2025 Mercedes-Benz GLS Pre-Purchase Inspection Checklist
Known Issues — 2025 Mercedes-Benz GLS
CRITICAL
E-ACTIVE BODY CONTROL system concerns on high-trim examples
MINOR
Early 2025 build MBUX software teething issues via OTA rolling out
MINOR
48V mild hybrid system cold-weather performance variability
MINOR
OTA update stalling on some early 2025 VIN units
MODERATE
GLS63 cam cover oil seeps at medium mileage
MINOR
Night vision display occasional lag in very cold conditions
What to Inspect
- Verify E-ACTIVE BODY CONTROL on startup — no warning lights
- Confirm MBUX OTA updates are all applied
- Check 48V system for stored fault codes
- Inspect GLS63 engine for oil seeps at cam cover area
- Test night vision display in low light conditions (if equipped)
- Request dealer pre-delivery inspection report if available
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Service A (oil & filter) | every 10,000 miles | $450-$660 |
| Service B (full inspection) | every 20,000 miles | $1,050-$1,700 |
| Air spring replacement (each) | as needed | $1,400-$2,600 |
| Transmission fluid service | every 40,000 miles | $570-$840 |
| Brake pads and rotors (front) | every 25,000-35,000 miles | $1,100-$1,850 |
| 48V mild hybrid battery check | every 40,000 miles | $300-$500 |
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