Please tell me which engine you are interested in. There were several different engine options for the 2008 M-Class, including:
* ML320 CDI (Diesel): This engine had a torque output of 400 Nm (295 lb-ft).
* ML350 (Petrol): This engine had a torque output of 350 Nm (258 lb-ft).
* ML500 (Petrol): This engine had a torque output of 510 Nm (376 lb-ft).
Let me know the specific engine model, and I can provide you with the correct torque figures!