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  • Mercedes-Benz - LSD conversion set

    RD5018

    Differential type

    Mercedes-Benz LSD Conversion Kit (185mm / 188mm Differential)

    Eliminate One-Wheel Spin & Upgrade Rear-Wheel Traction

    Upgrade your Mercedes-Benz with the RacingDiffs Progressive LSD Conversion Kit, designed for 185mm and 188mm open differentials.

    This kit transforms your standard differential into a clutch-type limited slip differential with approximately 25% lock, delivering improved traction, better corner exit grip and more predictable handling.

    What Problem Does This Solve?
    • One-wheel spin under acceleration
    • Loss of rear traction in corners
    • Reduced power delivery on street and performance builds

    The RacingDiffs LSD conversion kit distributes torque to both rear wheels, improving grip, stability and driving confidence.

    Compatible Mercedes Models – 185mm Differential
    • Mercedes W201 (190 Series, 1982–1993)
      • 190E 2.3
      • 190E 2.6
      • 190E 2.3-16
      • 190E 2.5-16
    • Mercedes W124 (E-Class, 1984–1995)
      • 230E / E230
      • 260E / 300E 2.6
      • 280E / E280
      • 200D
      • 250D
      • 250D Turbo
    • Mercedes W202 (C-Class, 1993–2000)
      • C180
      • C200
      • C220
      • C230
      • C230 Kompressor
      • C200D
      • C220D
      • C250D
      • Early C280
    Compatible Mercedes Models – 188mm Differential
    • Mercedes W204 (C-Class, 2007–2015)
      • C180
      • C200
      • C220
      • C250
      • C300

    Non-AMG standard models. If unsure, contact us to confirm differential size before purchase.

    Why RacingDiffs Over Cheap LSD Kits
    • No metal shavings issue – friction discs protect internal components.
    • High-grade tool steel construction – heat-treated and nitrided for maximum durability.
    • ZF-inspired progressive locking design – smooth in daily driving, aggressive under load.
    • Easy-mount version – plug-and-play fitment with no modifications required.
    Key Features
    • Approximately 25% locking rate
    • Progressive engagement for street and performance use
    • Easy installation
    • Complete kit with all required parts
    • Heat-treated and nitrided components for long service life
    Performance Benefits
    • Improved traction on acceleration
    • Better corner exit stability
    • More predictable rear-wheel-drive behavior
    • Upgraded grip for street, fast road and track use
    Installation Notes

    The kit contains all parts necessary for installation.

    Before installation, inspect the inner surface of the small spider gears. The surface must be smooth and undamaged. Worn or damaged gears can cause premature wear of the new central pin and possible failure.

    If necessary, have the spider gear surfaces machined before installation.

    Upgrade your Mercedes-Benz differential with RacingDiffs and enjoy true limited slip performance.

    *Product appearance may vary slightly due to continuous improvements.