Cooling system: radiator assemblyRecall 23V-484 · 2019–2020 McLaren 600lt
McLaren Automotive Incorporated recall 23V-484 covers 652 2019–2020 McLaren 600lt for a cooling system: radiator assembly problem, reported to NHTSA on July 14, 2023. The manufacturer's latest report (2025 Q4) shows 67% of affected vehicles repaired.
Source: NHTSA recall 23V484000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
McLaren Automotive Incorporated (McLaren) is recalling certain 2019-2020 600LT Coupe and Spider vehicles. The joint between the temperature sensor housing and the hose from the outboard radiator may not be sealed properly, which can result in coolant leaking into the engine compartment.
The risk
A coolant leak in the presence of an ignition source, such as hot engine components, can increase the risk of a fire.
The fix
Dealers will replace the coolant hose, temperature sensor housing, and constant pressure clamp, free of charge. Owner notifications letters were mailed September 7, 2023. Owners may contact McLaren customer service at 1-646-429-8916.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
67%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.