| GLK 200 CDI BlueEFFICIENCY (143 Hp) | SUV | Diesel | OM 651.916 | 5 | 2010–2011 | |
| GLK 200 CDI BlueEFFICIENCY (143 Hp) 7G-TRONIC | SUV | Diesel | OM 651.916 | 5 | 2010–2011 | |
| GLK 200 CDI BlueEFFICIENCY (143 Hp) 7G-TRONIC PLUS | SUV | Diesel | OM 651.916 | 5 | 2011–2012 | |
| GLK 200 CDI BlueEFFICIENCY (143 Hp) Start & Stop | SUV | Diesel | OM 651.916 | 5 | 2011–2012 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) | SUV | Diesel | OM 651.916 | 5 | 2009–2011 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) 4MATIC 7G-TRONIC | SUV | Diesel | OM 651.912 | 5 | 2008–2011 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) 4MATIC 7G-TRONIC PLUS | SUV | Diesel | OM 651.912 | 5 | 2011–2012 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) 7G-TRONIC | SUV | Diesel | OM 651.916 | 5 | 2009–2011 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) 7G-TRONIC PLUS | SUV | Diesel | OM 651.916 | 5 | 2011–2012 | |
| GLK 220 CDI BlueEFFICIENCY (170 Hp) Start & Stop | SUV | Diesel | OM 651.916 | 5 | 2011–2012 | |
| GLK 250 CDI BlueEFFICIENCY (204 Hp) 4MATIC 7G-TRONIC | SUV | Diesel | OM 651.912 | 5 | 2009–2011 | |
| GLK 250 CDI BlueEFFICIENCY (204 Hp) 4MATIC 7G-TRONIC PLUS | SUV | Diesel | OM 651.912 | 5 | 2011–2012 | |
| GLK 280 V6 (231 Hp) 4MATIC 7G-TRONIC | SUV | Petrol (Gasoline) | M 272.948 | 5 | 2008–2009 | |
| GLK 300 V6 (231 Hp) 4MATIC 7G-TRONIC | SUV | Petrol (Gasoline) | M 272.948 | 5 | 2009–2011 | |
| GLK 320 CDI V6 (224 Hp) 4MATIC 7G-TRONIC | SUV | Diesel | OM 642.961 | 5 | 2008–2009 | |
| GLK 350 BlueEFFICIENCY V6 (306 Hp) 4MATIC 7G-TRONIC PLUS | SUV | Petrol (Gasoline) | M 276.957 | 5 | 2011–2012 | |
| GLK 350 CDI V6 (224 Hp) 4MATIC 7G-TRONIC | SUV | Diesel | OM 642.961 | 5 | 2009–2010 | |
| GLK 350 CDI V6 (231 Hp) 4MATIC 7G-TRONIC | SUV | Diesel | OM 642.832 | 5 | 2010–2012 | |
| GLK 350 V6 (272 Hp) 4MATIC 7G-TRONIC | SUV | Petrol (Gasoline) | M 272.971 | 5 | 2008–2011 | |