Walker Products 245-1123 mass air flow sensor for the 2005-2010 Mercedes-Benz SLK55 AMG V8 5.5L and other vehicles measures the air entering the engine. The ECU uses that reading to help set the air-fuel mix.
- Programmed and tested for fit, form and function before sale
- Custom engineered circuit boards and programming
- Flow characteristics custom tuned for the full flow spectrum
- Calibrations go through 100% production testing and on-vehicle verification
Quick facts
- Part: Walker Products 245-1123 mass air flow sensor
- Fits: 2005-2010 Mercedes-Benz SLK55 AMG V8 5.5L and other vehicles
- Condition: New
A rough idle, hesitation or poor fuel economy can mean the sensor is giving the ECU a wrong air reading. A vacuum leak, a cracked intake duct or a clogged air filter can bring on the same symptoms, so find the cause before you buy a sensor.
Fits
Besides that car, vehicles it fits include the 2003-2009 Mercedes-Benz G55 AMG V8 5.5L and the 2002-2008 Mercedes-Benz G500 V8 5.0L; each takes one sensor. If your Mercedes-Benz isn't named here, look up its year and engine in the Vehicles it fits section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Terminal quantity: 5
- Connector gender: Female
Build and materials
- Type: sensor assembly with housing
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor assembly with its housing. Mounting hardware is not included, so plan on new hardware rather than reusing the old.
Installation notes
- Oils from your hands can damage the sensor, so handle it with care.
- Designed for easy, straightforward installation.
Interchange: 158-1043 · 74-10104 · 64-1785 · 917-862 · 4M-1014 · 19814-M
5S2776 · 221151 · MF21151 · 0280217810 · 138357 · 138957 · 7109 · 1130940048 · A1130940048 · 3MF203 · MA109 · 19814 · SU6059
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
5S2776, 221151, 158-1043, MF21151, 0280217810, 74-10104, 64-1785, 641785, 917-862, 138357, 138957, 7109, 1130940048, A1130940048, 3MF203, 4M-1014, MA109, 19814, 19814-M, SU6059
Frequently Asked Questions
Does the Walker Products 245-1123 fit a 2005-2010 Mercedes-Benz SLK55 AMG V8 5.5L?
Yes. Walker Products 245-1123 fits the 2005-2010 Mercedes-Benz SLK55 AMG V8 5.5L, which takes one sensor. Other cars are in the Vehicles it fits section.
Does this Walker Products mass air flow sensor come with the housing?
Yes. Walker Products 245-1123 is a sensor assembly that includes its housing. Mounting hardware is not included.
How many terminals does this mass air flow sensor connector have?
The connector has 5 terminals and is a female connector.
Could hesitation or a check engine light come from a failing mass air flow sensor?
They can, because a failing sensor may give the ECU a wrong air reading. A shop can test the sensor to confirm.
Does the Walker Products 245-1123 replace the 0280217810 mass air flow sensor number?
Yes. 0280217810 is on the interchange list for Walker Products 245-1123, along with other cross-reference numbers.
