TRW Disc Brake Rotor 345mm x 30 Min
TRW · Part number DF4222S · NZ$242.00 incl. GST
For your trusty Mercedes-Benz M-Class, those Disc Brake Rotors are the real heroes, giving your brake pads a solid surface to grab onto, ensuring you stop safely every single time; the TRW option is a top-notch choice.
Price
NZ$242.00 including GST. Part number DF4222S.
Fits these vehicles
- Mercedes-Benz M-Class (1998–2002)
- Mercedes-Benz M-Class (1998–2005)
- Mercedes-Benz M-Class (1999–2005)
- Mercedes-Benz M-Class (2000–2005)
- Mercedes-Benz M-Class (2001–2005)
- Mercedes-Benz M-Class (2001–2005)
- Mercedes-Benz M-Class (2002–2005)
- Mercedes-Benz M-Class (2003–2005)
Description
Disc Brake Rotor Replacement Guide — Featuring TRW
> Disc brake rotors are absolutely vital for safe braking, doing the hard yards by turning all that go-fast energy into heat through friction with your brake pads. For a big, comfy SUV like your Mercedes-Benz M-Class, these rotors get a proper workout, dealing with heaps of heat and stress, so they'll naturally wear down or even warp over time, which can really muck up your braking performance.
Signs It Might Be Time for a Change
• That annoying vibration or pulsing through your brake pedal or steering wheel when you hit the anchors.
• Any squealing, grinding, or scraping noises — not the good kind of music!
• Feeling like it's taking longer to pull up.
• Seeing obvious gouges, deep grooves, or weird discolouration on the rotor surface.
• A brake pedal that feels a bit too soft or spongy.
Will it pass WOF?
Nah, mate, worn or dodgy brake rotors are a definite no-go for a New Zealand Warrant of Fitness (WOF). The WOF check is super strict on brake performance, rotor thickness, and how tidy the surface looks. Any serious wear, cracks, or warping means you'll be getting a fail slip.
DIY or Workshop?
Difficulty: 6/10 (Moderate)
Estimated Time: 1-2 hours per axle
Tools Required: Jack and jack stands, wheel nut wrench, brake caliper compression tool, socket set, torque wrench, brake cleaner, wire brush, possibly an impact wrench.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you dive into swapping out those rotors, let's make sure you're all set up for success and safety. You'll want to grab a few bits and pieces to make the job easier and cleaner:
• Brake Cleaner: Essential for blasting away all that carbon dust and grime. Grab a can or two to keep things spotless! Brake Cleaner
• Anti-Seize Caliper Grease: A little dab of this on caliper slides can prevent seized components down the track. Trust us, it saves headaches! Brake Lubricant
• Safety Glasses: Your eyes are precious! Always wear these when working under the car, especially when dealing with brake dust. Safety Glasses
• Heavy-Duty Nitrile Gloves: Keep your hands out of the muck and protect them from nasty brake dust. Plus, they make clean-up a breeze! Nitrile Gloves
Remember, safety first! Never, ever get under a car that's only supported by a jack. Always use proper jack stands.
Expert Recommendation
Bob @ CARFIX always reckons you should replace brake rotors the moment they start showing signs of wear or damage. It's the best way to keep your braking tip-top and your family safe. The TRW Disc Brake Rotor is a cracker choice for your Mercedes-Benz M-Class — known for its quality and staying power, giving you reliable stopping power. Bob @ CARFIX is always here for a yarn and to help you figure out exactly what part your Mercedes-Benz M-Class needs. Pop into Bob's Shop for a cuppa and a chat!
Fitment Notes
These disc brake rotors are specifically designed for various Mercedes-Benz M-Class models from 1998-2005, including the ML 270 CDI, ML 350, ML 320, ML 430, ML 500, ML 400 CDI, and ML 55 AMG. Always confirm the exact fitment for your specific vehicle's year, model, and engine size to ensure compatibility.
---
🛠️ Bob's Pro Tip: Do the Job Right!
> If you're swapping out these parts on your vehicle M-Class, always install fresh brake pads. Check out our compatible TRW Brake Pads (SKU GDB1378) to ensure a perfect bed-in and get the job done properly first time!
🧰 What Else You'll Need:
• Safety First: Never work under a vehicle supported only by a jack. Always secure it on heavy-duty safety jack stands.
• Brake Dust Protection: Keep a pack of Nitrile Gloves handy to protect your hands from grease and dust.
• Clean and Prep: Use Brake Cleaner to clean the anti-corrosion shipping oil off the new rotors before mounting the calipers.
• Lubrication: Apply caliper grease to caliper slide pins and pad contact points to prevent squealing.