This car is valued at $45,000 when it first came out. Treat it like you own one at that price. Slap a $10 chip on it and you will pay big-time in repairs! I mean BIG!

Renntech / Powerchip / Evosport / Startech / Brabus are reliable Mercedes tuners that carries ECU performance chips. Will cost you around $ 400 - $800 bucks!