renntech S600

heres what the guy who owns it says

This is actually the slow car in our family, but it still manages to get out of its own way thanks to a factory 5.5L twin-turbo V12 and a RENNtech ECU upgrade. It's my daily driver, and I'm often amused by how many other cars I surprise with its speed. Although not exactly stealth with its RENNtech 19" wheels and 15" front brakes, the S still doesn't scream "fast" when you first look at it... but it is:

my most recent visit to Sacramento dragstrip. I also ran a host of 11.6s - the S is very consistent and very fast.

The nicest thing about the modifications I've done to the S -- brakes, wheels, tires, and ECU -- is that they leave the warranty intact and don't fundamentally change the nature of the car. When I'm not on the gas, it's still a big, heavy, comfortable luxury sedan. Then I hit the loud pedal, the turbos spool up to 18 psi, and it just GOES. Here's why:

525 RWHP (or 650 BHP) SAE corrected, pushing 4600 lbs of car, makes for a pretty fast ride once the tires get traction. It'll happily spin the rear 295/35-19 Pilot Sports up through 50 MPH, but with lighter touch on the throttle it hunkers down and catapults forward. When it comes time to stop, 8-piston brembos and 15" cross-drilled front rotors haul it back down from 120 (my usual trap speed) with ease. Luxury, power, reliability... I think I'll keep it

Vehicle Info

Make: Mercedes-Benz

Model: S-Class

Year: 2003

Nickname: S600

Car Setup: street

Sound System Setup: stock

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Bragging Rights

Quarter Mile: 11.59 s @ 120 mph->

0-60: 3.3 s

Est. Horsepower: 650

ride along video

video

S600 vs modified corvette

his other cars a SL65 and his wife drive a modified viper enjoy