You don't have to remove the harmonic balancer to replace the water pump. Not too bad a job. Be sure to replace with exactly what Mercedes calls for (gasket/pump). Nothing special, just stock.

Stay away from green coolant.

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)