2020 Mercedes-Benz CLA Pre-Purchase Inspection Checklist
Known Issues — 2020 Mercedes-Benz CLA
MODERATE
MBUX infotainment software instability on early C118 builds
MODERATE
8G-DCT dual-clutch transmission hesitation at low speeds
MODERATE
Oil consumption in 2.0L M260 turbo engine
MODERATE
Front wiper motor failure in cold climates
MINOR
CLA45 AMG heat soak causing reduced performance in extended hard driving
MINOR
Rear door seal degradation leading to wind noise at speed
What to Inspect
- Test MBUX for stability — reboot it and time restart
- Drive dual-clutch in urban traffic from multiple standing starts
- Check oil level and note time since last service
- Verify front wiper motor and spray system in all modes
- Test rear door seals for wind noise at 60+ mph
- Scan all modules for fault codes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Service A (oil & filter) | every 10,000 miles | $230-$340 |
| Service B (full inspection) | every 20,000 miles | $480-$680 |
| Spark plugs replacement | every 60,000 miles | $220-$380 |
| Dual-clutch transmission fluid | every 40,000 miles | $320-$470 |
| Brake pads and rotors (front) | every 30,000-40,000 miles | $550-$850 |
| Cabin air filter | every 20,000 miles | $70-$110 |
Get a Personalized AI Inspection Report
The data above covers common issues. For a comprehensive, AI-generated report specific to this vehicle — including detailed checks for every system, red flags, and a full verdict — generate your free report below.
2 free reports per day · No account needed
More Mercedes-Benz Inspection Checklists
Maintenance Guides for Mercedes-Benz Owners
Want a complete buying guide? Read our Used Car Buying Inspection Checklist.