{"nhtsa_id":10021368,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-04-10","date":"2007-02-05","document_id":"331522","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE","mfr_system":null,"summary":"SQUEAKING/THUMPING NOISE FROM FRONT AXLE / UPPER BALL JOINT SEALING BOOT ON UPPER CONTROL ARM DAMAGED/TORN. MERCEDES BENZ. MODELS SLK230, SLK32, SLK320, CL55, CL500, CL600, CL65, E320, E350, E500, E550, E55, E63, CLS550, CLS500, CLS55, CLS63, S350, S430, S55, S500, S600, S65, S430, SL550, SL55, SL500, SL600, SL65. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10021368","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}