2022 Mercedes-Benz GLC Pre-Purchase Inspection Checklist
Known Issues — 2022 Mercedes-Benz GLC
MODERATE
9G-Tronic shudder persisting despite multiple software updates
MODERATE
Air suspension compressor wearing out on higher-mileage examples
MINOR
GLC63 exhaust valve rattle at cold start
MODERATE
Oil consumption in 2.0L turbo above Mercedes spec
MINOR
COMAND system GPS drift on certain software builds
MODERATE
Sunroof drain blockage leading to headliner water damage
What to Inspect
- Drive 30-60 mph at light throttle for extended transmission shudder test
- Check all air suspension corners for equal height (if AIRMATIC)
- Listen for GLC63 exhaust rattle at cold start
- Verify oil level relative to expected consumption
- Check sunroof drainage operation
- Confirm COMAND navigation GPS accuracy
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 |
| Spark plugs replacement | every 60,000 miles | $300-$700 |
| Transmission fluid service | every 40,000 miles | $400-$550 |
| Brake pads and rotors (front) | every 25,000-35,000 miles | $700-$1,100 |
| Air suspension compressor | as needed | $700-$1,100 |
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