I recently acquired a merc ml 270 everything seems fine but totally stalling up a hill and overtaking, it recently had some exaust system leaks that were sealed but one is still loosing slightly air, could this cause the lack of power?
Welcome to the forum David
As Post# 2, possibly a mass airflow sensor (MAF) fault.
Really needs the main dealer or someone with Star (Mercedes fault finding equipment) to diagnose the problem.
Thank you...I recently acquired a merc ml 270 everything seems fine but totally stalling up a hill and overtaking, it recently had some exaust system leaks that were sealed but one is still loosing slightly air, could this cause the lack of power?