GarageDex

Smart Fortwo lug nut torque

GarageDex's lug nut torque data shows the 2016 to 2018 Smart Fortwo wheel lug nuts torque to 77 ft-lbs. They are 12mm x 1.50 wheel bolts.

Shop torque wrenches A 1/2-inch click wrench covers every value on this page

Key takeaways

  • Torque: 77 ft-lbs for the 2016 to 2018 model years.
  • Tighten in a star (criss-cross) pattern so the wheel seats flat.
  • Re-check torque after 50 to 100 miles.
  • Aftermarket wheels or lug nuts can specify a different value - use the wheel maker's figure if it differs.
Smart Fortwo lug nut torque by year
YearsTorquePattern
2016 to 201877 ft-lbsStar pattern
2005 to 201581 ft-lbsStar pattern
Smart Fortwo lug nut thread size
YearsThread size
2005 to 201812mm x 1.50 bolt

Seat type (cone, mag, or ball) and hex size are not given per vehicle by this source - match them to the lug nut already on your wheel before ordering locks. Source: White Knight Wheel Accessories - 2020 Application Guide.

Tools for the job

These fit any vehicle. Lug nuts and wheel locks are vehicle-specific, so that link searches by your Smart Fortwo.

Torque wrench1/2-inch drive click wrench, 20 to 150 ft-lbsShop wrenches Lug nutsReplacement lug nuts filtered to the Smart FortwoShop lug nuts Wheel locks12mm x 1.50 anti-theft bolt setShop wheel locks Torque sticksLimits an impact gun so you cannot over-tightenShop torque sticks

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

How to torque Smart Fortwo wheels

  1. Hand-thread every lug nut, then snug them lightly with the wheel off the ground.
  2. Lower the car until the tire just touches and cannot spin.
  3. Set the wrench to 77 ft-lbs and tighten in a star pattern, skipping to the opposite nut each time.
  4. Lower fully, go around once more at the same setting.
  5. Re-check after 50 to 100 miles.

Other Smart models

Fortwo Electric Drive

Source: James Halderman - Lug Nut Torque Values 1995-2021. Torque values assume clean, dry threads and OEM wheels. Always confirm against your owner's manual, and re-check torque after the first 50 to 100 miles.