SLK won't change gear - what's the fault? | Ask Honest John

SLK won't change gear - what's the fault?

My wife's Mercedes-Benz SLK 230 occasionally refuses to change up into 4th gear and yet the next time it is used it works fine. Any ideas what's wrong?

Asked on 9 June 2015 by

Answered by Honest John

Lazy servo valves in the valve block, or may be that the transmission oil needs changing.

Tags: technical issues gearboxes

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