Mercedes-Benz ML320. Manual - part 40

side air bag module electrical connectors. Remove driver-side air bag module. See Fig. 2 . 

3. To install, reverse removal procedure. Tighten driver-side air bag module bolts to specification. See 

TORQUE SPECIFICATIONS . Activate air bag system. Read diagnostic codes and erase memory. See 
DIAGNOSTICS .  

Fig. 2: Identifying Driver-side Air Bag Module 
Courtesy of MERCEDES-BENZ OF NORTH AMERICA. 

EMERGENCY TENSIONING RETRACTOR (ETR)

 

2004 Mercedes-Benz ML350 

2004 ACCESSORIES/SAFETY EQUIPMENT Mercedes-Benz - Air Bag Restraint Systems

  

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Removal & Installation (Front) 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See 

DISABLING & ACTIVATING AIR BAG SYSTEM .  

2. Move appropriate front seat fully forward. Remove lower trim panel from outer edge of seat cushion 

frame. Remove bolt from seat belt end fitting. Remove end fitting from seat cushion. Remove B-pillar 
trim panel. Remove bolt from belt height adjuster. Disconnect ETR electrical connector. Remove ETR 
bolts. Remove ETR.  

3. To install, reverse removal procedure. Tighten ETR, seat belt end fitting and belt height adjuster bolts to 

specification. See TORQUE SPECIFICATIONS . Activate air bag system. Read diagnostic codes and 
erase memory. See DIAGNOSTICS .  

Removal & Installation (Outer Rear) 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See 

DISABLING & ACTIVATING AIR BAG SYSTEM .  

2. Remove appropriate C-pillar trim panel. Remove bolt from upper seat belt guide bracket. Disconnect 

ETR connector. Remove bolts from ETR. Remove ETR.  

3. To install, reverse removal procedure. Tighten ETR bolts and upper seat belt guide bracket bolt to 

specification. See TORQUE SPECIFICATIONS . Activate air bag system Read diagnostic codes and 
erase memory. See DIAGNOSTICS .  

HEAD IMPACT AIR BAG MODULE (OUTER REAR) 

Removal & Installation 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See 

DISABLING & ACTIVATING AIR BAG SYSTEM .  

2. Remove headliner. See HEADLINER . Disconnect appropriate head impact air bag module electrical 

connector. Remove screws from rear bracket. Remove screws from front and center brackets. Using 
Wedge (115-589-03-59-00), remove head impact air bag module from bracket. Remove head impact air 
bag module.  

3. To install, reverse removal procedure. Activate air bag system. Read diagnostic codes and erase memory. 

See DIAGNOSTICS .  

HEADLINER 

Removal & Installation 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Remove edge trim from sliding/pop-up 

roof. Remove front door seals from A- and B-pillars.  

2. Remove A-pillar trim panels. Remove front folding handle. Remove sun visors and mounting clips. 

Remove upper B-pillar trim panels. Remove cargo net holding point covers. Remove load compartment 
handles.  

3. Remove coat hooks. Remove C-pillar trim panels. Remove upper screws from D-pillar trim panels. 

Detach rear headliner at roof. Lower headliner until it is supported on front seats. Lower front seat backs 
rearward until sufficient access to head impact air bag modules is available.  

 

2004 Mercedes-Benz ML350 

2004 ACCESSORIES/SAFETY EQUIPMENT Mercedes-Benz - Air Bag Restraint Systems

  

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4. To install, reverse removal procedure. Activate air bag system. Read diagnostic codes and erase memory. 

See DIAGNOSTICS .  

INSTRUMENT PANEL 

Removal & Installation 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See 

DISABLING & ACTIVATING AIR BAG SYSTEM .  

2. Remove glove box. See Fig. 3 . Remove center trim plate. Remove control head. Remove lower section 

of instrument panel. Remove A-pillar trim panels. Using Wedge (115-589-03-59-00), remove upper air 
outlet panel. Remove screws from upper section of instrument panel. Remove instrument panel cluster. 
Disconnect sun sensor electrical connector. Remove Parktronic display. Disconnect air distribution flap 
actuator motor connector.  

3. Disconnect temperature sensor electrical connector. Remove screws from center of instrument panel. 

Remove screws from sides of instrument panel. Remove instrument panel.  

4. To install, reverse removal procedure. Activate air bag system. 

 

2004 Mercedes-Benz ML350 

2004 ACCESSORIES/SAFETY EQUIPMENT Mercedes-Benz - Air Bag Restraint Systems

  

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Fig. 3: Identifying Instrument Panel Components 
Courtesy of MERCEDES-BENZ OF NORTH AMERICA. 

PASSENGER-SIDE AIR BAG MODULE 

Removal & Installation 

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See 

DISABLING & ACTIVATING AIR BAG SYSTEM .  

2. Remove instrument panel. See INSTRUMENT PANEL . Disconnect passenger-side air bag module 

electrical connectors. Remove passenger-side air bag module nuts. Remove passenger-side air bag 
module. See Fig. 4 .  

3. To install, reverse removal procedure. Tighten passenger-side air bag module nuts to specification. See 

TORQUE SPECIFICATIONS . Activate air bag system. Read diagnostic codes and erase memory. See 
DIAGNOSTICS .  

 

2004 Mercedes-Benz ML350 

2004 ACCESSORIES/SAFETY EQUIPMENT Mercedes-Benz - Air Bag Restraint Systems

  

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