Mercedes Benz GLA Fault Codes
You can find common Mercedes Benz GLA fault codes on this page that when clicked take you to a detailed description.
You can also type in the fault code you are getting below to find a more detailed description.
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Mercedes Benz GLA Recalls
When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.
You can check to see if your Mercedes Benz GLA has any recall notices on our sister site AutoRecalls.co, sorted by model year.View Mercedes Benz GLA Recalls »
Common GLA Fault Codes
These are the most common GLA fault codes that people are searching for.
Crankshaft Position Camshaft Position Correlation Bank 1 Sensor BLearn More Fixes
Crankshaft Position Camshaft Position Correlation Bank 1 Sensor ALearn More Fixes
System Too Lean (Bank 1)Learn More Fixes
Catalyst System Efficiency Below Threshold (Bank 1)Learn More Fixes
System Too Rich (Bank 1)Learn More Fixes
System Too Rich (Bank 2)Learn More Fixes
Transmission Range Sensor Circuit Malfunction (PRNDL Input)Learn More Fixes
Fuel Trim Malfunction (Bank 1)Learn More Fixes
Exhaust Gas Recirculation Flow MalfunctionLearn More
Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance ProblemLearn More Fixes
Engine Coolant Temperature Circuit Range/Performance ProblemLearn More
Misfire Detected with Low FuelLearn More
Secondary Air Injection System MalfunctionLearn More
Fuel Volume Regulator Control Circuit HighLearn More
Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)Learn More
Thermostat Heater Control Circuit HighLearn More
Pressure Control Solenoid B ElectricalLearn More Fixes
Hydraulic Pump Relay Circuit Range/PerformanceLearn More
Contr. Module LockedLearn More
Key Line VoltageLearn More
Calibration Resistor Out Of RangeLearn More
Manifold Absolute Pressure/Barometric Pressure Circuit MalfunctionLearn More
Mass or Volume Air flow Circuit MalfunctionLearn More Fixes
Intake Manifold Runner Control Stuck Closed Bank 1Learn More
System Gross Leak Evaporative EmissionLearn More Fixes
Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)Learn More Fixes
Diesel Particulate Filter Restriction - Soot AccumulationLearn More
Incorrect Gear RatioLearn More
Random/Multiple Cylinder Misfire DetectedLearn More Fixes
Hydraulic Base Brake FailureLearn More
ABS Acceleration Switch Circuit FailureLearn More
ABS Outlet Valve Coil RF Circuit FailureLearn More
ABS Hydraulic Valve Circuit FailureLearn More
PRNDL Switch Circuit FailureLearn More
Turbo / Super Charger UnderboostLearn More Fixes
Lost Communication With Instrument Panel Cluster (IPC) Control ModuleLearn More Fixes
Lost Communication With Anti-Lock Brake System (ABS) Control ModuleLearn More
Control Module Communication Bus "A" OffLearn More Fixes
Lost Communication With Glow Plug Control ModuleLearn More Fixes
Lost Communication with TCMLearn More
Intake Manifold Runner Control (Stuck Closed)Learn More
Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To GroundLearn More
4X4 Initialization FailureLearn More
PSP Switch Out of Self Test RangeLearn More
Transmission Transfer Case Contact Plate 'D' Circuit FailureLearn More
Transmission Transfer Case Shift Motor Short Circuit To BatteryLearn More
Transmission Automatic 4-Wheel Drive Indicator (Lamp) Circuit FailureLearn More
Transmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit FailureLearn More
DPFE Sensor Upstream Hose Off Or PluggedLearn More
EGR Flow Out Of Self Test RangeLearn More
Dual Alternator Upper FaultLearn More
Pump Speed Signal FaultLearn More
Inductive Signature Chip Communication ErrorLearn More
DPFE Circuit Low InputLearn More
Fuel Tank Pressure Relief Valve MalfunctionLearn More
GLOW PLUG FAILURELearn More
Traction Control Output Circuit MalfunctionLearn More
Ignition Coil C Primary Circuit MalfunctionLearn More
Intake Camshaft Position Actuator Circuit / Open (Bank 1)Learn More Fixes
Intake Camshaft Position Timing - Over-Advanced (Bank 1)Learn More Fixes
Intake Camshaft Position Timing - Over-Retarded (Bank 1)Learn More Fixes
Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)Learn More Fixes
Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)Learn More Fixes
Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2Learn More Fixes
Mass or Volume Air Flow Circuit Low Voltage InputLearn More Fixes
Intake Air Temperature Circuit High InputLearn More Fixes
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)Learn More Fixes
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)Learn More Fixes
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)Learn More Fixes
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)Learn More Fixes
O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)Learn More Fixes
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)Learn More Fixes
Cylinder 1 Misfire DetectedLearn More Fixes
Cylinder 2 Misfire DetectedLearn More Fixes
Cylinder 3 Misfire DetectedLearn More Fixes
- Manufacturer: Mercedes Benz
About the GLA
The GLA is a premium subcompact crossover SUV built and produced by the German automaker, Mercedes-Benz.
Spanning two generations, the GLA was launched in 2013 and is currently the smallest in the lineup of SUVs for Mercedes.
First models were unveiled at the ‘Auto Shanghai’ (an international motor show held once every two years) and had a 2-liter petrol engine coupled with a 7-speed automatic engine with an all-wheel driving system called Mercedes ‘4Matic’ system.
The same year, Mercedes launched the concept vehicle, Concept HLA 45 AMG, a high-performance variant.
First production models began talking orders in November 2013 and were constructed upon the Mercedes-Benz MFA Platform, a platform shared with the S-Class, C-Class, CLS-Class, E-Class, GLC-Class and Mercedes-Maybach S-Class.
2017 saw a new facelift with changes made to the front grille, bumpers and wheels. The original bi-xenon lights were exchanged for LED units and just two years later, the car was given a complete makeover for its second (and latest) generation.
A much taller vehicle, the new GLAs allowed for more space and headroom for rear passengers with the GLA 250 e plug-in hybrid model announced and sold the same year.
Some usual error codes are as follows:
- P0017 – This code can be shown for numerous reasons and relates to the crankshaft position, a mechanic should be consulted.
- P0016 – The crankshaft position on bank 1 is wrong when based on the intake camshaft sensor.
- P0171 – A fault code showing either too little fuel or too much oxygen relating to the fuel system on the first bank of the engine.
- P0420 – A poor catalyst system efficiency. This could mean that oxygen levels are under the required threshold.
- P0172 – Showing there might be too much fuel in the air-fuel mixture.