TreadCompass

Mercedes-Benz 300D Lug Nut Torque

The 1975–1993 Mercedes-Benz 300D lug nut torque is 80 ft-lbs (108 N·m).

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Mercedes-Benz 300D · 1975–1993

Lug nut torque
80ft-lbs108 N·m
Same spec for every year 1975–1993.
  • ✓ Tighten in a star pattern, in two passes, with a torque wrench (not an impact gun)
  • ✓ Re-check the torque after the first 50–100 miles
  • ✓ Confirm against your owner’s manual; aftermarket wheels can differ

Source: TreadCompass vehicle fitment database. Page updated November 2026. Specs can vary with aftermarket wheels and lug hardware, so always confirm with your owner’s manual.

Factory tire sizes for the Mercedes-Benz 300D

Compare prices across retailers for your size.

175/80R141975–1985 · Compare prices →195/65R151986–1993 · Compare prices →

Other Mercedes-Benz models

190D190E230SL240D250SL260E280280CE280E280S280SE280SLAll Mercedes-Benz models →

Mercedes-Benz 300D lug nut torque FAQ

What is the lug nut torque for a Mercedes-Benz 300D?

The 1975–1993 Mercedes-Benz 300D lug nut torque is 80 ft-lbs (108 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all 300D trims use the same lug nut torque?

Yes. Every 300D trim in our database uses the same lug nut torque for a given model year.

Has the Mercedes-Benz 300D lug nut torque changed over the years?

No. It has been 80 ft-lbs (108 N·m) for every model year we have, 1975–1993.

What size tires come on the Mercedes-Benz 300D?

Factory tire sizes include 175/80R14 (1975–1985) and 195/65R15 (1986–1993). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.

New to torquing wheels? See how to torque lug nuts and common questions.