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Hi There, Would anyone happen to know the MB part number for the coolant temp sensor plug/connector? Located at front of M113 engine by the thermostat housing. Car is a 2003 CLK55 W209 The retaining plastic clip has broken off due to age and engine temp over the years. I am looking to...

Hi There, Would anyone happen to know the MB part number for the coolant temp sensor plug/connector? Located at front of M113 engine by the thermostat housing. The retaining plastic clip has broken off due to age and engine temp over the years. I am looking to replace it but having trouble...

I would probably go for a 2012 onwards version after the head bolts corroding and sheering issue, later amg revised the head bolts.. I also am looking to upgrade from my CLK55 AMG to a C63 but it looks like a mine field. Last thing you need. Symptoms are water loss in the coolant. It's rare but...

If anyone's interested in The fix to this issue. My indie garage which I highly recommend...Keys Bexleyheath speak to Danny. Ok so they cleared the codes via STAR. No difference. Disconnected the battery for a while... No difference. Light sensor still not working thinks it's dark all the...

Hi All, My wife came home last week after a trip in our 2003 CLK55 with a nice little present for me to fix. The dash showed "Light sensor - Visit Workshop" error....great!. I have read all the posts on various forums across the web regarding this error to try and resolve issue. First I...

OK thanks anyway, most basic OBD2 readers will show this info. If there are any other CLK55 W209 owners on this forum would love to know your long term fuel trims on both banks, just to compare. Mine are slightly negative, i have never seen positive on my car. I have no vacuum leaks just seems...

Hi sjmaxwell, would love to know what your long term fuel trims are on your CLK55 both banks as a matter of interest/comparison. are you able to check with an OBD2 reader?

I have a slight misfire, replaced plugs and all HT leads, cylinder 1 and 2 plugs still look fuel fouled, injectors have been sent off to injectortune and have been fully refurbished and sent back with a clean bill of health all balanced. I have been advised my fuel rail pressure is correct...

Hi All, I have been cleaning up my ground wire connectors as part of general maintenance. I have replaced the main battery ground cable and the cable that connects the chassis to the steering pump. I see there are some other ground cables that bolt onto the inner wings and by the fuse box. I...

Superb!! I can't thank you enough Druk. Spent ages with the Merc part guy going round and round the various EPC diagrams to no avail. I love this forum, so many nice helpful knowledgeable people. I will order the part from my Merc dealer. All the best

I had another chat with with my local Merc dealer, he asked the mechanics out the back and they said its known as a heat shield to protect the O2 wires, he is still unable to find the part in the EPC. Any body know this part number? or seen on any other Mercs ?? somebody must know Cheers

The electric motor is housed above the intake impeller and the whole assembly pushes down with the nozzle into the water bottle. I can only think that filling the water bottle reservoir without an anti freeze screen wash during winter months can cause the plastic to expand and crack if it...

Hi All, I am replacing my upstream O2 sensors on my CLK55, I have the Bosch sensors I bought from my local Merc dealer but I am having trouble trying to find a part number for a metal sensor lead guide that clips onto the sensor. The parts dept guy couldn't find it in the EPC and doesn't show...

I noticed my headlight washer squirter's were not working, I hardly ever use them anyway. I checked the forums first and many people said check fuses ETC. All looked good. When pressing the button I did notice a very faint dim to the instrument cluster so assumed the power was good to the...

Marco Grafe

Hi All, I am trying to hunt down a pair of original Xenon Warning Decals that go in the engine bay to warn of high voltage. These are the Red, White and Black Decals with the Part No. A129 817 28 20 and not the new black replacement Decals. I have been advised these are NLA and Mercedes only...

Hi All, I am trying to hunt down a pair of original Xenon Warning Decals that go in the engine bay to warn of high voltage. These are the Red, White and Black Decals with the Part No. A129 817 28 20 and not the new black replacement Decals. Good money paid. See attachment for details All...

Hi All, Does anyone know the correct procedure to to get access to the Poly belt and tensioner?? I had a try yesterday to remove the three bolts holding the fan on the clutch but its so tight I can barely feel the three bolts let alone get a tool in there. Please, any help and advice greatly...

Hi All, Does anyone have any documentation, advice, hints and tips to replace the V poly belt tensioner and idler pulley on a W208 CLK55? I did have a good search on this forum before posting. I spent most of the day looking on various sites and youtube and found some great videos, but...

Hi All, Does anyone have any documentation, advice, hints and tips to replace the V poly belt tensioner and idler pulley on a W208 CLK55? I did have a good search on this forum before posting. I spent most of the day looking on various sites and youtube and found some great videos, but...