The HEL Performance Mercedes SL Class 129 Series braided brake line kit has been manufactured in-house, assembled, and machine-crimped directly onto high-quality stainless steel braided hose ensuring an exact match to your standard brake hoses. Each HEL brake line kit arrives complete with every essential component, resulting in a smooth and straightforward installation.
What are the Benefits?
- Eliminates soft, sponge-like braking and delivers consistent performanceStandard rubber brake hoses expand under pressure, especially during harsh braking, resulting in a soft, and unpredictable brake pedal feel. Featuring a 3-layer construction, HEL braided brake hoses can withstand both extreme pressures and temperatures generated during demanding conditions, promoting new levels of braking response, modulation, and control. Standard rubber brake hoses have a lifespan of about 5 years before needing to be replaced. Why settle for inferior brake lines when HEL replacements, priced similarly, offer a lifetime of reliability?
- Unrivalled durability and abrasion resistanceWhile other manufacturers cut corners with zinc-plated fittings, HEL takes pride in manufacturing every brake hose fitting in-house using high-quality 303/304 grade stainless steel. HEL braided brake hoses feature a robust PTFE inner core, renowned for its exceptional chemical resistance and extreme temperature tolerance. Unlike traditional rubber hoses, the PTFE core shields against perishing or cracking, even over long periods of time. Reinforcing the PTFE core is a high-strength stainless steel overbraid, providing further protection against wear and tear. As a final layer of safeguarding, a clear or coloured wipe-clean PVC cover finishes the hose neatly and protects body panels and paintwork from becoming marred or scratched.
- Built to last, backed by the no-quibble HEL Lifetime WarrantyHaving full control over the in-house manufacturing process puts HEL in the position to promise you that there is no doubt in their quality, and it is something HEL is extremely proud of. All HEL brake hoses are tested to extremes in the laboratory, and on the racetrack, where they’re proven time and time again.
- Enhanced aesthetics and customisationWith multiple hose colour options available, you have the freedom to customise your brake line kit to coordinate with your colour scheme. If you prefer the OEM look, classic opaque Black seamlessly blends in. However, for those looking to make a statement, HEL offers a diverse range of colours to complement most preferences.
- HEL's unique, trend-setting hose fitting and ferrule designEvery HEL Performance brake line fitting features a unique internal multi-groove design. During the assembly process, as the hose fitting and ferrule are swaged onto the hose, the PTFE inner core is pushed into three internal grooves. These grooves are dual-purpose: they form internal sealing o-rings and they enable the free and secure rotation of the fittings post-hydraulic swaging. This innovative design not only maintains the integrity of the hose but also guarantees that the fittings remain securely in place. In bespoke applications, this promotes the ability to cleverly rotate the fittings whilst in position to finesse the fitment. The hose ferrule features an internally located locking groove, which securely aligns with a channel on the hose fitting. Once swaged together, this mechanism ensures that the hose fitting will never detach from the hose.
Why choose HEL Performance?
- Superior quality - like no otherWhat sets HEL apart is simple yet significant; HEL handles the entire manufacturing process in-house for the complete range of stainless steel brake hose fittings and ferrules using an array of the latest technology CNC machinery. This gives HEL full control over the manufacturing process, leading to exceptional quality and faultless products. This commitment guarantees longevity and unwavering durability, even when used in the most demanding and challenging conditions.
- Road legal anywhere in the worldWhen it comes to brakes, compromise simply isn't an option – especially in highly competitive motorsport environments where safety and victory can both depend on HEL's range of products. The entire range of HEL brake hoses comply with the strict criteria and requirements of FMVSS-106 and are supported by a wealth of certification, so you can use them anywhere in the world with utmost confidence.
Simply choose your favourite hose colour and click 'add to basket' to order your set of HEL brake lines. What's Stopping You?
What's Included
- Stainless Steel Braided Brake Hoses & Fittings
- Copper Crush Washers*
- Mounting Components*
- Lifetime Warranty
- Installation Leaflet
*Only provided if required.
Vehicle Specifications
| Manufacturer | Mercedes |
| Model | SL Class 129 Series |
| Variant | SL600 6.0 |
| Notes | |
| Year | 1993-2001 |
Standard OEM Replacements
Like for like replacements for the standard flexible brake hoses on your vehicle.
Want to see behind the scenes?
Take a look at the unique manufacturing and assembly process behind our flagship braided brake hoses.
Hose Specifications
| AN Hose Size | AN3, AN03, -3 |
| Internal Diameter | 3mm, 1/8" |
| External Diameter | 8mm, 5/16" |
| Weight (Per Metre) | 71g, 0.16lbs |
| Inner Material (Core) | PTFE |
| External Material (Overbraid) | Stainless Steel - 303/304 |
| External Material (Outer) | PVC (Transparent or Coloured) |
| Fitting Material (Hose End) | Stainless Steel - 303/304 |
| Minimum Temperature | -70°C -94°F |
| Maximum Temperature | 250°C, 482°F |
| Operating Pressure | 4206 PSI, 290 BAR |
| Burst Pressure | 12618 PSI, 870 BAR |
| Minimum Bend Radius (90°) | 19mm, 0.7" |
| Fluid Compatibility | Petrol, E5, E10, E85, Race Fuel, Methanol, Diesel, Nitrous Oxide, Engine & Hydraulic Oil, Air, CO2, Coolant, Water, Brake & Clutch Fluid (DOT) |
| Brand | HEL Performance |
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