GT63 GT55
#2
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2019 C63CS
No part. The numbers are simply historical and the larger the number the more powerful the car is, but it doesn't directly correspond to displacement or whatever as it did in the past. Numbers in car names haven't meant anything for a long time. Even the M156 engine was technically 6.2 liter and not 6.3 liter.
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sevenhead (09-05-2023)