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Mercedes-Benz CLS 500 5.4 388Hp - Stage 1 |
Upgrade stages up to 408 Hp for the 5.4 engine found in CLS 500.
Stock engine specs: Capacity: 5461cc Power: 388hp
Stage 1: Engine upgrades: -Stage 1 Software upgrade Engine performance: Power: 408hp
Software upgrades: Use of 95/100 octane fuel is mandatory.
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