No manual can foresee every workshop scenario, so a valuable new edition emphasizes troubleshooting methodologies: isolating measurement anomalies to worn suspension parts versus mis-mounted targets, running diagnostic checks when cameras report inconsistent data, and following decision trees that prioritize safety. It also points technicians toward ongoing training resources, software updates, and manufacturer technical service bulletins—recognizing that competence requires both reference material and hands-on practice.
Older manuals provided fixed data. The new manuals (post-2020) are VIN-linked and cloud-updated. If a new Mercedes EQ model hits the market, the new manual updates the alignment specs immediately. You no longer need a supplementary paper insert.
The new manual emphasizes the "Signature Page." You print a QR code on the receipt that links the customer to a video explaining what caster angle means. This is a business tool, not just a spec sheet.