: Electrical Systems · Suspension & Steering · Transmission (5G-Tronic 722.6)
A legendary but high-maintenance beast that demands deep pockets for true reliability.
Top risks: Electrical System · Body & Chassis Corrosion · Transmission Conductor Plate
A legendary brute with solid mechanicals, but its luxury components and age make it a high-cost proposition to maintain.
Top risks: Electrical System · Rust and Corrosion · Suspension & Steering Components
A legendary tank, but its luxury pedigree ensures high and often unexpected repair bills.
Top risks: Electrical System & Sensors · Suspension & Steering Components · Rust and Corrosion
A legendary SUV, but its premium ownership experience extends to its maintenance demands.
Top risks: Electrical & Electronics · Suspension & Steering Components · Rust & Corrosion
A formidable, high-maintenance beast demanding deep pockets and diligent care for continued reliable service.
Top risks: Electrical System · Suspension & Steering Components · Rust and Corrosion
A legendary SUV with legendary maintenance costs; robust but demanding.
Top risks: Electrical & Electronics · Transmission (7G-Tronic) · Suspension & Steering Components
Problems That Follow the G-Class Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Electrical System
Appears in 16 model years · 44% of generations
Suspension & Steering Components
Appears in 15 model years · 42% of generations
Rust and Corrosion
Appears in 5 model years · 14% of generations
Suspension Components
Appears in 3 model years · 8% of generations
Electrical & Infotainment
Appears in 3 model years · 8% of generations
Corrosion & Rust
Appears in 2 model years · 6% of generations
Body & Frame Rust
Appears in 2 model years · 6% of generations
Body & Frame Corrosion
Appears in 2 model years · 6% of generations
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