VNE 5201711 Headlight Level Sensor - Rear Left

OE Supplier Headlight Level Sensor for Mercedes-Benz

This VNE headlight level sensor is an OE supplier replacement for Mercedes-Benz vehicles that use OE No. A2129052902. It helps maintain proper headlamp aim by relaying suspension position data to the lighting system, supporting consistent beam height on the road.

• Headlight level sensor for OE-style suspension-to-lighting control
• Fits Mercedes-Benz CLS550, CLS400, CLS63 AMG S, E400, E550, E250, E300, E350, E63 AMG S, C350e, C250, C300, C350, C63 AMG, C230, GLK250, and GLK350 applications listed below
• Direct reference to OE No. A2129052902
• VNE part number 5201711
• OE supplier sourcing for factory-style fit and function

Fitment Details

Compatible With Mercedes-Benz models using OE No. A2129052902, including Fits 2012-2018 Mercedes-Benz CLS550, N/A; Fits 2018 Mercedes-Benz CLS63 AMG S, Rear Left; Fits 2015-2017 Mercedes-Benz CLS400, N/A; Fits 2014-2017 Mercedes-Benz CLS63 AMG S, N/A; Fits 2015-2017 Mercedes-Benz E400, N/A; Fits 2010-2017 Mercedes-Benz E550, Rear Left; Fits 2016 Mercedes-Benz C350e, N/A; Fits 2014-2016 Mercedes-Benz E250, Rear Left; Fits 2012-2016 Mercedes-Benz E300, Rear Left; Fits 2014-2016 Mercedes-Benz E350, Rear Left; Fits 2010-2011 Mercedes-Benz E350, Rear Left; Fits 2014-2016 Mercedes-Benz E63 AMG S, Rear Left; Fits 2010-2015 Mercedes-Benz C250, Rear Left; Fits 2008-2015 Mercedes-Benz C350, Rear Left; Fits 2008-2015 Mercedes-Benz C63 AMG, Rear Left; Fits 2010-2015 Mercedes-Benz E63 AMG, Rear Left; Fits 2013-2015 Mercedes-Benz GLK250, Rear Left; Fits 2010-2015 Mercedes-Benz GLK350, Rear Left; Fits 2008-2014 Mercedes-Benz C300, Rear Left; Fits 2012-2014 Mercedes-Benz CLS63 AMG, N/A; Fits 2013-2014 Mercedes-Benz E400, Rear Left; Fits 2012-2013 Mercedes-Benz E350, N/A; Fits 2008-2009 Mercedes-Benz C230, Rear Left.

This part cross-references 2129052902 and A2129052902 for the same application.

What This Sensor Helps Address

• Headlights pointing too high or too low after suspension movement
• Warning lights or leveling system faults tied to the headlamp height sensor
• Uneven beam aim on Mercedes-Benz E-Class, C-Class, CLS-Class, and GLK-Class vehicles
• Loss of automatic headlamp leveling response
• Incorrect lighting output after sensor wear or electrical failure

Installation Notes and Tips

Verify the OE number and rear-left position before ordering, especially on Mercedes-Benz E350, E550, C300, and CLS550 applications. Inspect the linkage, mounting points, and connector condition during replacement, and confirm the sensor arm moves freely after installation. Always compare the original part number and vehicle configuration to the fitment list.

Quality Assurance

VNE identifies this part as an OE supplier component, indicating factory-style application coverage for the listed Mercedes-Benz models. Part number 5201711 is built for vehicles that require OE No. A2129052902.