R134a
it takes r-12 , but it is very hard , if not impossable to get , you will have to converte it to 134a or have someone else do that for you .
R- 134, That's the correct freon for that car.
r 134
horn location Mercedes Benz 2001 ml 320
The 2001 Mercedes-Benz SLK-Class has 16 valves.
The 2001 Mercedes-Benz SL-Class has 24 valves.
The 2001 Mercedes-Benz SL-Class has a V8 engine.
The 2001 Mercedes-Benz E-Class has 18 valves.
The 2001 Mercedes-Benz E-Class has a V6 engine.
The 2001 Mercedes-Benz CL-Class has 24 valves.
The 2001 Mercedes-Benz M-Class has a V6 engine.
The 2001 Mercedes-Benz S-Class has 24 valves.