TSL Auto Corporation Co., Ltd. About TSL TSL Auto Corporation Co., Ltd. (an affiliate of Benz Chaengwattana) is a 5-star luxury car importer and distributor, and also the leader of Hybrid car technology with complete service center SMRT. The service is provided by specialists of all import car models with over 20 years of service experience, up-to-date equipments, and 3 service centers around Bangkok – which are Chaengwattana Head Office, New Sathorn Branch, and Sukhumvit 55 (Thong Lo) branches, in order to respond the demand of the new generation like you. For more information, please visit www.tsl.co.th or contact the 3 branches of TSL showroom: tel. 02-269-9999.