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I need the aircon wiring diagram please, to find out why the aircon isn't blowing cold. I've yet to go underneath to see if the compressor clutch is engaging, but if it doesn't it would be good to know where to check for volts. I've spent hours on the internet without success. Thanks Michael

Electric fan, not the viscous type. I want to replace the auxiliary drive belt, belt tensioner, and guide pulley, but all the videos are for ML's with the viscous fan. I think the electric fan and shroud will need to be removed to give enough access to these parts. I have found one...

Our club is looking for a Colour Laser Printer and could do with some recommendations. We print a 8 page colour magazine 4 times a year for about 50 members, ie about 400 sides, plus smaller runs of general material. What we hate most about our current Inkjet is that it has to be...

Free (you pay the postage £2.80) 2003 W168 A-Class 1600cc Gearbox ECU A033 545 00 32 Faulty, not the "F" fault, but the no "N/R/D" display fault, only 1st, 2nd, reverse available. No electro-valves Someone might have a use for it?

Just replaced a second glowplug at 47K miles, the first one went in June at 44K miles, so it looks like they are coming to the end of their life, and I can expect more to go soon. I've been lucky, the first to go was number 3 which is the easiest to access, number 4 has just gone and I had to...

The ESP BAS light came on in my 2005 W163 ML 270CDI towards the end of a long journey. From memory of similar threads I was fearful of it locking the gear selector and going into limp mode if I stopped or switched off. The next day I re-read the threads and decided to change the Brake Light...

Noticed that the glowplug light on the instrument panel hadn't gone out after the engine had started. First off dabbed a wire from the battery positive in turn to the tip of each plug. Found one that didn't give a spark. Measured that one with my multimeter and found it was open circuit, luckily...

Did the EGR bypass about 6 months ago and can report that this has been successful, apart from one issue. My ML is driven fairly gently around the local country roads, and the turbo can be heard faintly in the background. If I give it some sustained wellie, like to pass a slow bus on a steep...

My A160 tailgate has suffered from sundry rattles that I have been sorting. All that remains is the adjustment of the catch. According to WIS the dimension "A" should be 24-26mm. My car's catch does not look like the WIS image and the equivalent dimension is 40mm. Would someone please supply me...

I recently carried out the EGR disable on my 2005 W163 ML270 CDI (44K miles). I noticed that the boost hose from the EGR valve was not fully home in the EGR. I released the horseshoe spring clip and pushed the pipe home, but a few days later it was half out again. I took the hose out of the EGR...

A file on my EPC installation DVDs is unreadable. I've managed to install WIS but the EPC installation stumbles on this file. Can anyone supply me this file please? I'm willing to pay for posting to me on a CD (it's only 397MB), if you haven't got dropbox or similar. It's on EPC Disk 3 of 3...

I get the impression that although my recently installed Carsoft 7.4 is working fine, the CIS (Carsoft Information System) doesn't seem to be working, although the installation of CIS went okay. I do a single diagnosis and get error codes and a brief description Next I go to the Help tab at the...

I've just bought an IBM Thinkpad T23 laptop to connect via Carsoft 7.4 to a MB Multiplexer for diagnostic work. However it doesn't have an IBM User Guide, either in hard copy or on the hard drive. So I googled and found plenty of sites with the Maintenance Guide, and plenty that said User Guide...

I have just bought a 2001 A160 Auto. Both key sets include small dongles that I think are to do with the factory fitted alarm system. I guess that they slot into a socket somewhere on the car, but where or why I know not. Can anyone help please? Michael

The 722.7 auto gearbox on my A160 has gone into limp mode and I'm thinking of having the valve body repaired. Can anyone advise me of an OBD2 diagnostic unit, either hand-held or PC laptop based, that will read the deeper mercedes fault codes such as P1887 to P1889, or show equivalent codes? I...

I find that when I'm driving down narrow country lanes that the (correctly adjusted) dipped beams do not give enough reach to make judging the gap between an oncoming car and the ditch a pleasant experience! Any ideas guys? The main beams are fine.

W163 ML 2.7CDI auto 2005 34,000 miles I've read the "How-To" on changing the automatic gearbox ATF, and made a dipstick from 3mm diameter stranded steel garage door cable. I've found it quite hard to push the cable past the constriction near the gearbox end of the dipstick tube. Tried...

Hi I'm thinking of retrofitting a Comand 2.0 to my W163 ML. I've not seen a Comand in action, so the best I could do was to read a downloaded manual. Does this Comand do 3D map view? In any case does the low-down screen position mean that in practice only the voice comands are useable? Is the...

As previously posted, I have a 2005 ML 270 CDI (W163) with Audio 10 and 6-CD player, and option 386 listed on the door frame. I have looked through the excellent Mercupgrades site but can't match the phone console in the attached images to any they cover. There are two cabled boxes under the...

Hi all I have just bought a 2005 ML 270 CDI (W163) with Audio 10 and 6-CD player, and option 386 listed on the door frame. It came fitted with a Nokia CK-7W BlueTooth kit which works fine with a Nokia 3110 phone. There is a mic by the rearview mirror, a tiny combined push button and volume...