A/T - Shift Interlock Inspection During PDI

89mercedes01

TO: OUR MERCEDES-BENZ PASSENGER CAR DEALERS

DATE: February 1989 (supersedes MBNA 27/13)
REF. NO. MBNA 27/13a
SUBJECT: PRE-DELIVERY INSPECTION FOR VEHICLES WITH AUTOMATIC TRANSMISSION SHIFT INTERLOCK MODEL 124.030


As of January 1989 production, a shift interlock is installed which will prevent the selector lever from being moved out of position "P" without depressing the brake pedal first.

During the pre-delivery inspection, the shift interlock must be checked for proper functioning and any adjustments necessary must be performed at this time.

Effective Serial Number

Model Chassis End Number
Intermittent Phase-In All Vehicles


124.030 A 916 048 - A 923 305 A 923 306

FIGURE 1 - RIGHT SIDE VIEW 61 SAFETY COVER:

Procedure:
1. Try to move the selector lever out of position "P" without depressing the brake pedal. If selector lever cannot be moved, continue with step 13. If lever can be moved enough to shift the transmission out of its parking lock, continue with step 2. If lever can be shifted into all positions, continue with step 4.

2. First ensure that there is no problem with the basic shift linkage adjustment. Check control rod, adjust if necessary (job no. 27-120).

3. Repeat step 1.
4. Remove cover under left side instrument panel.

5. Insert checking pin, 901 589 02 21 00, through holes in retainer and activating lever.

6. Roller (60) must touch the brake pedal but must not exert pressure on it. If necessary, loosen nut (59) and tighten it again to 4.5 N-m torque.

7. Remove checking pin

8. Remove wooden console cover.

9. Place selector lever in position "P".

FIGURE 2:

10. The rocker arm (44) should sit against notch of cam (48). If free play exists, adjust Bowden cable (40). Loosen screw (42), pull Bowden cable (40) in direction of arrow until the rocker arm (44) sits against notch of cam. Torque screw
(42) to 5 N-m. (Figure 2).
11. Repeat step 1.

12. Reinstall wooden console cover and cover under left side instrument panel.


13. Depress brake pedal approximately 15 mm (5/8") or more. The selector lever should now move freely.
Special Tool Information


Quantity Part Name Part Number Group/Category


1 Checking pin 901 589 02 21 00 26/A


In Case of Warranty

Time Allowance

27-0343 Shift Interlock Bowden cable, adjust 0.9 hrs. | 82


Damage Code

27662 07 Bowden cable, shift interlock, broken/snapped
38 Bowden cable, shift interlock, loose (mounting clamp)
51 Bowden cable, shift interlock, incorrect adjustment