Mercedes-Benz OBD Codes: Meaning & Fixes
Mercedes-Benz: 26 error codes with meaning, severity, likely causes and repair cost estimates.
20Codes
2.8Average severity
10%High or critical
10%DIY-friendly
Severity distribution
Generic codes with Mercedes-Benz data
Field data · Mercedes-Benz
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.
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P0171
Powertrain
The engine computer is adding the maximum extra fuel it's allowed on bank 1 and still sees…
Moderate
P0340
Powertrain
The computer lost the camshaft signal on bank 1. Expect long cranking, less power…
Moderate
P0456
Powertrain
The EVAP system has a tiny leak, about 0.020 inch — the hardest EVAP leak to find, and often…
Minor
P0010
Powertrain
The PCM found an electrical fault in the intake cam phaser solenoid circuit on bank 1, not…
Low
P0016
Powertrain
The bank 1 intake cam and the crankshaft are out of step, most often from a stretched or jumped…
High
P0017
Powertrain
The bank 1 exhaust cam signal doesn't line up with the crankshaft; think chain, exhaust phaser…
Moderate