I just did one on my 300E 2.6 last week.

I was suprised how easy it was. The only thing you need try to do is put the bottom hose on before sliding the new one in. I did not and still managed to tighten the connector up using a small spanner. I also replaced all hoses at the same time, used MB antifreeze and Dextron III for the transmission top up.

I have a procedure from the Haynes 124 manual if you need it. Let me know and I will scan it in and email it to you.

I got all parts from Fastlane and paid for the overnight delivery. Excellent service.

Mike

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1990 124, 300E 2.6 (daughter)
2004 Cayenne S, Fabspeed Cat Bypass, BMC Racing Filter
2000 Lexus RX 300 (Wife)
Retired 1999 ML430