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mybenz | mysatisfaction Forum Index
   Benz Symptons and Probable Diagnosis
     722.9 7G Transmission Valve Body repair in KL
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Poster Thread
wazirocket
Posted on: 2016/12/28 4:30
Quite a regular
Joined: 2014/1/6
From: Keramat
Posts: 57
Benz Model: w211
Message:
722.9 7G Transmission Valve Body repair in KL
My 2008 W211 has already giving problem on the transmission. The fault code is P-0721 Ouput Speed Sensor Range and when talking to the mechanic the only way to fix the problem is to change the whole transmission!

Is there any shop in KL that can perform repair to the speed sensor, i.e. electronic valve body of the 722.9 7G Tronic transmission? any information on how to go about the error would be great, thanks guys..
nra21
Posted on: 2016/12/30 14:30
Home away from home
Joined: 2011/5/18
From: KL
Posts: 255
Benz Model: E300,E200K,300SE
Message:
Re: 722.9 7G Transmission Valve Body repair in KL
Possible just the speed sensor or wiring problems.

http://mbworld.org/forums/mercedes-tech-talk/489109-ml350-dtc-p0721-output-speed-sensor-circuit-range-performance.html

http://www.engine-
codes.com/p0721.html

https://www.yourmechanic.com/article/p0721-obd-ii-trouble-code-output-speed-sensor-range-performance-by-valerie-johnston

Cuba bawa kereta check merbenz auto mrr2.
Entrance next to new apartment construction side.
The workshop is on the other end.

Happy reading.
wazirocket
Posted on: 2017/1/1 3:12
Quite a regular
Joined: 2014/1/6
From: Keramat
Posts: 57
Benz Model: w211
Message:
Re: 722.9 7G Transmission Valve Body repair in KL
Thanks for the links.

I have checked, most like likely its a sensor problem dan kena tukar the whole computer board. Ebay selling it for $540 but need local programming (search for 722.9 conductor plate). Any good programmer shop around KL who can do the job including installation?

Also I found this workshop in Semenyih that seems can fix the problem

https://www.facebook.com/jksauto2007/?hc_ref=PAGES_TIMELINE&fref=nf
anybody have experienced their service?

One shop in Ampang quoted RM5500 to fix it. Do you think its reasonable?
myv6
Posted on: 2017/1/4 6:57
Home away from home
Joined: 2007/9/21
From: Cheras
Posts: 335
Benz Model: 230E W124
Message:
Re: 722.9 7G Transmission Valve Body repair in KL
Hi wazirocket, for the price quoted, probably you should get a second opinion from other shop. My client at UB Motors Cheras has been sending their cars to M Power workshop at Bandar Tun Razak, they are quite capable at handling conti cars problem. Then buy your own parts from King Hup or Keras Jaya.

roger
Posted on: 2017/1/5 5:41
Home away from home
Joined: 2009/4/19
From: PJ
Posts: 272
Benz Model: W124 230E
Message:
Re: 722.9 7G Transmission Valve Body repair in KL
M Power also got a workshop at ss23 pj. Got their own paintshop sum more there.
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