Counterpoint - it's okay. I don't think it contradicts the FSM though the 126 FSM scans have the 603 cam tower loosening sequence backwards. 124 FSM scans have it right. Easier for me to use than firing up the PC and looking for the right section in the FSM. IIRC there are a couple of tips around special tools. Always a plus for me.

Sixto
83 300SD
98 E320 wagon