New coolant expansion tank, also known as a water bottle or radiator overflow bottle to fit your Mercedes-Benz S420 W140 Model Years: 1996-1999 Engine Code/s: M119-971. Beta expansion tanks are economical aftermarket replacement parts for your vehicle. You will need to re-use your original radiator cap, as this is not supplied with the bottle. We do recommend purchasing a new radiator cap when replacing your expansion tank

What's in the box
1 x Expansion Tank