Transmission Not in Park: Mercedes C300 W204 Case Study & Fix Seeing “Transmission Not in Park” on the cluster while your selector is already in P is more than annoying; it’s a safety risk (roll-away) and a diagnostic trap. This ...
Risk of Vehicle Rolling Transmission Not in P (Mercedes): Why It Matters & How to Fix It A “Transmission Not in P Risk of Vehicle Rolling Away” warning means your Mercedes cannot confirm the gearbox is safely in Park. That’s ...