RENNtech R1 Performance Package CLK550
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Product Information
The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for the 550 V8 for a combination that provides increased performance, sound and throttle response across the vehicles entire powerband.
R1 performance package includes:
- RENNtech ECU Upgrade
- Stainless Steel Shorty Headers
CLK 550 (C209) Stock Performance:
- 382 HP / 391 LB-FT
Modified Performance:
- 413 HP / 422 LB-FT
$5,290.00
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