Buyer's guide
Prioritize lower-mileage examples from authorized Mercedes-Benz dealers with complete service history and warranty coverage remaining. Consider the 3.0L Twin-Turbo variant for long-term appreciation potential and performance capability.
Common issues
| Issue | Severity | Notes |
|---|---|---|
| Air suspension stiffness adjustment | Medium | Some early models required firmware updates for optimal ride quality |
| Infotainment software updates | Low | Over-the-air updates available for all connected features |