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Service bulletins for the 2021 McLaren 620R

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

17 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
KA-01522 V22026-10-02. Other. STEERING. Steering Noise Diagnosis Guide
KA-020592026-10-02. Other. UNKNOWN OR OTHER; SERVICE BRAKES. ESP Causing Vehicle Limitations
KA-01986 V22026-08-04. Other. ENGINE. M8 V8 Coolant Hose Drift
KA-017832026-07-06. Other. FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis
KA-019862026-02-06. Other. POWER TRAIN; ENGINE. V8 Coolant Hose Drift
KA-01910 v22025-12-05. Other. SUSPENSION. Nose Lift Operation Concerns
KA-01783 v22025-12-05. Other. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. McLaren DMTL Test Diagnosis
KA-019412025-11-06. Other. ENGINE. A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads
KA-019372025-10-06. Other. ENGINE. Boost Control Diagnosis Guide
KA-019102025-08-05. Other. SUSPENSION. Nose Lift Operation Concerns
KA-015222025-02-08. Other. UNKNOWN OR OTHER; STEERING. Steering Noise Diagnosis Guide
KA-017442025-01-07. Other. SUSPENSION. Wishbone Bushes Serviceability Guide
KA-017832024-10-01. Other. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. McLaren DMTL Test Diagnosis
KA-010112024-08-01. Other. UNKNOWN OR OTHER. Windscreen Washer Fluid Level Low Warning Message
KA-01043 V22024-05-07. Service bulletin. POWER TRAIN. Transmission Clutch Breather Oil Leak
KA-015222022-07-05. Service bulletin. STEERING. Steering Noise Diagnosis Guide
KA-014652022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. P31 Instrument Cluster Behaviour

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.