How do I know if the Endless Brake Pads for R230 SL55 cars fit mine?

Check two things, the model year and the front calipers. The Endless Brake Pads for R230 SL55 roadsters on this listing fit 2007 and 2008 cars with 6-piston front calipers. Endless lists the 8-piston cars of those years, and every 2003 to 2006 SL55, on different pads, so count the pistons on a front caliper before ordering.

Does the SL63 AMG use the same pads?

Yes. Endless lists the same EIP162 front and EIP190 rear shapes for the R230 SL63 AMG of 2009 to 2012, the car that replaced the SL55 with the 6.2-liter M156. The SL63 is sold on its own listing with its own years, but the sets are identical, so either listing serves an owner of either car.

Which compound suits an SL55 at track days?

MX72 Plus for occasional days on street tires, rated by Endless to 750C, or 1382F. For a car on track most months, CC-Rg holds high bite to 800C, or 1472F, and works with the factory ABS under hard use. Endless notes CC-Rg is noisy on the road, which is easier to hear in a roadster driven with the roof down.

Is MA45B available for both axles on the SL55?

Yes. Endless prices MA45B for EIP162 and for EIP190, so it can be ordered as a Front set, a Rear set or a Front and Rear Set. It is the Endless endurance compound, low in friction but stable for a whole race, and it belongs on an SL55 prepared for long events rather than one doing track days.

Which Endless pad is cleanest on an SL55?

SSM Plus. Endless rates it for low dust, low noise and long life, and it covers rotor temperatures up to 550C, or 1022F, which is ample for road use. MX72 is the next step for a driver who wants more bite from cold, and Endless still describes it as minimal in noise and dust.

Endless Brake Pads for R230 Mercedes-Benz SL55 AMG with 6-Piston Front Calipers

Endless’s Brake Pads for R230 Mercedes-Benz SL55 AMG with 6-Piston Front Calipers are for one of two brake setups Endless lists on the last SL55s, the 2007 and 2008 roadsters with the supercharged 5.4-liter M113. Endless splits those years by front caliper: cars with 6-piston calipers take EIP162 at the front and EIP190 at the rear, while 8-piston cars take different pads, so count the pistons before ordering. EIP162 is a front shape Endless also lists for the W204 C63 AMG, and EIP190 is the rear it names after that car. On a road SL55, MX72 is our pick.

Features

Endless pad shapes EIP162 front and EIP190 rear, for 2007 to 2008 SL55s with 6-piston front calipers
Four street and street-to-track compounds, from SSM Plus to CC-Rg
Eighteen racing compounds, with MA45B priced for both axles
The same pair Endless lists for the R230 SL63 AMG from 2009 to 2012
Every compound sold for one axle or as a Front and Rear Set

Choosing a Compound

An SL55 used as a weekend roadster suits MX72: strong friction from cold, little dust and a better pedal feel than a typical semi-metallic pad. SSM Plus is the cleaner, quieter option for a car driven gently, and Endless does not price SSS for these shapes. MX72 Plus covers track days on street tires and CC-Rg covers regular circuit use. MA45B and the other racing compounds are for a prepared car. W007 and W008, which Endless prices for this pair, are left off because Endless designs both for carbon ceramic rotors, and the brakes these pads fit use 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.

Applications

Mercedes-Benz SL55 AMG: R230 | 2007-2008 | 5.4L M113 supercharged V8

Notes

Each Front or Rear set of Brake Pads for R230 SL55 cars with 6-piston front calipers covers both wheels on one axle
Endless lists 2007 to 2008 SL55s with 8-piston front calipers on different pads, so check the front calipers before ordering
Not for the 2003 to 2006 SL55 AMG, which Endless lists with an eight-piece front set and different shapes at both axles
The R230 SL63 AMG takes the same EIP162 and EIP190 pair and is sold on its own listing
For the factory brakes; a car converted to an aftermarket big brake kit takes the pads for those calipers

Frequently Asked Questions

How do I know if the Endless Brake Pads for R230 SL55 cars fit mine? Check two things, the model year and the front calipers. The Endless Brake Pads for R230 SL55 roadsters on this listing fit 2007 and 2008 cars with 6-piston front calipers. Endless lists the 8-piston cars of those years, and every 2003 to 2006 SL55, on different pads, so count the pistons on a front caliper before ordering.
Does the SL63 AMG use the same pads? Yes. Endless lists the same EIP162 front and EIP190 rear shapes for the R230 SL63 AMG of 2009 to 2012, the car that replaced the SL55 with the 6.2-liter M156. The SL63 is sold on its own listing with its own years, but the sets are identical, so either listing serves an owner of either car.
Which compound suits an SL55 at track days? MX72 Plus for occasional days on street tires, rated by Endless to 750C, or 1382F. For a car on track most months, CC-Rg holds high bite to 800C, or 1472F, and works with the factory ABS under hard use. Endless notes CC-Rg is noisy on the road, which is easier to hear in a roadster driven with the roof down.
Is MA45B available for both axles on the SL55? Yes. Endless prices MA45B for EIP162 and for EIP190, so it can be ordered as a Front set, a Rear set or a Front and Rear Set. It is the Endless endurance compound, low in friction but stable for a whole race, and it belongs on an SL55 prepared for long events rather than one doing track days.
Which Endless pad is cleanest on an SL55? SSM Plus. Endless rates it for low dust, low noise and long life, and it covers rotor temperatures up to 550C, or 1022F, which is ample for road use. MX72 is the next step for a driver who wants more bite from cold, and Endless still describes it as minimal in noise and dust.

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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