MERCEDES BENZ E CLASS('92-'95) fault codes

Fault code	Fault location
1	Left hand front solenoid valve.
2	Right hand front solenoid valve.
3	Rear solenoid valve.
4	Rear solenoid valve.
5	Left hand front wheel speed sensor.
6	Right hand front wheel speed sensor.
7	Rear wheel speed sensor.
8	Rear wheel speed sensor.
9	The pump motor or relay.
10	The system relay.