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.
2003 Mercedes Benz SLK230 AutomaticFACTORY OEM SERVICE PROCEDURE
Entertainment System DTCS
DIAGNOSTIC TROUBLE CODE LIST
| DTC | Description |
|---|---|
| MODEL 129 as of 1.6.98, 168 as of 1.9.98, 170, 202, 208, 210 as of 1.6.98, 215, 220 | |
| N1111 | Digital data bus (D2B) diagnosis, fault memory |
| N1112 | Digital data bus (D2B) diagnosis, fault memory |
| N1113 | Digital data bus (D2B) diagnosis, fault memory |
| N1114 | Digital data bus (D2B) diagnosis, fault memory |
| N1115 | Digital data bus (D2B) diagnosis, fault memory |
| N1116 | Digital data bus (D2B) diagnosis, fault memory |
| N1117 | Digital data bus (D2B) diagnosis, fault memory |
| N1118 | Digital data bus (D2B) diagnosis, fault memory |
| N1141 | Digital data bus (D2B) diagnosis, fault memory |
| MODEL 129, 170, 202, 208, 210 as of 1.6.98 with digital data bus (D2B) | |
| B1000 | Radio (RD) diagnosis fault memory |
| B1010 | Radio (RD) diagnosis fault memory |
| B1110 | Radio (RD) diagnosis fault memory |
| B1057 | Radio (RD) diagnosis fault memory |
| B1047 | Radio (RD) diagnosis fault memory |
| B1088 | Radio (RD) diagnosis fault memory |
| B1761 | Radio (RD) diagnosis fault memory |
| B1764 | Radio (RD) diagnosis fault memory |
| B17686 | Radio (RD) diagnosis fault memory |
| B1782 | Radio (RD) diagnosis fault memory |
| N1111 | Radio (RD) diagnosis fault memory |
| N1112 | Radio (RD) diagnosis fault memory |
| N1113 | Radio (RD) diagnosis fault memory |
| N1114 | Radio (RD) diagnosis fault memory |
| N1115 | Radio (RD) diagnosis fault memory |
| N1116 | Radio (RD) diagnosis fault memory |
| N1130 | Radio (RD) diagnosis fault memory |
| N1131 | Radio (RD) diagnosis fault memory |
| N1132 | Radio (RD) diagnosis fault memory |
| N1133 | Radio (RD) diagnosis fault memory |
| N1134 | Radio (RD) diagnosis fault memory |
| N1135 | Radio (RD) diagnosis fault memory |
| N1140 | Radio (RD) diagnosis fault memory |
| N1141 | Radio (RD) diagnosis fault memory |
| N1142 | Radio (RD) diagnosis fault memory |
| N1143 | Radio (RD) diagnosis fault memory |
| N1144 | Radio (RD) diagnosis fault memory |
| N1145 | Radio (RD) diagnosis fault memory |
| N1146 | Radio (RD) diagnosis fault memory |
| MODELS 163,168,170, 208, 210 with CODE (353) Audio 30 APS | |
| B1000 | Audio 30 APS diagnosis, DTC memory |
| B1010 | Audio 30 APS diagnosis, DTC memory |
| B1011 | Audio 30 APS diagnosis, DTC memory |
| B1088 | Audio 30 APS diagnosis, DTC memory |
| B1734 | Audio 30 APS diagnosis, DTC memory |
| B1738 | Audio 30 APS diagnosis, DTC memory |
| B1763 | Audio 30 APS diagnosis, DTC memory |
| B1765 | Audio 30 APS diagnosis, DTC memory |
| N1111 | Audio 30 APS diagnosis, DTC memory |
| N1112 | Audio 30 APS diagnosis, DTC memory |
| N1113 | Audio 30 APS diagnosis, DTC memory |
| N1114 | Audio 30 APS diagnosis, DTC memory |
| 1115 | Audio 30 APS diagnosis, DTC memory |
| N1116 | Audio 30 APS diagnosis, DTC memory |
| N1117 | Audio 30 APS diagnosis, DTC memory |
| N1118 | Audio 30 APS diagnosis, DTC memory |
| N1140 | Audio 30 APS diagnosis, DTC memory |
| N1141 | Audio 30 APS diagnosis, DTC memory |
| N1250 | Audio 30 APS diagnosis, DTC memory |
| N1251 | Audio 30 APS diagnosis, DTC memory |
| N1252 | Audio 30 APS diagnosis, DTC memory |
| N1253 | Audio 30 APS diagnosis, DTC memory |
| N1254 | Audio 30 APS diagnosis, DTC memory |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
