Mercedes Benz C 43 AMG Technical Service Bulletin # LI42-45_P-0488522 Date: 100210
ABS/TCS - ESP/BAS Warning and Service Light ON/DTC's Set
ESP/BAS indicator lamp and ESP warning lamp light up
Topic number LI42.45-P-048852
Version 2
Design group 42.45 Electronic Stability Program (ESP), Stability Control (SR)
Date 02-10-2010
Validity Model series 129, 170, 202, 208, 210, 215, 220
Reason for change AF document deleted!
Reason for block
Complaint:
The ESP/BAS indicator lamp and ESP warning lamp light up The messages "ESP - Service Required" and "BAS - Service Required" are displayed
on the multifunction display.
Note:
In the ESP control unit, the code
- C1200-009 and/or,
- C1201-003 and/or,
- C1202-001,
may be stored.
Cause:
A: Signal comparison between release switch (LS) and brake light switch (BLS) implausible.
B: Power supply of brake light switch interrupted.
Remedy:
If the test steps stored in DAS do not eliminate the problem, proceed as follows:
Re. A:
1. Remove brake light switch and pull switch plunger out completely.
2. Install brake light switch and position 1.5 mm thick spacer between plunger of brake light switch and brake pedal stop.
3. Release brake pedal and simultaneously pull back brake pedal with slightly increased manual force in addition to return force of return spring.
Brake light switch adjusts itself.
4. Remove spacer when adjustment is completed.
Re. B:
1. Check power supply to brake light switch.
2. Check light module and line to light module.
390
Symptoms
Control unit/fault code
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