Equip your Mercedes 124 (W124, C124, S124, A124) with a Quaife ATB limited slip differential and benefit from significantly improved traction, more precise handling and increased driving safety – completely maintenance-free and with a lifetime warranty.
How the Quaife LSD works
The Quaife Automatic Torque Biasing (ATB) differential works purely mechanically via precision-manufactured bevel gears and shafts that automatically redirect the torque to the wheel with better grip. Unlike multi-plate locks, the Quaife LSD does not require any wear parts and operates silently without plucking. It requires no special gear oils or modified maintenance intervals and is backed by a lifetime warranty for road and motorsport.
At Home on the Road and on the Track
In everyday use, the Quaife impresses with its unobtrusive, noiseless operation combined with improved traction, more stable braking maneuvers and reduced understeer or oversteer. On track days, it delivers maximum acceleration out of corners, prevents wheel spin and enables higher cornering speeds. The differential never “locks” abruptly, but works smoothly and predictably – a decisive advantage at the limit.
Popular 124 models for the Quaife LSD:
You can use the Quaife Limited Slip Differential on these W124 models:
- Mercedes W124 280 E
- Mercedes W124 E 280
- Mercedes W124 280 E
- Mercedes W124 E 280
- Mercedes W124 280 E
- Mercedes W124 E 280
- Mercedes W124 300 E-24
- Mercedes W124 320 E
- Mercedes W124 E 320
- Mercedes W124 400 E
- Mercedes W124 E 420
- Mercedes W124 500 E
- Mercedes W124 E 500
You can use the Quaife Limited Slip Differential on these C124 models:
- Mercedes C124 300 CE-24
- Mercedes C124 320 CE
- Mercedes C124 E 320 Coupé
You can use the Quaife Limited Slip Differential on these S124 models:
- Mercedes S124 280 TE
- Mercedes S124 E 280 Estate
- Mercedes S124 300 TE-24
- Mercedes S124 320 TE
- Mercedes S124 E 320 Estate
You can use the Quaife Limited Slip Differential on these A124 models:
- Mercedes A124 300 CE-24 Cabriolet
- Mercedes A124 E 320 Cabriolet
Contact us if you have any questions about use with these and other models.
About Quaife
Quaife Engineering has been manufacturing high-performance transmission components for motorsport in the UK since 1965. With over 100,000 units sold and the trust of OEMs such as Ford, Lotus, BMW and GM, Quaife has established itself as the industry standard.
As rpmdepot, we import Quaife locking differentials to Germany and supply customers throughout Europe and worldwide.
We also offer you the option of installing the Quaife lock and overhauling your differential at the same time. On request, we can have your differential conveniently collected from your home or workshop and you will receive the ready-to-install differential back. We can also take this opportunity to rework the output flanges, which may be necessary on some models.



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