Steering column control module

[bigjimsemps]

Traction control light is permanently on and I have been told the steering column control module has a fault on it and will require replacing with a new one, apparently a used one can’t be reprogrammed for my car? Have been quoted £550 to supply and fit. Car is a 2013 E220 convertible manual.Do I have any alternative but to pay, thanks.

 

[alecmascot]

Is that MB or an indy ?

 

[bigjimsemps]

Is that MB or an indy ?

Indy

 

[markjay]

Are you sure that they are not talking about the Steering Wheel Angle Sensor, which is a common fault on the A207 (W204)?

 

[markjay]

This is the SCM for the W204:

But it's not very common for it to fail.

 

[bigjimsemps]

Mechanic said steering column control module.
It is the A207 model.
if it is the steering wheel angle sensor is this easier/ cheaper to replace?
Would you take it somewhere else, I wasn’t charged for the diagnostic but think his quote is high and how would i know what was actually replaced?
Just for more info the Eco, hill start and cruise control have all been switched off by this fault but car is running fine otherwise.

 

[markjay]

Mechanic said steering column control module.
It is the A207 model.
if it is the steering wheel angle sensor is this easier/ cheaper to replace?
Would you take it somewhere else, I wasn’t charged for the diagnostic but think his quote is high and how would i know what was actually replaced?
Just for more info the Eco, hill start and cruise control have all been switched off by this fault but car is running fine otherwise.

He would have connected the car to STAR for the diagnosis, so ask him for a printout of the fault codes and post them here.

The Steering Wheel Angle Sensor is very easy to replace and requires no coding, new ones are expensive but you can buy second-hand on eBay. That said, it's only applicable of this is indeed the fault.... so it's worth checking what the fault codes were.

 

[bigjimsemps]

Will try taking it somewhere else and get a printout from them, feel a bit cheeky going back to the original guy and asking for them, bit like saying i dont believe what you are telling me.

 

[bigjimsemps]

So now got fault codes (attached)

Code 6304 and 6305 - Steering angle sensor or Steering column tube module control unit - Defect - Permanent.

Apparently on the A207 model this is a combined unit. Cost from Mercedes is £350 just for the unit which needs programming to my car.

Question now is can I buy a used unit and get it reprogrammed for my car?

 

[Stratman]

Given the codes say 'permanent' fault this probably won't work anyway, but it's worth a try because it's easy and best of all free.

Try resetting the steering angle sensor. With the engine running and car in P or N, steadily turn the steering wheel from lock to lock two or three times. That's it.

If the car has had the battery go flat or it's been disconnected, the steering angle sensor can forget where it is in the big wide world and will throw a fault until it gets its bearings back. Give it a go, you've nothing to lose.

 

[bigjimsemps]

Thanks but no joy with that. Would try to fit it myself but obviously cant program it, any idea how long it should take a mechanic to do so i can get and idea of labour costs?

 

[markjay]

Steering Wheel Angel Sensor is a common fault, so it is likely that this is indeed what failed on your car.

Also, your C207 car is actually has the running gear of a W204, but I must admit that I don't know if the Steering Wheel Angle Sensor and the Steering Wheel Control Module are incorporated into one unit on this model.

Definitely on my previous W203 the Steering Wheel Angel Sensor was a straight swap, no reprogramming required. I bought a second hand unit off eBay for ~£120, and was charged half-hour labour by the specialist who fitted it for me. Basically it's a simple steering wheel off and back on job (though the new unit needs to be physically aligned and tested with STAR), but no coding was required. See also:

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