Mercedes-Benz GLC Brake Discs: Specs, Fitment & Wear Symptoms
On the GLC, genuine, original Mercedes discs are designed for aggressive autobahn speeds, meaning UK speed limits genuinely shouldn't cause true warping.
Illustration for editorial purposes
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OEM Part Number: 000-421-28-12-64 (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.D528.13 / Bosch 0 986 479 H48
| Front brake discs (aftermarket) | Bosch 0 986 479 H48 (330 x 32 mm, vented, two-piece, 5 holes, coated, high-carbon, ECE-R90, minimum 29.4 mm); ATE 24.0132-0301.2 (330 x 32 mm, vented, two-piece, 5 holes, coated, high-carbon, minimum 29.4 mm); Brembo 09.D528.13 (330 x 32 mm, vented, two-piece steel hub, 5 holes, coated, high-carbon, minimum 29.4 mm); Zimmermann 400.5522.30 (330 x 32 mm, vented, 5 holes, coated, high-carbon, minimum 29.4 mm); Bosch 0 986 479 H41 (342 x 32 mm, vented, two-piece, 5 holes, coated, high-carbon, minimum 29.4 mm); Brembo 09.D529.13 (342 x 32 mm, vented, two-piece steel hub, 5 holes, coated, high-carbon, minimum 29.4 mm); ATE 24.0132-0302.2 (342 x 32 mm, vented, two-piece, 5 holes, coated, high-carbon, minimum 29.4 mm); ATE 24.0136-0134.2 (360 x 36 mm, vented, drilled, two-piece, 5 holes, coated, high-carbon, minimum 34 mm). |
|---|---|
| Disc sizes & variants | Four front sizes. 330 x 32 mm two-piece is the standard disc on GLC200, 220d and 250/250d with the base brake; 342 x 32 mm two-piece is the AMG Line sports brake and the 300/350; 360 x 36 mm drilled is the GLC43 AMG; 390 x 36 mm slotted and drilled with an aluminium hub (Brembo 09.B848.33, Zimmermann 400.5527.70) is the GLC63 AMG. The 300 mm, 320 mm and 360 mm rear sizes are rears. |
| Genuine (OE) numbers quoted | 000-421-28-12-64 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist) |
| Fitment notes | 330 mm and 342 mm fronts share the same 32 mm thickness and 29.4 mm minimum, so measure the diameter before ordering; both are two-piece discs with a steel hub. The Ridex 82B2039 budget disc is limited to cars built up to 11/2016. |
Mercedes-Benz GLC Brake Discs: The Part That Pads Depend On
On the Mercedes-Benz GLC, discs and pads don't wear independently — neglect one and the other degrades faster too, which is exactly why what starts as a routine pad change frequently turns into a disc replacement as well.
Mercedes-Benz GLC Brake Discs: Watch: Replacing It
Alt piQ-GMEzlXM (2016-2022 GLC300 front brakes).
Mercedes-Benz GLC 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 GLC typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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A Genuinely Distinctive, Honest Finding Worth Knowing — Mercedes-Benz GLC Brake Discs
If a vibration under braking has been diagnosed as warped discs, this is genuinely worth knowing: genuine, original Mercedes discs are designed specifically to withstand aggressive autobahn speeds, meaning UK speed limits genuinely shouldn't be enough to cause true warping under normal driving conditions. What's commonly mistaken for warping is far more often corrosion buildup or uneven pad material transfer.
It's also genuinely worth knowing a useful, cost-free fix: braking firmly from around 60mph five or six times can deglaze the disc and pad contact faces, often curing a vibration without needing to replace any parts.
Mercedes-Benz GLC 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 Mercedes-Benz Brake Discs
The same part, covered across other Mercedes-Benz models.