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18-inch Wheels

Mercedes-Benz EQS — 18-inch Wheels Tire Pressure

For 18-inch wheels use on the Mercedes-Benz EQS, set cold pressures to 42 PSI front and 44 PSI rear.

18-inch Wheels cold pressure
0102030405060PSI COLD422.9 bar
Front
42
290 kPa
0102030405060PSI COLD443.0 bar
Rear
44
303 kPa
OEM spec
42/44 PSI
Tire size
265/40R21
Curb weight
2,480 kg
Category
ev

18-inch is common OEM sizing — use factory pressures unless otherwise specified on the door sticker.

Community-tuned pressures based on OEM spec + typical use-case deltas. Always verify against your door-jamb sticker for your exact trim and load rating. Minimum safe pressure is 24 PSI for most passenger tires.

Other setups for this EQS
FAQ

Frequently asked

What tire pressure should I use for 18" driving in the Mercedes-Benz EQS?
For 18-inch wheels use on the Mercedes-Benz EQS, set cold pressures to 42 PSI front and 44 PSI rear. 18-inch is common OEM sizing — use factory pressures unless otherwise specified on the door sticker.
What is the OEM tire pressure for the Mercedes-Benz EQS?
The factory cold pressure spec for the 2022–2024 Mercedes-Benz EQS is 42 PSI front / 44 PSI rear. Always use the door-jamb sticker for your specific trim.
Is switching to 18-inch wheels safe on the Mercedes-Benz EQS?
Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 265/40R21. Pressures typically stay close to OEM; the 42/44 setting above accounts for the small sidewall change.
What is 42 PSI in bar or kPa?
42 PSI = 2.9 bar = 290 kPa. The rear 44 PSI = 3.0 bar.
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