Hi everyone need help on w124 cluster

[erjon]

I am going for an engine swap from 220e m111 to 3.2 m112k from w203 c32 amg
my only issue is that I want to keep my old instrument cluster as I want to keep it original on inside but the gearbox Gona be from w203 which doesn’t come with speedo wire
Can anyone advise me on how to convert the cluster to run on a m112k ECU
Kind regards

 

[carat 3.6]

I am going for an engine swap from 220e m111 to 3.2 m112k from w203 c32 amg
my only issue is that I want to keep my old instrument cluster as I want to keep it original on inside but the gearbox Gona be from w203 which doesn’t come with speedo wire
Can anyone advise me on how to convert the cluster to run on a m112k ECU
Kind regards

There is no reliable way to make the W124 speedo work properly, use the electric speedo from the w126 and drive it from the ABS.