Ford S-Max Brake Discs: Specs, Fitment & Wear Symptoms
A pulsing brake pedal on the S-Max is usually blamed on warped discs — but the real, more common cause is something different entirely.
Illustration for editorial purposes
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OEM Part Number: 2019816
| Genuine Ford reference, Edge/S-Max shared front disc (316mm) | Ford OEM: 2019816 |
|---|---|
| 2.0 TDCi (140bhp), front discs | 300mm diameter, vented, 28mm thickness, 26mm minimum |
| 2.2 TDCi (200bhp) and 2.5 ST, front discs | 316mm diameter, vented, 28mm thickness, 26mm minimum |
| Rear discs, most variants | 302mm diameter, solid, 11mm thickness, 9.5mm minimum |
Ford S-Max Brake Discs: The Part That Pads Depend On
On the Ford S-Max, it's a paired system: let either one wear too far and the other suffers for it, which is why so many "just a pad change" jobs end up including discs once a mechanic actually looks.
Before Assuming Your S-Max's Discs Have Warped
A pulsing brake pedal or vibrating steering wheel is commonly assumed to mean the discs have warped, but in the large majority of cases they haven't physically bent from heat at all. What's actually happening is Disc Thickness Variation (DTV) — uneven pad material deposits building up across the disc surface, often during the bedding-in period after a fresh fit — producing the exact same sensation as true warping. Bedding in new discs and pads gradually rather than braking hard early on measurably reduces the risk of this developing.
Ford S-Max Brake Discs: What They Do
Brake discs provide the surface the brake pads clamp against to slow the car, converting momentum into heat through friction. Larger, sportier trims of the S-Max typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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Ford S-Max Brake Discs: Wear Symptoms, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Brake Discs Guide for warning signs to watch for, confirming fitment against your VIN, and choosing a reliable aftermarket disc.
More Ford Brake Discs
The same part, covered across other Ford models.