Clogged Hybrid Battery Cooling Filter
ModerateEngineDust buildup on the hybrid battery intake filter causes the battery to overheat, shortening its life and triggering warning lights.
Est. Repair Cost: £50 (Cleaning) / £2,000 (Battery if failed)
Reliability GuideCommon Problems with the
Common Problems with the
2012 Lexus GS (Mk4)
The 2012 launch of the Mk4 GS brought a much sharper, more aggressive design featuring the new 'spindle grille' and significantly improved driving dynamics, aiming squarely at the BMW 5 Series.
What changed for 2012
- •Debut of the all-new Mk4 GS with a stiffer chassis and sharper steering.
- •Introduction of the highly efficient GS 300h alongside the powerful GS 450h.
Common MOT watch-outs
- !Wear on suspension components, particularly on F Sport models with firmer settings.
- !Minor issues with the electronic parking brake.
2
Known Issues
0
Serious
2
Moderate
0
Minor
All Known Issues
Seizing Rear Brake Calipers
ModerateBrakesThe rear calipers are known to seize in the UK climate, leading to uneven wear and MOT failure.
Est. Repair Cost: £300–£600
Buying Tips for 2012 Lexus GS (Mk4)
- ✓Test the 'Remote Touch' mouse controller for the infotainment; it can be frustrating to use and the screen may suffer from delamination.
- ✓On F Sport models, check the operation of the Adaptive Variable Suspension (AVS) for any warning lights.