Hi I have a set of these, the part nos are
A1714011402 7 1/2Jx17 ET37
A2034014602 8 1/2Jx17 ET34
have a look at ebay for pictures, mine are in good order with used legal tyres, no cracks or leaks through rims, they are from CLK sport genuine AMG, sample photo of rims, I have more if interested
I would check live data and other codes before buying new sensor as it could be air fuel mixture, air leaks on intake, exhaust leaks etc
see this link for an explanation P0426 Catalyst Temperature Sensor Circuit Range Performance (Bank 1, Sensor 1)
What about the cable from parking brake pedal to rear fulcrum is that nice and free?
What about the switch on the pedal is that in place properly, here is a link to a diagram of all the linkages W203 C180 Parking brake stuck on
I would just start at the pedal and find what is binding etc, It's...
Just done a google for w211 eis and this came up Mercedes W211 W219 W209 EIS pin out
This is another google for OBD port connections where you could probe for can high and low Mercedes OBD II diagnostic connector pinout diagram @ pinoutguide.com
Here is another link for info on CAN system The...
Before you go too far buying bits watch this video on you tube it's for a E500 but I believe it's all common wiring or very similar. It's a bit long winded but he does do a good job! It all boiled down to a corroded fuse blade on the fuse that feeds the ECU with 12 volts Fuse F42 inside the...