CARFIX

TRW Disc Brake Rotor 330mm x 29.4 Min

TRW — TRW Disc Brake Rotor 330mm x 29.4 Min — part number DF4471S

TRW · Part number DF4471S · NZ$390.00 incl. GST

For your trusty Mercedes-Benz M-Class or R-Class, these disc brake rotors are the unsung heroes, giving your brake pads something solid to bite into, and the TRW option we've got here is a top-notch choice.

Price

NZ$390.00 including GST. Part number DF4471S.

Fits these vehicles

Description

Mercedes-Benz Disc Brake Rotors: Keepin' Your Luxury Ride Safe & Sound
> Alright, let's talk rotors, eh? These spinning metal discs are where the magic happens when you hit the brakes on your Mercedes-Benz M-Class or R-Class. They're what your brake pads squeeze against, turning all that go-fast energy into heat and bringing your big rig to a smooth stop. But like anything working hard, especially under the demands of a hefty luxury vehicle, they wear down, warp, or even crack over time, which means your stopping power goes a bit pear-shaped.
Is Your Merc Trying to Tell You Something?
• Feeling a bit of a shimmy or shake through the brake pedal or steering wheel when you're slowing down?
• Hearing some dodgy squeals, grinds, or scrapes when you hit the anchors?
• Notice it's taking a bit longer to pull up than it used to?
• Had a look and seen some nasty grooves, cracks, or odd discolouration on the rotor surface?
• Does your brake pedal feel a bit soft or spongy, like a tired old couch?
WOF Check? Not A Chance, Mate!
Nah, no way. If your brake rotors are looking a bit sad – worn, warped, or outright damaged – your beloved Merc won't be passing its Warrant of Fitness here in New Zealand. Good brakes aren't just a suggestion; they're an absolute must-have for safety.
Tackling This Job: DIY or Mate's Rates at the Workshop?
Difficulty: 6/10 (A bit of a challenge, but doable for a keen DIYer)
Estimated Time: About 1-2 hours per axle (if you know your way around a spanner)
Tools You'll Need: A reliable jack, some sturdy jack stands (safety first!), a lug wrench, a brake caliper compression tool, a decent socket set, a torque wrench (super important!), a wire brush, some brake cleaner, and maybe even an impact wrench if those bolts are playing hard to get.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you dive into swapping out those rotors, let's make sure you've got everything you need for a smooth, safe job and to keep your hands clean enough for a cafe lunch afterward!
• Safety First! Grab some tough Safety Glasses – you don't want any brake dust or rust flakes in your eyes. And a pair of heavy-duty Nitrile Gloves will keep your mitts spotless and protected from grime and chemicals.
• Blast That Dust! A good can of Brake Cleaner is your best mate for blasting away all that old brake dust and crud, ensuring everything's sparkling clean for reassembly.
• Smooth Operator! Don't forget some anti-seize Caliper Grease for those caliper pins. It helps things move freely and prevents annoying squeaks down the track.
Bob's Hot Tip
Bob here at CARFIX always says, when your rotors are looking tired or damaged, just replace 'em! It's a no-brainer for keeping your braking performance tip-top and your family safe. This TRW DF4471S disc brake rotor is a fantastic choice – known for its solid quality and durability, ensuring your Mercedes-Benz stops on a dime. If you're scratching your head, Bob @ CARFIX is always keen for a yarn to help you figure out exactly what part your Mercedes-Benz M-Class or R-Class needs. Pop over to Bob's Shop for a chat, eh?
Fitment Fiddly Bits
This TRW rotor is specifically designed for a bunch of Mercedes-Benz M-Class (ML 280 CDI, ML 300 CDI, ML 320 CDI, ML 350, ML 350 CDI) and R-Class (R 280, R 350 CGI, R 350 CDI) models, roughly from 2005 to 2014. Now, even within the same model year, things can change, so always, always double-check with your vehicle's exact specs to make sure you get the perfect fit. Don't want to get caught out!

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🛠️ 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 GDB1642) 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.