The Mercedes-Benz GLE 63 AMG represents the pinnacle of performance in the mid-size luxury SUV segment, combining brute power, sophisticated technology, and high-end luxury. With a handcrafted AMG V8 engine, advanced all-wheel drive, and a plush yet sporty interior, the GLE 63 AMG is a compelling option for enthusiasts seeking performance and practicality. But how does it fare in long-term reliability, maintenance costs, and common issues?
Let’s examine some reliability ratings, potential mechanical concerns, and ownership insights sourced from J.D. Power, Consumer Reports and NHTSA.
Reliability Scores from Credible Sources
| Source | Reliability Score (Out of 100 or 5) | Category |
|---|---|---|
| J.D. Power | 73/100 | “Above Average” |
| Consumer Reports | 3.5/5 | “Good” |
| RepairPal | 2.5/5 | “Below Average” |
| NHTSA Recalls | Few Recalls Reported | “Minimal Concerns” |
J.D. Power: 73/100 Reliability Rating
J.D. Power gives the GLE 63 AMG a reliability rating of 73/100, placing it in the “Above Average” category. Strengths include powertrain durability, build quality, and technology, while minor concerns arise from suspension and electrical components.
Consumer Reports: 2/5 Rating
Consumer Reports does not offer a reliability rating for the GLE 63 AMG; however, the standard 2025 GLE received 2 out of 5 reliability verdict which is a bit disappointing. On the bright side, the GLE receives praise for its strong acceleration, responsive handling, and high-quality interior.
NHTSA Recalls and Safety Concerns
The National Highway Traffic Safety Administration (NHTSA) also does not list recalls for the GLE 63 AMG specifically, so we refer to the recalls for the standard GLE instead. Since both models share many components—especially those related to safety—the normal GLE has 36 recalls with varying degrees of severity, though none are deemed hazardous. You can find the complete list here.
Common Issues with the Mercedes-Benz GLE 63 AMG
Despite its high-performance pedigree, the GLE 63 AMG does have a few known reliability concerns:
1. Air Suspension System (AIRMATIC Failures)
- The AIRMATIC adaptive air suspension enhances ride comfort but is prone to air leaks and compressor failures.
- Repairs can cost $2,000–$4,000, depending on whether OEM or aftermarket replacements are used.
2. Turbocharger & Oil Leaks
- The 4.0L Bi-Turbo V8 (M177 engine), while powerful, can develop oil leaks around the turbo seals.
- Regular maintenance and using high-quality synthetic oil can mitigate this issue.
3. Transmission and Drivetrain Issues
- The 9G-Tronic automatic transmission occasionally experiences delayed shifts or rough gear changes.
- Driveshaft and differential issues have been reported in high-mileage units.
4. Electrical & Infotainment System Problems
- The MBUX infotainment system has been known to freeze or lag, requiring software updates.
- Keyless entry and start system malfunctions can occur due to sensor failures.
5. Brake System Wear
- The high-performance AMG braking system is prone to faster wear, especially under spirited driving conditions.
- Brake pad and rotor replacements can cost $1,200–$2,500.
Maintenance and Ownership Costs
The GLE 63 AMG demands significant upkeep due to its performance-oriented design. Below is an estimated breakdown of routine service costs:
| Service Type | Estimated Cost | Frequency |
| Oil Change | $204–$218 | Every 7,500 miles |
| Brake Pad Replacement | $600–$750 | Every 30,000 miles |
| Transmission Service | $700–$1,000 | Every 60,000 miles |
| Turbo Maintenance | $1,500–$3,000 | Every 50,000 miles |
| AIRMATIC Suspension Repair | $2,000–$4,000 | As Needed |
Is the Mercedes-Benz GLE 63 AMG Worth Buying?
Pros
- Outstanding Performance – 4.0L Bi-Turbo V8 delivers thrilling acceleration.
- Luxury Interior – Premium materials and advanced tech features.
- Impressive Handling – AMG-tuned suspension enhances cornering ability.
- Strong Resale Value – AMG models hold value better than standard GLEs.
Cons
- High Maintenance Costs – More expensive than non-AMG Mercedes models.
- Air Suspension Concerns – AIRMATIC failures are costly.
- Transmission Quirks – Occasional shifting hesitation.
Final Verdict
The Mercedes-Benz GLE 63 AMG is a beastly yet refined luxury SUV, offering exceptional performance and a high-end driving experience. However, it requires dedicated maintenance and has known suspension and electrical issues.
For prospective buyers, a comprehensive service history and a pre-purchase inspection (PPI) are essential. Avoid neglected units and consider CPO (Certified Pre-Owned) models with extended warranties.
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