Hard to imagine Mercedes German wires would go bad by 100,000 miles.
Not one but two per Cyl.

Ive never replaced ignition wires on anything because of failure.

But I read lots of posts people replace them. I checked the OHMS on mine and they all read good.

dont know why my engine is missing.

__________________
Steve Danville
what i did myself.
CPS
rear shocks
MAS x 3.
SparkPlugs (twice)
Fuel pump & Filter
Window switch
replaced both failed horns with Honda horns.
Cleaned ERG Tube
Oil changes
Oil consumption Fix
Brake Pads
A/C Recharge
Anti-Freeze change X 2.
Front Shocks. Monroe. $90
Mercedes Warrenty Work:
Harmonic balancer,power steering clamp. Cat converters.Drive Shaft Bearing.s
Replaced Outer Lower Tie Rods and front lower ball joints at 156,000 miles