Endless Brake Pads for W209 Mercedes-Benz CLK55 AMG
Endless’s Brake Pads for W209 Mercedes-Benz CLK55 AMG cover the second CLK55, which Mercedes built from 2002 to 2006 and Endless lists for 2004 to 2006. The front shape, EIP108, is one Endless references to the W203 C-Class and W220 S-Class, and the rear, EIP014, is the same pad Endless lists for the earlier W208 CLK55. This pair is sold in four street compounds and eighteen racing ones, with MA45B among the latter for the front axle. Our pick for a CLK55 used on the road is MX72; for one that sees a circuit a few times a year, MX72 Plus.
Features
- Endless pad shapes EIP108 front and EIP014 rear, listed for the 2004 to 2006 CLK55 AMG
- SSM Plus, MX72, MX72 Plus and CC-Rg for road and track-day use
- Seventeen racing compounds for both axles, in the Racing Group and as W003 and S330
- MA45B endurance compound offered for the front axle only
- Front, rear and Front and Rear Set options in every other compound
Choosing a Compound
For a CLK55 driven on the road, MX72 is our choice: it bites well from cold, stays quiet and keeps dust down. SSM Plus is the gentler, cleaner option for a car that commutes, and Endless does not price SSS for these shapes. MX72 Plus suits track days on street tires and CC-Rg suits frequent circuit use. MA45B is offered for the front axle only, because Endless does not price it for the EIP014 rear shape. W007 and W008, which Endless prices for this car, are left off because Endless designs both for carbon ceramic rotors, and the CLK55 runs iron rotors.
Every figure below is Endless’s own. Friction is the compound’s average friction coefficient, so a higher number gives more bite for the same pedal pressure. The rotor range is the band of rotor temperatures Endless designs the compound to work in, so choose by the temperatures your car will see.
Street and street-to-track compounds
- SSM Plus (street): non-asbestos; friction 0.33-0.40; rotor range 0-550C (32-1022F). Low dust, low noise and long life. Braking builds with pedal pressure rather than a sharp first bite, for drivers who want clean wheels and a quiet car.
- MX72 (street to light track): ceramic carbon metal; friction 0.37-0.47; rotor range 50-700C (122-1292F). Minimal noise and dust, strong friction at low temperatures, reduced rotor wear and a better pedal feel than a typical semi-metallic pad. Endless’s dual-duty compound for a road car that sees the occasional track day.
- MX72 Plus (street to circuit): ceramic carbon metal; friction 0.39-0.47; rotor range 50-750C (122-1382F). Holds its braking force to higher temperatures than MX72, with stable control and a consistent pedal release. Endless aims it at cars on street tires that run on track.
- CC-Rg (track day, street capable): ceramic carbon metal; friction 0.38-0.45; rotor range 50-800C (122-1472F). High initial bite across a wide temperature range, even when cold, and modulation that works with the factory ABS under hard use. Endless notes it is noisy on the street; it is the step up from MX72 Plus for regular track days.
Racing compounds
Each option below is one choice in the Choose Compound menu. For a group, name your compound in the order notes and Bulletproof Automotive confirms it with your order. Every racing compound needs Endless’s bedding procedure: at 70 to 80 percent of normal pedal effort, bring the rotors gradually to 400C (752F), then let them cool below 150C (302F) before hard use.
Racing Group
- ME22: dual braking style; friction 0.33-0.38; rotor range 150-800C (302-1472F). Developed from ME20 with lower friction for control, for light to mid-weight cars or heavier cars on slower circuits. Endless rates it for street and track.
- ME20: trail-braking style; rotor range 150-800C (302-1472F). High, stable friction at high temperature with low wear, developed for touring cars and rally. Works front or rear, with stock or racing ABS.
- N35S: trail-braking style; rotor range 300-800C (572-1472F). Quick, sharp and responsive, with stable modulation under high temperature and load. Endless’s flagship rally compound, also run in FIA GT, and its suggested starting point for drivers new to Endless racing pads.
- N05U: trail-braking style; friction 0.46-0.53; rotor range 300-800C (572-1472F). More bite than N35S, popular in sprint-focused Porsche Cup cars.
- N05S: trail-braking style; friction 0.45-0.53; rotor range 300-800C (572-1472F). Immediate high friction with little pedal effort, used in Japanese rally cars without brake boosters and in European and Australian sprint racing.
- N30C: friction 0.50-0.60; rotor range 300-800C (572-1472F). High initial bite, gentle on rotors and low wear. A rally compound for cars without a brake booster.
- MS20: friction 0.32-0.38; rotor range 150-800C (302-1472F). A low-friction rear pad with a flat torque curve and long life, for club racing cars.
