Mercedes (03-06 CL/S-class) Turn Signal Lamp in Door mirror LEFT Turn Signal Light In Mirror Housing LEFT/Driver side Please see FITMENT CHART below, under PRODUCT DESCRIPTION. Mercedes part# 220 820 05 21, note the vin splits. Genuine Mercedes part, recently made: not been lying around. PLEASE NOTE the chassis splits. See Models Chart BELOW. Not sure about your car? email us your VIN to confirm.