Mercedes (77-91) Sway Bar Link Rear Trailing Arm (x2) FEBI-BILSTEIN Sway Bar Link Rear To Trailing Arm (set of 2) Brand NEW part with full 1 year warranty. Mercedes part# 123 320 09 89, note the vin splits. Recently made by WOCO (OEM), not been lying around. Please see FITMENT CHART below under PRODUCT DESCRIPTION.