Electronic Stability Program control unit, component description - GF42.45-P-5119CW

MODEL 204.0/2 up to Model Year 8

Illustrated on model 204.0

Fig 1: Identifying Electronic Stability Program Control Unit Component - Shown On Model 204.0

Courtesy of MERCEDES-BENZ USA

Location

The Electronic Stability Program control unit is located in the left front of the engine compartment.

Task

The Electronic Stability Program control unit contains the control for the following systems:

Start-off assist
Antilock brake system (ABS)
Acceleration Slip Regulation (ASR)
Brake Assist (BAS)
Electronic brake force distribution (EBV)
Electronic Stability Program (ESP)
Electronic Traction System (ETS)
Engine braking regulation control (MSR)
Limiter (not and not )
Speed-sensitive power steering (SPS [PML]) (with code (213) speed-sensitive power steering)
Tire pressure loss warning
PRE-SAFE (with code (299) PRE-SAFE)
Cruise control
Trailer stabilization (with code (550) Trailer hitch)

Discrete inputs

Circuit 30
Circuit 31
Stop lamp switch (S9/1)
Left front axle rpm sensor (L6/1)
Right front axle rpm sensor (L6/2)
Left rear axle rpm sensor (L6/3)
Right rear axle rpm sensor (L6/4)

Discrete outputs

Stop lamp actuation via rear SAM control unit with fuse and relay module (N10/2)
Speed-sensitive power steering solenoid valve (Y10) (with code (213) speed-sensitive power steering)
Power steering pump pressure regulator valve (Y10/1) (on engine 271)

Voltage supply

Yaw rate, lateral and longitudinal acceleration sensor (B24/15)

CAN signals

The Electronic Stability Program control unit is a subscriber on the chassis CAN and vehicle dynamics CAN. The yaw rate, lateral and longitudinal acceleration sensor is read in via the vehicle dynamics CAN.