Mercedes C Class - 203 (2005 - 2007) warning lights: check engine light on
Is the check engine light or another amber warning light on in your Mercedes C Class - 203 (2005 - 2007)? This page lists supported warning lights (engine, ABS) and shows how to read and clear fault codes with the klavkarr OBD2 diagnostic scanner. Investigate the fault before a garage visit or a vehicle inspection.
Engine
Transmission
AWD Transmission
ABS
ESP Electronic Stability Program
Airbag
Engine
Transmission
AWD Transmission
Technical specifications for your Mercedes C Class - 203 (2005 - 2007)
Mercedes engine versions tested by our customers. The scanner may still support fault code reading and clearing if your version is not listed; check its compatibility before purchase.
| Engine | Year | Fuel type | Power | Recommended scanner |
|---|---|---|---|---|
| 200 CDIProtocol: ISO 9141 | 2002 | Diesel | 85 | View scanners Mercedes C Class - 203 |
| 2.2Protocol: KWP FAST | 2001 | Gasoline | 105 | |
| C180 1.8Protocol: KWP FAST |
2000 | Gasoline | 109 | |
| C200 2.0Protocol: KWP FAST |
2004 2006 2007 |
Diesel | 115 | |
| C200 2.2 CDIProtocol: ISO 9141 |
2001 2002 |
Diesel | 116 | |
| C200 CDIProtocol: KWP FAST |
2003 2004 2005 |
Diesel | 122 | |
| C300 2.2Protocol: KWP FAST |
2004 | Diesel | 122 | |
| C220 2.3Protocol: ISO 9141 |
2000 | Diesel | 125 | |
| C180 2.0Protocol: KWP FAST |
2001 | Gasoline | 127 | |
| C220 2.1 CDIProtocol: ISO 9141 |
2000 2001 2002 2003 |
Diesel | 143 | |
| 1.7 C180 KompressorProtocol: KWP FAST |
2005 | 143 | ||
| C220 2.2 cdiProtocol: ISO 9141 |
2004 2005 2007 |
Diesel | 150 | |
| C240 2.4Protocol: ISO 9141 |
2003 | Gasoline | 170 | |
| C270 2.7 CDIProtocol: ISO 9141 |
2002 2003 |
Diesel | 170 | |
| C270 2.7 CDIProtocol: ISO 9141 |
2001 | Diesel | 177 | |
| C270 2.7 CDIProtocol: KWP FAST |
2003 | Diesel | 177 | |
| C320 V6Protocol: KWP FAST |
2001 2004 |
Gasoline | 218 | |
| C280 3.0Protocol: CAN 11bit 500kb |
2006 | Gasoline | 225 | |
| C320 3.0 V6Protocol: CAN 11bit 500kb |
2006 2007 2008 |
Diesel | 227 | |
| C32 AMG 3.2 kompressorProtocol: KWP FAST |
2002 2004 |
Gasoline | 354 |
Frequently asked questions about C Class - 203 warning lights
AdBlue, oil service, ABS and the check engine light, explained.
Why does the ABS warning light stay on?
It usually indicates an anti-lock braking system fault: a faulty wheel speed sensor, damaged ABS encoder ring, broken wiring or a problem with the hydraulic unit. Electronic diagnostics identify the code stored by the ABS control unit, helping you target further checks and repairs.
Why is the check engine light on?
It indicates a potential engine or emission-control problem, ranging from a minor fault to a more serious malfunction. A diagnostic scan with a klavkarr scanner for Mercedes C Class - 203 helps you investigate the cause before deciding what to do.
What exactly is an engine fault?
It can range from a minor issue to a serious malfunction that affects petrol or diesel engine performance or, in the worst case, causes permanent damage.
What should you do if a warning light comes on in your Mercedes C Class - 203?
If an engine, airbag, ABS, ESP or other warning light comes on, act cautiously and follow your vehicle handbook. A compatible diagnostic scanner can read the stored fault information and help you investigate the cause.
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