ECU TUNING
CLS-class
| CAR | GRADE | GL PRICE | Stage1 +ps | Stage1 +Nm | Tuned hp | Tuned Nm | OE hp | OE Nm | ENGINE | Remarks |
| CLS(C218) | CLS350 BlueEfficiency | ¥176,000 | +22ps | +41Nm | 328ps | 411Nm | 306ps | 370Nm | M276 3.5NA | |
| CLS(C218) | CLS550 | ¥187,000 | +20ps | +40Nm | 407ps | 570Nm | 387ps | 530Nm | M273 | |
| CLS(C218) | CLS550 | ¥187,000 | +102ps | +220Nm | 510ps | 820Nm | 408ps | 600Nm | M278 | |
| CLS(C218) | CLS63AMG | ¥187,000 | +16ps | +30Nm | 530ps | 660Nm | 514ps | 630Nm | M156 | |
| CLS(C218) | CLS63AMG | ¥187,000 | +95ps | +200Nm | 620ps | 900Nm | 525ps | 700Nm | M157 | |
| CLS(C218) | CLS63AMG PKG | ¥187,000 | +63ps | +180Nm | 620ps | 900Nm | 557ps | 720Nm | M157 | |
| CLS(C218) | CLS63AMG S | ¥187,000 | +75ps | +300Nm | 660ps | 1,100Nm | 585ps | 800Nm | M157 | |
| CLS(C218) | CLS400 | ¥187,000 | +67ps | +100Nm | 400ps | 580Nm | 333ps | 480Nm | M276 3.5TT | |
| CLS(C219) | CLS350 | ¥176,000 | +19ps | +25Nm | 291ps | 375Nm | 272ps | 350Nm | M272 | |
| CLS(C219) | CLS500 | ¥187,000 | +20ps | +25Nm | 326ps | 485Nm | 306ps | 460Nm | M113 | |
| CLS(C219) | CLS55AMG | ¥187,000 | +94ps | +120Nm | 570ps | 820Nm | 476ps | 700Nm | 113M55K | |
| CLS(C257) | CLS220d | ¥242,000 | +26ps | +60Nm | 220ps | 460Nm | 194ps | 400Nm | OM654 2.0L | UNLOCK |
| CLS(C257) | CLS220d | ¥132,000 | +26ps | +60Nm | 220ps | 460Nm | 194ps | 400Nm | OM654 2.0L | |
| CLS(C257) | CLS450 | ¥330,000 | +53ps | +100Nm | 420ps | 600Nm | 367ps | 500Nm | M256 | UNLOCK |
| CLS(C257) | CLS450 | ¥187,000 | +53ps | +100Nm | 420ps | 600Nm | 367ps | 500Nm | M256 | |
| CLS(C257) | CLS53 | ¥330,000 | +65ps | +80Nm | 500ps | 600Nm | 435ps | 520Nm | M256 | UNLOCK |