2006-2009 Mercedes S550 CL550 CLS550 OEM Left Heated Auto Dim Glass 2218100721

Genuine used OEM Mercedes-Benz left (driver side) heated electrochromatic auto-dimming exterior mirror glass — part number A2218100721 (also written 221 810 07 21).

Condition: Genuine used OEM. May show normal cosmetic wear consistent with age. Not aftermarket or reproduction.

Fitment — US Market:

• Mercedes-Benz S550 (W221): 2007–2009

• Mercedes-Benz S600 (W221): 2007–2009

• Mercedes-Benz S63 AMG (W221): 2007–2009

• Mercedes-Benz S65 AMG (W221): 2007–2009

• Mercedes-Benz CL550 (C216): 2007–2009

• Mercedes-Benz CL600 (C216): 2007–2009

• Mercedes-Benz CL63 AMG (C216): 2008–2009

• Mercedes-Benz CL65 AMG (C216): 2008–2009

Additional application requiring confirmation:

• Mercedes-Benz CLS550 (C219): 2007–2009

Required Equipment:

• Factory electrochromatic / auto-dimming exterior mirror

• Mercedes-Benz option 249 where applicable

• Matching early-style mirror housing and backing plate

Features:

• Left / Driver side

• Heated

• Auto-dimming / electrochromatic

• Flat mirror glass

• Factory backing plate

Identification:

• OEM number: A2218100721

• Molded electrochromatic marking: 221 810 07 21 PL EC

• Additional molded marking: ZB 455 113 PL EC

Notes:

• Genuine Mercedes-Benz mirror glass only, not the complete mirror assembly.

• Standard non-auto-dimming variant: A2218100321.

• Electrochromatic glass is not interchangeable with standard heated glass without confirming electrical compatibility.

• Verify mirror shape, mounting plate and electrical connections before purchase.

• Later facelift mirror designs may differ.