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The early idler gears teeth wear out. As there is no balance shaft on the m273 and it is literally a timing chain idler gear. Why can't this simply be done in situ? Remove the cam covers, remove the the timing chain case cover, undo the tensioner, would this not leave enough room to be able to...

when it comes to coding a module ( not programming.) On my W221 it is very easy to add aux, buy a £25 cable, wire it into the command, drill the glovebox and snap it in the hole. Then it needs 3 minutes on Star to click the enable aux option and click save. Maybe 2 and a half of the 3...

Think I ballsed up my airmatic setu0p on my 06 W221. Wanted to replace the upper control arm so I had to move the strut out of the way. So I released the air from the top and undid the 3 bolts. Removed the upper control balljoint and then lower axle dropped and had space to remove the strut...

Hi everyone, purchased my first ever Mercedes S500! Love it already but I do have some questions with my purchase. 1. On cold there is a jerk going from 2-3 on this 722.9. When warm the transmission operates fine. The car has only done 50K so I intend to change the fluid as I'm extremely...