friend of mine is selling his sat nav system. its originally from a honda crv but hes had it fitted in his clk for a while. its a double din (same size as command) unit and is made by alpine. its dvd based so has whole of europe on one disk,comes with gps antenna and 2003 nav dvd,all wiring and wiring diagrams. basically as simple as a stereo to fit just power and speakers plus the additional speed pulse and reverse wire. full voice announcements in choice of languages. the front is the screen (6.5"tft)which folds down to reveal the dvd nav slot and separate cd slot.also has rds tuner. it retails as an option with the current crv for £1600 ,he wants £500 for it.if anybody is interested ill take a picture of it and upload it.