If your scroll to the bottom of the page where it gives the procedure for a 98 E430 with the single piston floating front calipers, that will be the same brake setup as found on the 97 E320. Brakes are very easy and straight-forward on this car.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record