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
P0017
Powertrain
The bank 1 exhaust cam signal doesn't line up with the crankshaft; think chain, exhaust phaser…
Moderate
P0170
Powertrain
Bank 1 fuel correction is far outside its normal window, lean or rich, and the ECU won't say…
Moderate
P0016
Powertrain
The bank 1 intake cam and the crankshaft are out of step, most often from a stretched or jumped…
High
U0101
Network
The engine computer and other modules stopped hearing from the transmission control module.
High
P0010
Powertrain
The PCM found an electrical fault in the intake cam phaser solenoid circuit on bank 1, not…
Low