Strengths
- Naturally-aspirated V8 is class-defining
- M156 sounds tremendous
- Black Series is investment-grade
Weaknesses
- M156 has known head-bolt issues (early cars)
- Fuel economy is poor
- Cabin tech now dated
Notable tech
- MRA platform
- 7-speed AMG SPEEDSHIFT MCT
- RWD only
- NA V8 M156 6.2L
- Last NA V8 AMG C-Class
- Black Series (510bhp) is the halo
Common issues
- M156 head-bolt failures (resolved by 2010)
- Crank position sensor failures
- A/C compressor failures
Used-market budget
$35,000
Typical price point for a well-maintained example with full service history. Cars priced significantly below this often require remedial work.