2022 Mercedes-Benz C-Class Pre-Purchase Inspection Checklist
Known Issues — 2022 Mercedes-Benz C-Class
MODERATE
MBUX infotainment software bugs causing screen freezes and random reboots
MODERATE
48V mild hybrid system faults triggering warning lights
MINOR
Sunroof wind noise at highway speeds due to seal imperfection
MINOR
Ambient lighting system glitches with incorrect colors
MODERATE
Rear-axle steering calibration drift on equipped models
MODERATE
PHEV charging port door actuator failure
What to Inspect
- Test MBUX system — reboot responsiveness and all touch functions
- Check 48V system warning lights and hybrid assist engagement
- Verify rear-axle steering (if equipped) at low-speed maneuvers
- Inspect PHEV charging port operation (if C350e)
- Check sunroof for wind noise at 60+ mph
- Pull full diagnostic scan for 48V and hybrid-related codes
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-$850 |
| Spark plugs replacement | every 60,000 miles | $300-$480 |
| Transmission fluid service | every 40,000 miles | $400-$550 |
| Brake pads and rotors (front) | every 30,000-40,000 miles | $700-$1,050 |
| 48V battery inspection | every 40,000 miles | $150-$300 |
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