Backup Camera for Car, Waterproof Rear-View License Plate Car Rear Reverse Parking Camera for Mercedes Benz M-Class W164 W163

This is a nice little unit. That being said, two minor issues: 1) I had to replace the first one after about two months since it fogged over. The seller replaced it promptly and didn't require a return. Great service! Duds happen, but the seller made it right. That's what ensures customer satisfaction. 2) the mounting plate needs to be a few mills thicker as the top of the view is clouded by the visor over the mounting point. Not a biggie as it doesn't affect being able to see where you're going, but it keeps the product from being perfect. That being said, I'd still recommend this to a friend.