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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
$828.00 $993.60
$828.00 $993.60
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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 Eng: E500, CLS500, ML500, CL500, S500, G500, GL500, SL500

W212 S212 E500 CGI E550 CGI

  • ORIGINAL: 408BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 504BHP / 834NM TORQUE
W207 E500 E550 CGI
  • ORIGINAL: 408BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 504BHP / 834NM TORQUE

C218 & X218 CLS500 CLS550

  • ORIGINAL: 408BHP / 600NM TORQUE
  • PERFORMANCE INCREASE TO: 504BHP / 734NM TORQUE

R231 SL500 SL550

  • ORIGINAL: 435BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 536BHP / 846NM TORQUE

R231 SL500 SL550

  • ORIGINAL: 455BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 560BHP / 846NM TORQUE

W221 S500 S550

  • ORIGINAL: 435BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 536BHP / 846NM TORQUE

W222 S500 S550

  • ORIGINAL: 455BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 560BHP / 846NM TORQUE

C216 CL500 CL550

  • ORIGINAL: 435BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 536BHP / 846NM TORQUE

C217 S Class Coupe & Cabriolet S500 S550

  • ORIGINAL: 435BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 536BHP / 846NM TORQUE

X166 GL500 GL550

  • ORIGINAL: 455BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 560BHP / 846NM TORQUE

W166 ML500 ML550

  • ORIGINAL: 408BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 600BHP / 734NM TORQUE

W463 G500 G550

  • ORIGINAL: 421BHP / 700NM TORQUE
  • PERFORMANCE INCREASE TO: 610BHP / 735NM TORQUE


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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Next Day Delivery

On orders to UK Mainland destinations*

14 Days Return

Returns within 14 days for an exchange or refund.
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