abs light /speedo

[rollsroyce]

hi i have a 94 c200 auto my abs light has just come on and my speedo has packed up- is this related (fuse) or just a coincidence and where do i start please to put this right - mot due soon -thanks

 

[television]

You have lost a speed signal somewhere,,I do not think that this is OVP relay problems as the speedo would still work. but do check the fuse on top of the OVP relay