2021 Mercedes-Benz E-Class Pre-Purchase Inspection Checklist
Known Issues — 2021 Mercedes-Benz E-Class
MODERATE
9G-Tronic shudder during light acceleration at city speeds
MODERATE
MBUX software bugs requiring dealer OTA updates to resolve
MODERATE
Air suspension compressor wear on AIRMATIC models
CRITICAL
Rear air spring leaks on high-mileage AIRMATIC examples
MINOR
Blind spot assist radar false alerts in traffic
MODERATE
E63 AMG differential oil leaks at output flanges
What to Inspect
- Check all four air spring corners for height and leak signs
- Test transmission shudder at light throttle in city traffic
- Verify MBUX software version and test for random reboots
- Inspect E63 rear differential for oil seepage around output flanges
- Test blind spot radar for false alerts in adjacent lane traffic
- Run full multi-module diagnostic scan
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Service A (oil & filter) | every 10,000 miles | $300-$420 |
| Service B (full inspection) | every 20,000 miles | $600-$900 |
| Air spring replacement (each) | as needed | $900-$1,400 |
| Transmission fluid service | every 40,000 miles | $400-$600 |
| Brake pads and rotors (front) | every 30,000 miles | $700-$1,050 |
| Rear differential fluid service | every 40,000 miles | $200-$350 |
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