C 230 (203.052) V6-2.5L (272.920) (2007)
2. Follow DAS path "Control units/ Drive/ ME 9.7/ Complete list of guided tests/ Catalyst efficiency" (Figure 1) and on-screen instructions.
Note:
During this step DAS will check the software release of the engine control module.
3. Perform one of the following:
^ If newer software is available: Connect battery charger; Install software, then proceed to step 4.
^ If newer software is not available: DAS will automatically proceed to procedure B.
4. Perform SCN/CVN coding of control module.
^ Follow the DAS path "Control unit adaptations/ Variant coding/ SCN coding" and on-screen instructions.
5. Disconnect battery charger and proceed to procedure B.
Procedure B
B. CHECK BOTH CATALYTIC CONVERTERS AND REPLACE AS REQUIRED
1. Check catalytic converters.
^ Follow DAS path "Control units/ Drive/ ME 9.7/ Complete list of guided tests/ Catalyst efficiency" (Figure 1).
Note:
Menu item "Catalyst efficiency" is no longer visible as of DAS release 04/09. Please call SDS Help Desk for instructions to perform this test.