2012–2018 Lexus GS (Mk4)
Browse our directory of 2012–2018 Lexus GS (Mk4) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2012–2018 Lexus GS (Mk4) has 2 known issues. 2 are moderate concerns worth inspecting before purchase.
Clogged Hybrid Battery Cooling Filter
ModerateDust buildup on the hybrid battery intake filter causes the battery to overheat, shortening its life and triggering warning lights.
Symptoms: "Hybrid System Fault" warning, Fan noise from the rear seat area...
Est. repair cost: £50 (Cleaning) / £2,000 (Battery if failed)
Seizing Rear Brake Calipers
ModerateThe rear calipers are known to seize in the UK climate, leading to uneven wear and MOT failure.
Symptoms: One wheel feeling much hotter than others, Reduced fuel economy...
Est. repair cost: £300–£600
Buying Tips for the 2012–2018 Lexus GS (Mk4)
- ✓Verify that the hybrid battery cooling fan filter (behind the rear seats) has been cleaned regularly.
- ✓Test the Remote Touch controller; early versions can be jerky or unresponsive.
- ✓Check for "binding" rear brakes, as the calipers can seize if not serviced.
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