How to Add Navigation to a Mercedes
1. Push the suction cup, supplied with the GPS device, against the windshield where you want to mount the unit. Flick the suction cup's lever to secure it against the windshield.
2. Locate the ball of the suction cup and push the GPS unit's cradle onto it.
3. Insert one end of the unit's power cable into the GPS unit. Insert the other end into the power outlet on your Mercedes.
4. Push the bottom of the GPS unit into the cradle and tilt the top until it clicks into place.
5. Start your Mercedes vehicle. The GPS unit will automatically acquire the signal and is ready to use.