This is the Pirelli P-Zero PZ4-Sport Tire, 285/30R21 100Y (Mercedes-Benz), 3946400, stocked in our warehouse and backed by a free fitment check.

Load rating is a safety number rather than a preference, especially on trucks that tow or carry weight regularly. Check the door jamb placard for the factory size and pressures rather than the tire currently fitted.
The pirelli p-zero pz4-sport tire listed here is checked against your vehicle before dispatch.
Every pirelli p-zero pz4-sport tire order goes through the same fitment review.
Ordering the pirelli p-zero pz4-sport tire takes a minute and the confirmation reaches you straight away.
Quick specs
- Size: 285/30R21
- Category: Tires
- Price: $579.85 with free shipping over $99
- Availability: in stock, dispatched from the USA
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
More in this department: Wheels & Tires · Mickey Thompson ET Drag Tire, 29.5/13.5-15 M5 90000000863, 250834 · Mickey Thompson ET Street R Tire, P275/60R15 90000028458, 254479 · full catalog
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
A neutral reference for this work is the NHTSA tire safety guide.
Common questions
How do I know this is the right part?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
Do you ship the same day?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
Can I return this part?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What happens before my order ships?
We confirm size and load rating against your vehicle details before the order leaves the shelf.




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