The T50 is an early development of the vacuum brake booster and was from VIN 6501956 standard equipment in the 190SL. Due to the location - independent installation (no mechanical connection to
ATE T50 Brake Booster Diagnosis Vol 3 - YouTube
Testing rare ATE T50-24 power brake booster - YouTube
Mercedes brake booster nos original ATE Typ T50/26 w112 w198 300 sl Roadster | eBay