TBT: RENNtech Mercedes SL65 AMG Black Series

RENNtech is the latest tuner to enhance the Mercedes-Benz SL65 AMG Black Series, and the results break the 800 hp barrier

by  Chris Danielson  | 


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A while back, we told you about BRABUS and their work creating the Vanish Mercedes SL65 AMG Black Series – a model that noted a power boost of 130 hp over the factory output and as a result, sat pretty at the 800 hp mark.  Not to be outdone, RENNtech just sent us details of their tuned version of the SL65 AMG Black Series, which takes the already consummate model and boosts output to… wait for it… 805 horsepower.  That’s 5 horsepower more than the BRABUS, allowing those in the RENNtech camp to sit smugly back and gloat in the fact that their tuning package is clearly superior to their competitors.  Making the magic happen is RENNtech’s SL65 Black Series Performance Package 1, which includes ECU/TCU tuning, a dual intercooler pump upgrade and sport mufflers.  Pricing starts at $16,390, while a RENNtech transmission upgrade and limited slip differential are optional extras to compliment the newfound power at your disposal.

Before I start getting hate mail from BRABUS owners, let me make it clear that I wasn’t being serious above.  I’m not recommending RENNtech over BRABUS or vice versa – 800 horsepower or 805 horsepower, both are going to be one hell of a ride, and you really can’t go wrong with anything that’s got 800 plus horses under its hood.  To see more of the RENNtech Mercedes SL65 AMG Black Series, check out more pics in the gallery.


RENNTECH has teamed up with Domani Motors to create a show stopping SL65 AMG Black Series.  Since the release of RENNTECHs Performance Package 1 for the Black Series, it has created quite the buzz within the international tuning market.  Domani Motors hired on RENNTECH to outfit their pearl white Black Series, which now modded produces a staggering 805 HP and 1000 LB-FT of torque at the crank.

RENNTECH’S performance Package 1  for the Black Series includes ECU/TCU tuning, Dual Intercooler Pump Upgrade, and RENNTECH Sport Exhaust.  This particular vehicle was also equipped with a Transmission Upgrade and 100% Locking Rear Differential from RENNTECH.  The RENNtech differential is based on OS Giken’s line of Super-Lock LSD which functions as a traditional open differential in low and normal-load situations, transforming smoothly and gradually up to 100% full lock as loads rise. The Super-Lock LSDs clutch packs make the unit incredibly quiet and smooth, without the kind of chatter usually associated with limited-slip cars.

RENNTECH SL65 Black Series Performance Package 1

Lake Park, FL, April 20, 2010

RENNTECH has officially taken the already potent V12 Bi-Turbo Black Series to another dimension of the supercar stratosphere.

RENNTECH’s been hard at work creating the most powerful yet drivable product innovations on the market for the SL65 Black Series. The objective of this performance package is to deliver substantial power improvements with minimal modifications made to the vehicle.

RENNTECH’s SL65 Black Series Performance Package 1 includes ECU/TCU tuning, Dual Intercooler Pump Upgrade, and Sport Mufflers. These additions create an astonishing 805 HP and 1000 LB-FT of torque at the crank! Package pricing starts at 16390 USD for the SL65 Black Series. We also highly recommend our Transmission Upgrade and Limited Slip Differential to compliment the RENNTECH Black Series Package. Learn more about this amazing performance package as well as other RENNTECH products at

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RENNtech Mercedes SL65 AMG Black Series – 10
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