ECU TUNING
C-class
| CAR | GRADE | GL PRICE | Stage1 +ps | Stage1 +Nm | Tuned hp | Tuned Nm | OE hp | OE Nm | ENGINE | Remarks |
| C(W204) | C180 CGI/BE | ¥132,000 | +54ps | +130Nm | 210ps | 380Nm | 156ps | 250Nm | M271DE | |
| C(W204) | C200 CGI/BE | ¥132,000 | +36ps | +110Nm | 220ps | 380Nm | 184ps | 270Nm | M271DE | |
| C(W204) | C200 Komp | ¥132,000 | +20ps | +20Nm | 204ps | 270Nm | 184ps | 250Nm | M271KE | |
| C(W204) | C250 | ¥176,000 | +46ps | +47Nm | 250ps | 357Nm | 204ps | 310Nm | M272 | |
| C(W204) | C250 CGI/BE | ¥132,000 | +16ps | +70Nm | 220ps | 380Nm | 204ps | 310Nm | M271DE | |
| C(W204) | C63AMG | ¥187,000 | +53ps | +50Nm | 510ps | 650Nm | 457ps | 600Nm | M156 | |
| C(W204) | C63AMG Edition507 | ¥187,000 | +18ps | +40Nm | 525ps | 650Nm | 507ps | 610Nm | M156 | |
| C(W204) | C63AMG PP | ¥187,000 | +23ps | +50Nm | 510ps | 650Nm | 487ps | 600Nm | M156 | |
| C(W204) | C350 BlueEfficiency | ¥176,000 | +22ps | +41Nm | 328ps | 411Nm | 306ps | 370Nm | M276 3.5NA | |
| C(W205) | C180 | ¥132,000 | +19ps | +60Nm | 175ps | 310Nm | 156ps | 250Nm | M264 | |
| C(W205) | C180 | ¥132,000 | +19ps | +50Nm | 175ps | 320Nm | 156ps | 270Nm | M274 | |
| C(W205) | C200 | ¥132,000 | +46ps | +90Nm | 230ps | 390Nm | 184ps+14ps | 300Nm | M271 | |
| C(W205) | C200 | ¥132,000 | +61ps | +130Nm | 245ps | 400Nm | 184ps | 270Nm | M274 | |
| C(W205) | C220d | ¥242,000 | +26ps | +60Nm | 220ps | 460Nm | 194ps | 400Nm | OM654 2.0L | UNLOCK |
| C(W205) | C220d | ¥132,000 | +50ps | +100Nm | 220ps | 500Nm | 170ps | 400Nm | OM651 2.2L | |
| C(W205) | C220d | ¥132,000 | +26ps | +60Nm | 220ps | 460Nm | 194ps | 400Nm | OM654 2.0L | |
| C(W205) | C250 | ¥132,000 | +34ps | +50Nm | 245ps | 400Nm | 211ps | 350Nm | M274 | |
| C(W205) | C300 | ¥132,000 | +20ps | +50Nm | 265ps | 420Nm | 245ps | 370Nm | M274 | |
| C(W205) | C350e | ¥132,000 | +34ps | +50Nm | 245ps | 400Nm | 211ps | 350Nm | M274 | |
| C(W205) | C63AMG | ¥220,000 | +94ps | +120Nm | 570ps | 820Nm | 476ps | 700Nm | M177 | |
| C(W205) | C63S AMG | ¥220,000 | +60ps | +120Nm | 570ps | 820Nm | 510ps | 700Nm | M177 | |
| C(W205) | C400 | ¥187,000 | +67ps | +100Nm | 400ps | 580Nm | 333ps | 480Nm | M276 3.5TT | |
| C(W205) | C43AMG | ¥187,000 | +53ps | +100Nm | 420ps | 620Nm | 367ps | 520Nm | M276 3.5TT | |
| C(W205) | C450 | ¥187,000 | +53ps | +100Nm | 420ps | 620Nm | 367ps | 520Nm | M276 3.5TT | |
| C(W205) | C43AMG | ¥187,000 | +30ps | +100Nm | 420ps | 620Nm | 390ps | 520Nm | M276 3.5TT | |
| C(W206) | C220d | Development | +52ps | | | | 200ps+20ps | | OM654 2.0L | TCU |
| C(W206) | C200 | Development | | | | | 204ps+20ps | | M254 | |