Not a bad job. I would agree with previous replies...about 5 hours. Most of that is prep and nugging your way through the de-install. I didn't take my fan clutch out nor did I drain my entire cooling system. I bled it a bit and that brough tthe fluid level well below the pump / block entry point.

Be very patient! Take your time. It's just a big puzzle. You will have to get the vbelt, power steering pully and pump out of your way as well as the belt tensioner. I didn't completly remove any of these parts.

Make sure you have a flex shaft extension for your sockets or a few socket joints. Some of the angles are pretty tough. Have a several different lengths of socket extensions handy too. Somtimes a 12" is too long and a 3" isn't long enough. Also, your hex or allen wrenches...you may have a need for one that is very stubby. (Rather than the typical that has a 3 to 4" shaft a 90 degree turn then a 1" shaft after the bend, itis very handy to have one that is less tha 1/2" after the bend. I recall a few close quarters.

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Jeff
'87 300E
'92 400E
'06 ML350