I replaced my Failed 1999 ML horns in 2003 with Honda Motorcycle Horns.
I wanted them to still work in another 5 years.

oh, and I used 1985 Honda Nighthawk Horns. 22 years old still going Strong.
For you non Bikers a nighthawk is a motorcycle.

__________________
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