- MS25: friction 0.36-0.42; rotor range 150-800C (302-1472F). Warms up gradually even under heavy braking. Endless pairs it with a higher-friction pad to prevent lock-up.
- MS35: friction 0.45-0.53; rotor range 300-800C (572-1472F). Mid to high initial bite with good modulation and control, a sprint pad for a wide range of conditions.
- ML20A: friction 0.30-0.33; rotor range 300-800C (572-1472F). A rear compound with lower initial bite to prevent rear lock-up, for lightweight GT cars.
- ML35A: friction 0.30-0.38; rotor range 300-800C (572-1472F). Slightly lower friction with excellent modulation and wear, for lighter GT cars.
- ML40A: friction 0.32-0.47; rotor range 300-800C (572-1472F). Moderate friction that resists lock-up, an endurance compound.
- S55G: Endless publishes no figures. It suits lightweight and front-wheel-drive cars, and the rear of front-wheel-drive cars, with high controllability.
- PC35: Endless publishes no figures. More bite than N35S with high braking force and a stable pedal; Endless’s base pad for rally raid.
- S41S: Endless publishes no figures. Developed for GT cars, including GT3, under high brake loads.
Sold as their own options
- W003: trail-braking style; friction 0.40-0.45. Similar in character to N35S with better wear, tough and stable at high temperature with a linear torque curve; run in rally, touring cars, ALMS and PWC. Circuit only: Endless does not recommend it for the street and notes high rotor wear when cold.
- S330: trail-braking style; friction 0.60-0.70; rotor range 300-850C (572-1562F). High friction for sprint racing, with good control at high levels and without accelerating rotor wear; run in Super GT, stock cars and GT2 and GT3 sprint racing.
- MA45B: standard braking style; rotor range 300-800C (572-1472F). Endless’s endurance compound: low friction but stable for a whole race, with excellent heat resistance and wear. Most Nurburgring and Spa 24 Hours entrants run it. Offered for the front axle only on this car.
Applications
- Mercedes-Benz CLK55 AMG: W209 | 2004-2006
Notes
- Each Front or Rear set of Brake Pads for W209 CLK55 cars covers both wheels on one axle
- Endless lists 2004 to 2006. Owners of a 2003 CLK55 should check with Bulletproof Automotive before ordering.
- Not for the earlier W208 CLK55 AMG, which Endless lists on the EIP042 front pad, or for the CLK63 AMG
- For the factory brakes; a car converted to an aftermarket big brake kit takes the pads for those calipers
Frequently Asked Questions
- Which CLK55 models do the Endless Brake Pads for W209 fit? The second-generation CLK55 AMG that Endless lists for 2004 to 2006, on EIP108 at the front and EIP014 at the rear. The Endless Brake Pads for W209 CLK55 cars here do not fit the earlier W208 CLK55, which takes a different front pad, and a 2003 car should be checked with Bulletproof Automotive before ordering.
- Can I get MA45B for the rear of a CLK55? No. Endless prices MA45B for the EIP108 front shape but not for the EIP014 rear, so this listing offers it for the front axle only. An endurance car would pair it with another racing compound at the rear, and Bulletproof Automotive can help choose one from the Racing Group when the order is placed.
- What should a CLK55 run for regular track days? CC-Rg, once the car is on track most months. Endless rates it to 800C, or 1472F, with high initial bite across a wide temperature range, even when cold, and modulation that works with the factory ABS. Owners who only lap a few times a year are better on MX72 Plus, which is quieter on the drive home.
- Does SSM Plus suit a CLK55 used every day? Yes. SSM Plus is the Endless street compound for low dust, low noise and long life, and its braking builds with pedal pressure, which is easy to live with in traffic. Endless rates it to 550C, or 1022F, enough for normal road use. A CLK55 driven hard on back roads is better served by MX72.
- Do racing compounds need special bedding on a CLK55? Yes. Before any hard use, Endless asks for its bedding procedure on every racing compound: work the brakes at 70 to 80 percent of normal pedal effort until the rotors reach 400C, or 752F, by degrees, then let them cool below 150C, or 302F. Complete it before the first timed session rather than during one.
About Endless
Endless is a Japanese brake manufacturer that designs everything in-house and manufactures domestically in Japan, holding surface accuracy to 1/1000mm under strict quality control. The company developed its own laminated sintered wire-mesh backing plate and ceramic carbon rotors, and it proves its parts in competition, running its own factory motorsport program and supplying winning teams across Japanese and European racing. From pads and slit rotors to forged and monobloc calipers, brake fluid, and lines, Endless builds braking systems trusted on both street and circuit.
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