2020 Mercedes-Benz S-Class Pre-Purchase Inspection Checklist
Known Issues — 2020 Mercedes-Benz S-Class
CRITICAL
AIRMATIC compressor failure — replacement can exceed $3,000 out of warranty
CRITICAL
MAGIC BODY CONTROL strut leaks and pressure loss
MODERATE
Widescreen COMAND display backlight degradation
MODERATE
S63 AMG valve cover oil leaks
MODERATE
Burmester audio amplifier failure
CRITICAL
Rear air spring failure causing uneven ride height
What to Inspect
- Park vehicle overnight and check ride height all four corners in morning
- Verify MAGIC BODY CONTROL status via menu
- Inspect S63 valve covers for oil seeps
- Test Burmester audio system thoroughly
- Check widescreen display brightness uniformity
- Run complete diagnostic for all suspension and drivetrain modules
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Service A (oil & filter) | every 10,000 miles | $400-$600 |
| Service B (full inspection) | every 20,000 miles | $950-$1,500 |
| Air spring replacement (each) | as needed | $1,200-$2,200 |
| Spark plugs (V8, 16 plugs) | every 30,000 miles | $800-$1,200 |
| Brake pads and rotors (front) | every 25,000-35,000 miles | $1,000-$1,600 |
| AIRMATIC compressor replacement | as needed | $1,800-$3,500 |
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