Mercedes-benz M Class U1900 Engine Trouble Code
Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
Mercedes-benz M Class U1900 Code Meaning :
OBD-II Diagnostic Network (U) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Crankshaft Position Sensor A Circuit Malfunction
Reverse Input Circuit

When you check Mercedes-benz M Class car engine light came on code U1900 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the U1900 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U1900 OBD-II Diagnostic Network (U) Trouble Code Description
U1900 engine trouble code is about Reverse Input Circuit.Reason For U1900 Code
The reason of U1900 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U1900 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
U18BF Previous Engine Trouble Code For Mercedes-benz M Class | Next Engine Trouble Code For Mercedes-benz M Class U1901 |