18-inch Wheels
Mercedes-Benz C-Class — 18-inch Wheels Tire Pressure
For 18-inch wheels use on the Mercedes-Benz C-Class, set cold pressures to 36 PSI front and 38 PSI rear.
18-inch Wheels cold pressure
Front
36
248 kPa
Rear
38
262 kPa
OEM spec
36/38 PSI
Tire size
245/40R19
Curb weight
1,565 kg
Category
sedan
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 C-Class
FAQ
Frequently asked
- What tire pressure should I use for 18" driving in the Mercedes-Benz C-Class?
- For 18-inch wheels use on the Mercedes-Benz C-Class, set cold pressures to 36 PSI front and 38 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 C-Class?
- The factory cold pressure spec for the 2022–2024 Mercedes-Benz C-Class is 36 PSI front / 38 PSI rear. Always use the door-jamb sticker for your specific trim.
- Is switching to 18-inch wheels safe on the Mercedes-Benz C-Class?
- Wheel size changes are fine as long as the overall tire diameter stays within ±3% of the OEM 245/40R19. Pressures typically stay close to OEM; the 36/38 setting above accounts for the small sidewall change.
- What is 36 PSI in bar or kPa?
- 36 PSI = 2.5 bar = 248 kPa. The rear 38 PSI = 2.6 bar.
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