2003 Mercedes-Benz ML350 Q&A

2003 Mercedes-Benz ML350 Question: what system has this model (timming chain or belt)

Can you tell me if this model has a timming chain or belt. If it's belt when you must change it. Thank you. -
Answer 1
Your engine has a timing chain luckily it is maintainence free it takes about 7 hours to chance. -