R350 air filter change on 2006 Mercedes-Benz R350

I am a heavily trained in mechanics but don't want to inadvertently break something. How do I change the air filters on a 2006 mercedes r350?

Asked by for the 2006 Mercedes-Benz R350
remove cross bar on top of engine
2 answers
Invest in a good quality repair manual, it will pay for itself many times over. I would check out Bentley Manuals, they have online manuals too.