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Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine
Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine
Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine
Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine
Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine

Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine

Regular price
$872.95 $872.95
$872.95 $872.95

Product Spec
Part Number: RC-ULT-CO-278-500CGI

Racechip Ultimate E500 E550 CLS500 CLS550 ML500 ML550 GL500 G500 G550 S500 S550 CL500 SL500 SL550 M278 4.6 BiTurbo Engine

Racechip Ultimate with Smartphone Connect.

M278 4.6 BiTurbo Engine

E500, CLS500, ML500, CL500, S500, G500, GL500, SL500

Performance enhancement for your:

Model BHP STANDARD TORQUE STANDARD (NM) BHP TUNED TORQUE TUNED (NM)
W212 S212 E500 CGI E550 CGI 408 700 504 834
W207 E500 E550 CGI 408 700 504 834
C218 & X218 CLS500 CLS550 408 600 504 734
R231 SL500 SL550 435 700 536 846
R231 SL500 SL550 455 700 560 846
W221 S500 S550 435 700 536 846
W222 S500 S550 455 700 560 846
C216 CL500 CL550 435 700 536 846
C217 S Class Coupe & Cabriolet S500 S550 435 700 536 846
X166 GL500 GL550 455 700 560 846
W166 ML500 ML550 408 600 504 734
W463 G500 G550 421 610 510 735


Your car can do more. More power, higher torque, supreme drive and more powerful acceleration. RaceChip reveals the full potential of your car.

  • New ARM Cortex III High-End Processor
  • Performance increase individually adjustable
  • High-quality FCI-Automotive-plug
  • Glass fibre reinforced casing
  • Easy do-it-yourself installation without special knowledge
  • No engine management fault codes after installation
  • Simple removal as and when required for main dealer service/ repair
  • 2 Year Guarantee

The Smartphone Connect Feature by RaceChip offers the following:

  • Choose between 3 driving modes from your smartphone and the RaceChip app
  • Performance improvement tailored to your needs
  • Automatic updates of the optimisation software
  • Even easier on the engine with the warm-up timer

The Ultimate Connect controls the power increase, you control the Ultimate Connect: 
The RaceChip app enables you to easily choose between 3 driving modes at any time Efficiency, Sport and Race.

Why? Because the driving pleasure lies in diversity, from riding safely to enjoying your engines limits.

Kindly provide your vehicle chassis/ VIN number when placing an order.

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Worldwide Shipping

Express delivery available

14 Days Return

Returns within 14 days for an exchange or refund.
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