LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seats, Restraint Systems -- Basic Knowledge -- S-Class (221) >> Basic Knowledge >> Overview of PRE-SAFE system components - GF91.40-P-9997LE
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Overview of PRE-SAFE system components - GF91.40-P-9997LE

MODEL 216.3, 221.0 /1 as of model year 2009 /YoM 08 

  Component description for instrument cluster A1
Model 216.3, model 221 (except 221.095/195)
GF54.30-P-6000LE
Model 221.095/195 GF54.30-P-6000LEH
  Component description for front reversible emergency tensioning retractor A76, A76/1
Model 221
GF91.40-P-4020LE 
  DTR controller unit, component description On model 216 up to 31.8.10 with engine 156, 273, 275 and code (233) DISTRONIC PLUS Model 221 up to 31.8.10 with engine 156, 272, 273, 275, 642, 629 and code (233) DISTRONIC PLUS GF30.30-P-3210LE
On model 216 as of 1.6.09 up to 31.8.10 with engine 156, 273, 275 and code (233) Distronic Plus GF30.30-P-3210LEB
Model 221 as of 1.6.09 up to 31.8.10 with engine 156, 272, 273, 275, 642, 629 and code (233) Distronic Plus On model 216.3 as of 1.9.10 With code (233) DISTRONIC PLUS Model 221 (except 221.095/195) as of 1.9.10 with code (233) DISTRONIC PLUS or GF30.30-P-3210LED
  Component description for restraint systems control unit N2/7 GF91.60-P-4048LE 
  Component description for rear SAM control unit with fuse and relay module N10/2 GF54.21-P-6030LE
  Rear seats control unit, component description N25/6
Model 221 with code (223) Rear bench seat with electrically adjustable outer seats with PRE-SAFE positioning function for outer seats and outer head restraints
GF91.29-P-5250LE 
  Component description for regenerative braking system control unit N30/6
On model 221.095/195
GF42.22-P-1100LEH
  Right front seat control unit, component description N32/2 GF91.29-P-5240LE 
  Multicontour seat control unit (MCS), component description N32/15, N32/16
With code (409) Left/right multicontour seats
GF91.25-P-5201LE 
N32/20, N32/21
Model 221 with code (406) Rear multicontour seat
GF91.25-P-5201LEA 
  Dynamic seat control unit, component description N32/19, N32/22
On model 221 up to 31.5.09 with code (432) Left and right dynamic multicontour seat, on model 216 with code (432) Left and right dynamic multicontour seat
GF91.25-P-5202LE 
  Component description for ESP control unit N47-5
Model 216.3, model 221 (except 221.095/195)
GF42.45-P-5118LE
  Component description for radar sensors control unit N62/1
Up to 31.8.10 with code (233) DISTRONIC PLUS
GF30.30-P-3301LE
  Video and radar sensor system control unit, component description N62/2
As of 1.9.10
with code (233) DISTRONIC PLUS,
with code (238) Active Lane Keeping Assist
GF30.30-P-3304LE
  Component description for left door control unit N69/1
Model 216
GF72.29-P-4124LA
  Component description for left front door control unit N69/1
Model 221
GF72.29-P-4141LE
  Component description for right door control unit N69/2
Model 216
GF72.29-P-4128LA
  Component description for right front door control unit N69/2
Model 221
GF72.29-P-4142LE
  Rear door control unit, component description N69/3, N69/4
Model 221
GF72.29-P-6020LE
  Component description for overhead control panel control unit N70 GF82.20-P-5216LE
  Upper control panel control unit, component description N72/1 GF54.21-P-6040LE
  EZS control unit, component description N73 GF80.57-P-6003LE
  Component description for central gateway control unit N93 GF54.21-P-4170LE
  Component description for Weight Sensing System (WSS) control unit N110
Model 216 with code (494) USA version,
Model 221 with code (494) USA version As of 1.9.08
GF91.60-P-4069LAU 
  Table of contents for PRE-SAFE function description   GF91.40-P-0997LE