
17 February 2025 18:00 (UTC)
The inside information on the McLaren MCL39: Weight, height, engine size and more
Chassis | |
Monocoque | Carbon-fibre composite, incorporating driver controls and fuel cell |
Safety structures | Cockpit survival cell incorporating impact resistant construction and anti-penetration panels, front impact structure, prescribed side impact structures, integrated rear impact structure, front and rear roll structures, halo secondary roll structure, driver headrest protection and safety seat |
Bodywork | Carbon-fibre composite, including engine cover, sidepods, floor, nose, front wing and rear wing with driver-operated drag reduction system |
Front suspension | Carbon-fibre / titanium suspension legs, pullrod operating inboard torsion bar, spring and damper system |
Rear suspension | Carbon-fibre / titanium suspension legs, pushrod operating inboard torsion bar, spring and damper system |
Weight | Overall vehicle weight 800 kg (including driver, excluding fuel) |
Weight distribution between | 44.6% and 46.1% on front axle |
Electronics | McLaren Applied. Including chassis control, power unit control, data acquisition, sensors, data analysis |
Instruments | McLaren Applied steering wheel display |
Brake system | Six piston brake calipers with front / rear master cylinders ‘Brake by wire’ rear brake control system Carbon-carbon ventilated discs and pads |
Steering | Power-assisted rack and pinion |
Tyres | Pirelli P Zero F1. Six compounds in the pool. Pirelli select three for each event. |
Race wheels | BBS standardised design 18” magnesium wheels |
Paint | AkzoNobel Sikkens products |
Cooling systems | Charge air, engine oil, gearbox oil, hydraulic oil, water, and ERS cooling systems |
Additive Manufacturing | Stratasys 3D printing & additive manufacturing |
Power Unit type | Mercedes-AMG M16 E Performance |
Minimum weight | 151kg |
Primary PU components | Internal combustion engine (ICE) Motor Generator Unit – Kinetic (MGU-K) Motor Generator Unit – Heat (MGU-H) Turbocharger (TC) Energy Store (ES) Control Electronics (CE) |
Internal Combustion Engine | |
Capacity | 1.6 litres |
Cylinders | Six |
Bank angle | 90 degree vee angle |
No of valves | 24 |
Max speed | 15,000 rpm |
Max fuel flow rate | 100kg/hour (above 10,500 rpm) |
Fuel injection | High-pressure direct injection (max 500 bar, one injector/cylinder) |
Pressure charging | Single-stage compressor and exhaust turbine, on a common shaft |
Max rpm Exhaust Turbine 125,000 rpm | |
Energy Recovery System | |
Architecture | Integrated hybrid energy recovery via motor generator units Crankshaft coupled electrical MGU-K Turbocharger coupled electrical MGU-H |
Energy store | Lithium-Ion battery solution of minimum 20 kg regulation weight Maximum energy storage, 4 MJ per lap |
MGU-K | Maximum speed, 50,000 rpm Maximum power, 120 kW Maximum energy recovery, 2 MJ per lap Maximum energy deployment, 4 MJ per lap |
MGU-H | Maximum speed 125,000 rpm Maximum power, unlimited Maximum energy recovery, unlimited Maximum energy deployment, unlimited |
Transmission | |
Gearbox | Carbon-fibre composite gearbox casing, longitudinally mounted change gear cluster |
Gear ratios | Eight forward and one reverse |
Gear selection | Electro-hydraulically operated seamless shift |
Differential | Limited slip friction clutch epicyclic |
Clutch | Electro-hydraulically operated, carbon multi-plate |
Logistics | |
Transport | Mercedes-Benz trucks |

