Mercedes' new twin-turbocharged 5.5-litre V8 will replace the 6.2-litre non-turbo unit in the new Mercedes E63 AMG.
Offered as standard with a 518bhp/516lbft output, there’s an optional AMG Performance Pack that boost power up to 550bhp and shaves a tenth off the already-quick 4.4sec 0-62mph.
See official pics of the Merc E63 AMG
This packaged also unlocks the speed limiter to boost the max speed up to 186mph from 155mph.
Sales start this autumn in the US, with Europe following soon after.
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