1. This is a DIY smart remote key with a 433.92MHz frequency and an integrated chip.
2. The key includes a key housing, key blade, circuit board, integrated chip, and battery; it is a complete remote key.
3. Before use, you will need to program the key and have the key blade cut at an automotive locksmith.
4. If your key has a different frequency or chip type, please do not purchase.
5. Material: Metal + Plastic.
6. Signal: FSK, Chip: NEC Chip
7. Compatible with Mercedes-Benz A E S G CLK SLK ML Class 2000+, A-Class (W169) 2004-2010, B-Class (W245) 2005-2010, C-Class (W203) 2003-2007, C-Class (W204) 2007-2009, CL-Class (W215) 2001-2006, CL-Class (W216) 2005-2009, CLK-Class (W208) 2001-2002, CLK-Class (W209) 2003-2008, CLS-Class (W219) 2004-2009, E-Class (W210) 2001-2002, E-Class (W211) 2002-2007, E-Class (W212) 2009-2010, G-Class (W463) 2002-2009, GL-Class (X164) 2006-2009, M-Class (W164) 2005-2009, R-Class (W251) 2005-2009, S-Class (W220) 2001-2005, S-Class (W221) 2005-2009, SL-Class (R230) 2001-2009, SLK-Class (R171) 2004-2009, Sprinter (W906) 2005-2009, Viano (W639) 2004-2009, Vito (W639) 2004-2009