modify software instrument cluster / quage
 

Hi,
So, i have CLS 219, and change engine 350 - > 5.5 amg m113.
Now i have problem with my instrument cluster (speedometer show wrong speed).
I decided buy instrument cluster from w209 AMG and install in my car, and it works but i have 2 messages
1. Active Light system display malfunction (i do not have active light system?)
2. Turn signal, front left Back-up bulb on! (all bulb is ok)
I wonder if it can be fixed? change/modify soft? Maybe somebody know who make help me with this cluster?

Try the W211 forum. All the same parts, and a lot more knowledge over there.