2018 Tesla Model S Pre-Purchase Inspection Checklist
Known Issues — 2018 Tesla Model S
CRITICAL
Drive unit failures — rear unit on older RWD examples
CRITICAL
12V battery failure causing complete power loss
MODERATE
Panel gaps and door alignment
MODERATE
Media control unit (MCU) failures on pre-2021 models — recall issued
MODERATE
Plaid tri-motor thermal management under sustained track use
What to Inspect
- Test drive unit for noise or vibration
- Verify MCU is latest generation or recall addressed
- Check all panel gaps
- Test full charging session
- Verify battery health via Tesla app or service report
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Tire rotation | every 6,000 miles | $60-$120 |
| Brake fluid flush | every 2 years | $150-$250 |
| Cabin air filter (HEPA) | every 3 years | $80-$150 |
| Drive unit inspection | every 50,000 miles | $200-$500 |
| Tire replacement (performance) | every 15,000-25,000 miles | $800-$1,600 |
| 12V battery replacement | every 4-5 years | $200-$400 |
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