Removal and installation of ABS control unit - RA42001240708X(42-0708)

Operation no. of operation texts and work units or standard texts and flat rates: 42-8251

Model 124 (except 124.034), 129.060/061/066, 201, 202

Fig 1: Identifying ABS Control Unit Components - Model 124

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Ignition	OFF .
Clip (22)	unsnap and extract plug from ABS control unit. When reinserting the plug in the ABS control unit (N30), ensure that it snaps into place audibly.
Model 202 Bolts	remove, install.
ABS control unit (N30)	remove from bracket, reinstall. remove from bracket, reinstall.
Model 124, 129, 201 Test program	perform (42-0720/Chassis Diagnosis Manual, Volume 2).
Model 202 Fault memory	read out, then erase (Chassis Diagnosis Manual, Volume 2).

NOTE: Phased in as of 04/86 the ABS control units are enclosed in a plastic housing instead of an aluminum housing. The control units are interchangeable.

On vehicles with ABS, which are also fitted with the ASD, ASR or 4MATIC systems, the system related control unit is valid in each case.

Model 124.034, 129.058/063, 140

Fig 2: Identifying ABS Control Unit Components - Model 124.034, 129.058/063, 140 (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying ABS Control Unit Components - Model 124.034, 129.058/063, 140 (2 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Ignition	OFF .
Module box cover (F23)	detach, refit.
Control unit (N30)	extract/press on with special tool 140 589 01 33 00.
Fault memory	read out, then erase (Chassis Diagnosis Manual, Volume 2).

Special tool

Fig 4: Identifying Special Tool (140 589 01 33 00 07)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.