Originally Posted by SLK32Germany
Hi Scott,
the pump above is the one, AMG in Affalterbach/Germany installed on my SLK32, when they deleted my Speed-Limiter. They said it is necessary to avoid Lean-Issues, if you drive faster than 250 Km/h (155 Mph) for a longer time.
With that hefty of a pump you should never have any more lean issues.