Mercedes E 200 B3420 Engine Trouble Code

Mercedes E 200 B3420 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Mercedes E 200 B3420 Code Meaning :

When you check Mercedes E 200 car engine light came on code B3420 the reason should be . However manufacturer may have a different definition for the B3420 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B3420 OBD-II Diagnostic Body (B) Trouble Code Description

B3420 engine trouble code is about Reverse Input Circuit.

Reason For B3420 Code

The reason of B3420 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3420 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.

B3419 Previous Engine Trouble Code For Mercedes E 200

Next Engine Trouble Code For Mercedes E 200 B3421