Modified Frame Spring On Orthopedic Backrests (91/35)

Publication date: 1986-04-01
Reference number: 91/35

MODIFIED FRAME SPRING ON ORTHOPEDIC BACKRESTS

TECHNICAL SERVICE BULLETIN

Reference Number(s): 91/35, Date of Issue: April, 1986

MODIFIED FRONT SEAT BACKREST FRAME SPRING - ADDITIONAL SPRING MODIFICATION-ORTHOPEDIC BACKRESTS ONLY (MODEL 126)

Model(s): 1981-83 Mercedes-Benz 380SEL

1981-85 Mercedes-Benz 300SD

1982-83 Mercedes-Benz 380SEC

1984-85 Mercedes-Benz 380SE/500SEC/500SEL

1986 Mercedes-Benz 300SDL/420SEL/560SEC/560SEL

Section: Accessories

Bulletin No.: 91/35

Date: April, 1986

SERVICE INFORMATION

As of model year 1984, due to the introduction of the lower front seats with memory function, a modified spring has been installed in the center of the spring core of the backrest frame.

When ordering a backrest frame as a replacement, only the modified version is available. The modified version may be installed in vehicles prior to model year 1984.

NOTE: Only for vehicles built prior to model year 1984 and equipped with orthopedic backrests, the following back rest frame modification must be performed.

Cut the center spring in the middle (arrow) as shown in Fig 1 and Fig 2 .

Fig 1: Location to Cut Spring (Models 126.03 and 120)

Fig 2: Location to Cut Spring (Models 126.04)
Proceed by bending the new ends of the spring and fastening them to the vertical springs with one clamp each, part no. 123 914 03 53 (see Fig 3 and Fig 4 , arrows).

NOTE: This modification will assure trouble-free operation of the orthopedic padding on models equipped with orthopedic back- rests.

Fig 3: Spring Connection (Model 126.03/120)

Fig 4: Spring Connection (Model 126.04)

PARTS INFORMATION

Part Description	Part Number	Model
Backrest frame with spring core	126 91 0 46 34	136.03/120
Backrest frame with spring core	126 91 0 45 34	126.04
Clamps (two per backrest)	123 914 03 53	All