2020 Land Rover Defender

I am reporting a systemic failure of exhaust manifold retaining bolts on the 2020 Land Rover Defender (L663, P400 engine). While removing the engine skid plate, I discovered a fractured exhaust manifold bolt that had fallen down. The bolt head had separated, leaving the threaded portion in the cylinder head. There are I believe 12 manifold bolts securing the integrated exhaust manifold/turbocharger assembly, & multiple owners have documented similar failures, including cases with multiple broken bolts on one vehicle. The exhaust manifold is integrated with the turbocharger and is part of the emissions control pathway. This assembly operates at extremely high temps. Based on the pattern of failures, repeated thermal cycling and inadequate fastener material appear to cause bolt fatigue and fracture. When bolts break, proper clamping force is lost and hot exhaust gases escape directly into the engine compartment rather than remaining sealed within the manifold/turbo assembly. This presents serious safety concerns: Fire risk: Escaping exhaust gases from a turbocharged engine can exceed 1,000°F. These gases are released near wiring, plastic components, insulation, and other materials. Loss of sealing increases the risk of localized overheating and engine compartment fire. Exhaust gas intrusion: Exhaust leaks at the manifold can allow exhaust gases to enter the passenger compartment. Emissions defect: As this leak occurs upstream of emissions control components, unmetered exhaust gases escape before entering the emissions system, affecting federally regulated emissions compliance. This costs thousands to fix and owners are going to ignore it due to cost & unawareness. Multiple vehicles across varying mileages have experienced this issue, suggesting a systemic design or material defect rather than normal wear. Exhaust manifold fasteners should not fracture under normal operating conditions on a vehicle with 30,000 miles.

We have had our vehicle for 3 years and had to replace our windshield twice from random cracks starting from the exterior windshield where it meets the body of the care. It has happened on its own, twice, which impact from any object. The cost of the windshield, as installed is over $2000 each time, and it is repeated occurrence with owners.

The DC/DC converter is failing on the vehicles regularly. This results in the vehicle losing power and shutting down while driving. I own this vehicle and while it hasn’t happened yet, I constantly fear that it will. With the common knowledge and frequency of this occurrence, Land Rover should fix as a recall to ensure the safety of all customers. Please push for this. Thank you.

While using the heated steering wheel function on my 2020 Land Rover Defender, the steering wheel began to overheat significantly after being turned on for a short time. The surface temperature became so hot that it burned and discolored the leather, releasing a strong burnt smell. This overheating poses a serious fire hazard and could easily burn the driver’s hands during operation. This issue compromises driver safety because the steering wheel is an essential control part of the vehicle. If the driver’s hand is burned or the leather catches fire, it could result in loss of control of the vehicle. There were no warning messages or lights before or during the incident. The problem has occurred multiple times and can be reproduced when the heated steering wheel function is activated. The vehicle is available for inspection upon request. I believe this is a critical safety defect that should not occur under normal operation and could potentially affect other vehicles of the same model.

The Daytime Running Lights (DRL) stopped working. The biggest hazard of DRL failure in a 2020 Defender is reduced daytime visibility to other drivers, which increases accident risk, especially in marginal light conditions. Also, in the Defender, DRLs are LED-based and integrated into the front lighting assembly. A failure could point to wiring, control module, or fuse issues. If ignored, these could eventually affect other lighting systems. The issue has been reported to JLR and I will be taking the car to the dealer for formal diagnostics and report.

Mileage at time of failure: ~27,500 miles The signature LED headlamp assembly on my 2020 Land Rover Defender 110 X has experienced a failure of the integrated Daytime Running Light (DRL) module. The DRL has gone completely dark and is no longer functioning. This failure occurred shortly after the expiration of the factory warranty and affects a key visibility and safety feature of the vehicle. The only available repair, according to the dealership, is full replacement of the headlamp assembly at a cost of over $3,000. The DRL cannot be serviced independently. This is an unreasonable cost for a low-mileage vehicle and a safety-critical component. This appears to be a widespread issue affecting 2020–2022 Defender models, with numerous reports online from other owners citing identical DRL failures. This suggests a systemic design or quality defect in the headlamp assembly. A DRL failure undermines the vehicle’s visibility to other drivers and reduces safety during daylight driving. Given the high cost of repair and the frequency of reported failures, I believe this defect warrants investigation and potential recall action.

The LED daytime running light failed on my vehicle and the dealer needed to replace the entire headlight unit. The manufacturer wanted to charge $2,500 for the replacement. There must be something faulty in the design of these headlights as out of 156 people I surveyed with Defenders, I’ve heard of 55 who have had this same issue, 7 who have had their daytime running light and headlight fail, 87 who have not had the daytime running light issue yet, and 7 respondents do not have the LED headlights and have not had their daytime running issue. This seems to be a manufacturer defect.

The daytime running lights which also dim the overall lights at night, also known as the halo LED light continues to malfuction. I bought this car (2) years ago and I'm now on the second set up LED running lights. There are numerous other reports of this malfunctioning across owners. multiple online forums. this overall poses a large saftey hazard as the light is very dim at night from it not running, also including the daytime light casuing saftey issues for other cars.