RDA Brakes Standard Disc Brake Rotor Solid 278mm

RDA Brakes · Part number RDA254 · NZ$167.00 incl. GST

For your classic Mercedes-Benz, like the trusty W123 or a stately S-Class from the 70s and 80s, these Disc Brake Rotors are the real deal, acting as the crucial friction surface for your brake pads to bring things to a safe, smooth halt.

Price

NZ$167.00 including GST. Part number RDA254.

Fits these vehicles

• Mercedes-Benz /8 (1968–1972)
• Mercedes-Benz /8 (1972–1976)
• Mercedes-Benz /8 (1972–1976)
• Mercedes-Benz /8 (1972–1976)
• Mercedes-Benz /8 (1972–1977)
• Mercedes-Benz 123 (1976–1979)
• Mercedes-Benz 123 (1976–1979)
• Mercedes-Benz 123 (1976–1979)
• Mercedes-Benz 123 (1976–1980)
• Mercedes-Benz 123 (1976–1981)
• Mercedes-Benz 123 (1976–1985)
• Mercedes-Benz 123 (1977–1980)
• Mercedes-Benz 123 (1977–1985)
• Mercedes-Benz 123 (1977–1985)
• Mercedes-Benz 123 (1977–1985)
• Mercedes-Benz 123 (1979–1985)
• Mercedes-Benz 123 (1979–1985)
• Mercedes-Benz 123 (1979–1985)
• Mercedes-Benz 123 (1979–1985)
• Mercedes-Benz 123 (1979–1985)
• Mercedes-Benz 123 (1980–1985)
• Mercedes-Benz 123 (1980–1985)
• Mercedes-Benz 123 (1980–1985)
• Mercedes-Benz 123 (1980–1985)
• Mercedes-Benz 123 (1981–1985)
• Mercedes-Benz 123 (1986–1991)
• Mercedes-Benz 200 (1980–1987)
• Mercedes-Benz G-Class (1979–1991)
• Mercedes-Benz S-Class (1968–1972)
• Mercedes-Benz S-Class (1972–1980)
• Mercedes-Benz S-Class (1972–1980)
• Mercedes-Benz S-Class (1979–1985)
• Mercedes-Benz S-Class (1979–1985)
• Mercedes-Benz SL (1974–1981)

Description

Disc Brake Rotor Replacement Guide — Featuring RDA: Keepin' Your Classic Benz Stopping Sweet!
> Alright, let's talk rotors. These shiny metal discs spin right along with your wheels, giving your brake pads something solid to bite into. But over time, all that heat, friction, and a bit of Kiwi weather can thin 'em out, warp 'em, or carve 'em up with grooves. When that happens, your classic Mercedes-Benz's stopping power takes a real hit — and that's just not on for our roads!
Signs Your Rotors Are Saying 'Help Me, Bob!'
• That annoying shimmy or pulse you feel through the brake pedal or steering wheel when you hit the anchors.
• Squealing, grinding, or a nasty scraping sound when you're braking.
• Taking a bit longer to stop than usual, or a 'spongy' feel to the pedal.
• You can actually see deep scratches, grooves, or funny discolouration on the rotor surface.
• A whiff of something burning after some heavy braking (not your cafe lunch!).
Will it pass WOF?
Nah, mate. Severely worn, warped, or damaged brake rotors are a big no-no for your Warrant of Fitness here in New Zealand. Good, effective brakes are non-negotiable for safety, plain and simple.
DIY or Workshop?
Difficulty: 6/10 (Moderate — a bit of elbow grease required)
Estimated Time: 1-2 hours per axle (if you're handy with the spanners)
Tools Required: Jack and jack stands (never get under a car supported only by a jack!), wheel nut wrench, brake caliper compression tool, socket set, torque wrench, brake cleaner, wire brush, and maybe an impact wrench if those bolts are stubborn.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you dive in, make sure you've got these bits and bobs to make the job smoother, safer, and cleaner:
• Safety First! Grab some sturdy Safety Glasses to protect those eyes from flying dust or rust, and some tough Nitrile Gloves to keep your hands clean from brake dust and grease. Your hands will thank you!
• Cleanliness is Key! A good blast of Brake Cleaner is essential to get rid of all that carbon dust and gunk from your calipers and new rotors. Start fresh!
• Smooth Operator! Don't forget some quality anti-seize caliper grease. It helps those caliper pins slide nicely and keeps things quiet.
Expert Recommendation
Here at CARFIX, we know how vital good brakes are, especially for those classic Mercedes-Benz beauties where finding the right parts can be a bit of a mission or cost an arm and a leg. Swapping out your brake rotors is a critical job that directly impacts your safety and how confident you feel behind the wheel. The RDA RDA254 Disc Brake Rotor is a cracker of a choice, offering a quality replacement that's up to scratch with, or even better than, the original specs. It'll keep your vintage Benz stopping consistently and safely. Bob @ CARFIX is always keen for a yarn to help you figure out exactly what part your Mercedes-Benz needs. Pop over to Bob's Shop for a chat — the kettle's always on!
Fitment Notes
This particular RDA Disc Brake Rotor (RDA254) is a great fit for a heap of classic Mercedes-Benz models, including the W123 200 T, 230 T, 300 T D, 300 Turbo-D, 230 E, 240 D, 300 D, as well as various S-Class (W108/W109, W116) and /8 (W114/W115) models from the late 1960s right through to the mid-1980s. Always do a quick double-check of your specific year, model, and engine variant against the full fitment list to make sure it's a perfect match — no one likes a mis-fit!
Sorted? Give Bob a Bell!
Got questions? Need a hand finding the right brake bits for your classic Mercedes-Benz? Don't be shy! Reach out to Bob and the friendly crew at CARFIX. We're here to help you get your project sorted, so you can cruise with confidence. Give us a call or swing by the shop — we're always up for a chat about classic cars and getting things done right!

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🛠️ Bob's Pro Tip: Do the Job Right!

🧰 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.