✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
Early Model S drive unit noise and replacement (2012-2014)
usually 20,000–160,000 km · High risk
model years 2012–2014 only
Signs: Milling or grinding noise when accelerating or lifting off, clunks, vibration through the body
Fix: Check the service history for a replaced drive unit; noise is often fixed with shims or a loose cable, a failed unit is replaced or rebuilt
€500–7,000
Early Model S/X HV battery failure (BMS_u029, range limited)
usually 150,000–300,000 km · High risk
model years 2012–2015 only
Signs: BMS_u029 or similar battery alert, charging limited or stopped, range drops sharply
Fix: Before buying, read the battery state and alerts; repair of modules or the battery controller at a specialist, or a replacement pack
€2,000–15,000
Touchscreen (MCU) memory chip failure recall (Model S 2012-2018, X 2016-2018)
usually 50,000–200,000 km · High risk
model years 2012–2018 only
Signs: Screen slow, blank or rebooting; loss of rear camera, defrost controls and indicator sounds
Fix: Check by VIN that the memory board (eMMC) recall was done, or that the MCU was upgraded
free / recall
Rear inverter fault: loss of drive power (Model 3 built 2019-2022, China recall)
usually 0–200,000 km · High risk
model years 2019–2022 only
Signs: Car will not start, or loses drive power while driving, with a drive system alert
Fix: Make sure the car has current software; Tesla replaces an inverter that logs the fault
€0–3,000
Heat pump: no cabin heat in frost (Model Y / 3, 2020-2022)
usually 0–120,000 km · Medium risk
model years 2020–2022 only
Signs: 'Heating and air conditioning limited' alert, no heat and poor demisting, mostly well below freezing
Fix: Install current software (recall 22V050 fixed an expansion valve logic fault); if it persists, sensors, expansion valves or the refrigerant manifold are replaced
€0–1,500
Brake calipers seizing (low use)
usually 60,000–150,000 km · Wear part
Signs: Uneven pad wear, rusty discs, failed brake test at inspection; regen means the brakes are rarely used
Fix: Clean and lubricate the calipers once a year and brake hard now and then
€100–400
Front suspension arms / joints worn (Model 3 / Y)
usually 100,000–240,000 km · Wear part
Signs: Clunk or creak over bumps, play found at inspection
Fix: Replace the worn arms or ball joints, then align the wheels
€300–800
HV battery capacity loss
usually 150,000–320,000 km · Wear part
Signs: Range about 10-15 % below new after ~300,000 km
Fix: Normal ageing; check the battery health before buying. Warranty 8 years, 160,000-240,000 km depending on model, against falling below 70 %
free / recall