Waking up your beast with a cls63 stage 1
If you've ever felt like your Mercedes is holding back, a cls63 stage 1 tune is basically the quickest way to unlock what that biturbo V8 is actually capable of. We all know the CLS63 AMG is a monster right out of the box. Whether you're rocking the older 6.2L naturally aspirated engine or the more common 5.5L biturbo M157, these cars were built to eat highway miles and look incredibly sleek while doing it. But the reality is that Mercedes left a massive amount of performance on the table. They have to account for poor fuel quality in some countries, various emissions regulations, and the need to make sure the car survives owners who might neglect their maintenance. ...