This is a Mirror Glass Replacement and built to quality control standards. you clear view in the rain or fog by this mirror glass with heated function Blue tinting mirror, anti-dazzling, improve safety in driving at night. seamed edges for safe handling. Direct replacement for your ones. Does not have the auto-dimming function. Specifications Glass Type: Wide Angle / Aspherical Placement on Vehicle: Left Side Functions: Heated Type: Power Operation Part Number: Left:A2028100721 Diagonal Size: 19.5cm / 7.67 inch( diagonal dimension from top corner to opposing bottom corner). Size: 17.5 x 11cm / 6.88 inch x4.33 inch(L*W) Fit for:For W202 W210 W140 1994-2000 C220 1994-1996 C230 1997-2000 C280 1994-1996 CL500 1998-1999 CL600 1998-1999 C36 1995-1997 E300 1996-1999 E320 1996-1999 E420 1997 E430 1998-1999 S320 1996-1999 S420 1996-1999 S500 1996-1999 S600 1996-1999 SL320 1997 SL500 1997-1998 SL600 1997-1998 Installation Steps: 1. Use a crowbar to pry the old glass together with the plate; 2. Unplug the pins which connect the old glass; 3. Put the pins into the new glass; 4. Put the plate align with the steering gear, and press it on the center. Colour:blue Material:Glass+ABS Package Contents: 1 * Mirror Glass(Left ) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.