Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Campaign - Replacement Of Drive Authorization System Control Module (2000010005)
Reference number: 2000010005
CAMPAIGN - REPLACEMENT OF DRIVE AUTHORIZATION SYSTEM CONTROL MODULE
SERVICE CAMPAIGN BULLETIN
| MERCEDES-BENZ: | MODEL 163.154/172/174, MODEL YEAR 2000 |
| GROUP: | GROUP 00 OF SERVICE INFORMATION BINDER |
| GROUP: | I OF INFORMATION - PARTS & ACCESSORIES BINDER |
SUBJECT
REPLACEMENT OF DRIVE AUTHORIZATION SYSTEM (DAS) CONTROL MODULE (N73/1)
SERVICE INFORMATION
To ensure client satisfaction, it is recommended that each retailer please contact clients of affected vehicles and arrange for this campaign to be performed as soon as possible. There are only 636 affected vehicles, VMI MUST be checked before performing campaign to determine if vehicle is affected. Refer below for the replacement Procedure for the DAS control module (N73/1).
CONDITION
An intermittent "no start" condition (engine cranks briefly) may occur due to poor contact at terminal 13 of the DAS control module (N73/1). Diagnostic trouble codes (DTC's) which may be present, and the control modules where they are stored, are listed below (VMI MUST be checked before replacing DAS control module):
| DTC's | Control modules |
|---|---|
| B1326/B1793/B1703 | DAS (N73/1) |
| B1099 | EAM (N10/1) |
| P1570 | ME-SFI (N3/10) |
PROCEDURE
- The drive authorization system (DAS) control module (N73/1) is housed within the extended activity module (EAM [N10/1]).
- The DAS control module (N73/1) may also be referenced as drive authorization module (DAM) in the Star Diagnosis system.
- Ensure ignition switch is in position "0" (OFF).
- Remove left under dash panel.
- Unclip extended activity module (EAM [N10/1]) retaining latch (1, Fig 1 ).
- Pull downward on EAM (2, Fig 1 ) until the DAS control module locking tabs (3, Fig 2 ) are accessible.
- Insert radio removal tools (4, Fig 2 ) under DAS control module locking tabs (3).
- Press inward on ring end of radio removal tools simultaneously to release locking tabs and then pull DAS control module (5, Fig 2
) free from the EAM (2).CAUTION: Do not spread locking tabs excessively, or breakage may result.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.