Buyer's guide
Purchase early production W520 models for investment potential while considering battery warranty coverage and software update accessibility. Evaluate charging infrastructure compatibility and total cost of ownership including electricity rates in your region.
Common issues
| Issue | Severity | Notes |
|---|---|---|
| Software calibration delays in early units | Medium | Resolved in 2027 model year updates |
| Infotainment system integration lag | Low | Non-critical, corrected via OTA updates |