IsItAGoodCar

Common Problems with the
2023–2025 McLaren 750S

We've identified 4 known issues that can affect the 2023–2025 McLaren 750S. 2 of these are serious faults that could be expensive to repair.

4
Known Issues
2
Serious
2
Moderate
0
Minor

All Known Issues

PCC III Accumulator Wear

SeriousSuspension & Chassis

The 750S uses ProActive Chassis Control III, an evolution of the 720S system. The hydraulic accumulators remain a consumable wear item with a similar 3-5 year or 15,000-25,000 mile replacement interval. Failure results in a harsh ride and suspension fault warnings.

Most affected: Coupe, Spider

Estimated cost: £1,500–£2,500Affects: 2023–2025Often appears around: 15k-25k miles

Typical symptoms

  • •Suspension Fault warning
  • •Harsh ride in Normal mode
  • •Inconsistent damping between modes
  • •Steering dead spots

What to inspect before you buy

  • ✓Test drive over varied surfaces in Normal mode
  • ✓Check for PCC error messages on startup
  • ✓Verify mode changes feel distinct

Brake Line Routing Recall

SeriousBrakes

McLaren recalled certain 750S vehicles due to incorrectly routed brake lines that could cause the ABS and ESP to apply braking force to the wrong rear wheel, potentially causing a wheel lock-up. Dealers inspect and correct the connections free of charge.

Most affected: All models

Estimated cost: £0 (Recall)Affects: 2023–2025Often appears around: N/A (Recall)

Typical symptoms

  • •Unusual rear wheel lock-up under braking
  • •ABS/ESP warning light
  • •Pulling to one side during emergency braking

What to inspect before you buy

  • ✓Verify the recall has been completed by checking the VIN with McLaren
  • ✓Test ABS activation in a safe environment
  • ✓Check for any brake-related warning lights

Software and Infotainment Glitches

ModerateElectrics & Electronics

Early 750S deliveries have been plagued by software issues including infotainment temperature control randomly changing, window position sensor faults, and occasional system reboots. Most have been resolved through OTA updates but verify the latest firmware is installed.

Most affected: All models

Estimated cost: £0–£500 (Software update)Affects: 2023–2025Often appears around: N/A (Early production)

Typical symptoms

  • •Climate control temperature changes randomly
  • •Window stops working or catches on pillar cap
  • •Infotainment screen freezes or reboots
  • •Dashboard warning lights for door position

What to inspect before you buy

  • ✓Set the climate control and verify it holds the temperature
  • ✓Operate all windows fully
  • ✓Check the infotainment system responsiveness
  • ✓Ask for confirmation of all software updates applied

Build Quality and Panel Fit Issues

ModerateBodywork & Rust

Some early 750S cars have experienced build quality issues including inconsistent panel gaps, trim pieces coming loose, and the active aero system failing before delivery. While McLaren has improved QA, inspect carefully.

Most affected: Early production cars

Estimated cost: £500–£3,000 (Adjustment/Repair)Affects: 2023–2025Often appears around: N/A (Early production)

Typical symptoms

  • •Uneven panel gaps
  • •Trim pieces rattling or loose
  • •Active wing deployment hesitation
  • •Wind noise from poor door seals

What to inspect before you buy

  • ✓Detailed walkaround checking all panel gaps
  • ✓Operate the active rear wing through its full range
  • ✓Check door seals and window alignment
  • ✓Listen for wind noise on a short drive

Buying Tips for the 2023 McLaren 750S

  • ✓Verify all software is up to date; early cars needed multiple infotainment and chassis calibration updates
  • ✓Check the PCC III accumulator health; the system is similar to the 720S and accumulators are still a wear item
  • ✓Inspect the active rear wing operation and listen for any mechanical hesitation
  • ✓Test all electrical systems including windows, climate control, and infotainment during a cold start

Browse 2023–2025 McLaren 750S in our Directory

View MOT history, registration data, and reliability scores for 2023–2025 McLaren 750S vehicles.

View 2023–2025 Directory

Other McLaren 750S Year Periods

2023–2025

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