Universal Air EX529509C A/C Expansion Valve

Brand	Universal Air EX529509C
Product line	Block Expansion Valve
Fits	Mercedes-Benz · 98 vehicles

Expansion valve. Regulates refrigerant flow for efficient A/C performance.

Block-style design. Compact form factor for HVAC flow control.

$29.36Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all A/C Expansion Valve options

Mercedes-Benz A/C Expansion Valve

Universal Air Block Expansion Valve EX529509C is an HVAC A/C flow restrictor for Mercedes-Benz applications that use a block-style expansion valve. It is listed for a wide range of Mercedes-Benz C-Class, E-Class, CLS-Class, GLK-Class, GLC300, and SLS AMG models.

Key Features

Block expansion valve for automotive air conditioning systems
Fits Mercedes-Benz applications across multiple model lines
Supports refrigerant metering at the evaporator circuit
Part number EX529509C for identification and ordering
Universal Air Block Expansion Valve line

Product Details

The Universal Air EX529509C is an A/C expansion valve used in Mercedes-Benz HVAC systems to regulate refrigerant flow through the evaporator. This block expansion valve application covers 2002 through 2018 model years, including Mercedes-Benz C230, C280, C300, C350, C63 AMG, E250, E350, E400, E500, E550, E63 AMG, CLS400, CLS550, CLS63 AMG, GLK350, GLC300, and SLS AMG. If you are searching for a Mercedes-Benz C350 A/C expansion valve, Mercedes-Benz E350 block expansion valve, or EX529509C replacement, this part number matches the listed applications.

What It Helps Address

Inconsistent cabin cooling performance
Improper refrigerant metering at the evaporator
A/C system restriction related to a worn expansion valve
Temperature fluctuations from a failing HVAC flow control component

Installation Notes

Verify the vehicle’s original valve style and match the listed Mercedes-Benz fitment before installation. Confirm the HVAC system is properly evacuated and recharged after service, and inspect related seals, lines, and the evaporator circuit for contamination or leaks. Fits 2015-2018 Mercedes-Benz CLS400, N/A; Fits 2012-2018 Mercedes-Benz CLS550, N/A; Fits 2014-2017 Mercedes-Benz CLS63 AMG S, N/A; Fits 2013-2017 Mercedes-Benz E400, N/A; Fits 2010-2017 Mercedes-Benz E550, N/A; Fits 2016 Mercedes-Benz GLC300, N/A; Fits 2010-2015 Mercedes-Benz C250, N/A; Fits 2008-2015 Mercedes-Benz C350, N/A; Fits 2008-2015 Mercedes-Benz C63 AMG, N/A; Fits 2014-2015 Mercedes-Benz E250, N/A; Fits 2010-2015 Mercedes-Benz E350, N/A; Fits 2010-2015 Mercedes-Benz E63 AMG, N/A; Fits 2009-2015 Mercedes-Benz GLK350, N/A; Fits 2011-2015 Mercedes-Benz SLS AMG, N/A; Fits 2008-2014 Mercedes-Benz C300, N/A; Fits 2013-2014 Mercedes-Benz CLS63 AMG, N/A; Fits 2010-2011 Mercedes-Benz E500, N/A; Fits 2006-2009 Mercedes-Benz C230, N/A; Fits 2002 Mercedes-Benz C230, N/A; Fits 2008-2009 Mercedes-Benz C280, N/A.

Quality Assurance

Universal Air Block Expansion Valve EX529509C is cataloged for the listed Mercedes-Benz applications and identified by the EX529509C part number for accurate replacement matching.

This part fits 98 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	# Doors	Drive Type	Liters	Cylinders	Position	Notes
2018	Mercedes-Benz	CLS400	—	—	—	—	—	N/A	Block Expansion Valve
2018	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2017	Mercedes-Benz	CLS400	—	—	—	—	—	N/A	Block Expansion Valve
2017	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2017	Mercedes-Benz	CLS63 AMG S	—	—	—	—	—	N/A	Block Expansion Valve
2017	Mercedes-Benz	E400	—	—	—	—	—	N/A	Block Expansion Valve
2017	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	CLS400	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	CLS63 AMG S	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	E400	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2016	Mercedes-Benz	GLC300	Base	—	RWD	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	CLS400	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	CLS63 AMG S	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	E250	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	E400	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2015	Mercedes-Benz	SLS AMG	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	C300	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	CLS63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	CLS63 AMG S	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	E250	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	E400	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2014	Mercedes-Benz	SLS AMG	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	C300	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	CLS63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	E400	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2013	Mercedes-Benz	SLS AMG	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	C300	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	C63 AMG	Black Series	2 Door	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	C63 AMG	Base	2 Door	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	CLS550	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2012	Mercedes-Benz	SLS AMG	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	C300	—	—	—	3.0L	V6	N/A	Block Expansion Valve
2011	Mercedes-Benz	C300	—	—	—	3.5L	V6	N/A	Block Expansion Valve
2011	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	E500	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2011	Mercedes-Benz	SLS AMG	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	C250	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	C300	—	—	—	3.0L	V6	N/A	Block Expansion Valve
2010	Mercedes-Benz	C300	—	—	—	3.5L	V6	N/A	Block Expansion Valve
2010	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	E350	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	E500	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	E550	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	E63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2010	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	C230	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	C280	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	C300	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2009	Mercedes-Benz	GLK350	—	—	—	—	—	N/A	Block Expansion Valve
2008	Mercedes-Benz	C230	—	—	—	—	—	N/A	Block Expansion Valve
2008	Mercedes-Benz	C280	—	—	—	—	—	N/A	Block Expansion Valve
2008	Mercedes-Benz	C300	—	—	—	—	—	N/A	Block Expansion Valve
2008	Mercedes-Benz	C350	—	—	—	—	—	N/A	Block Expansion Valve
2008	Mercedes-Benz	C63 AMG	—	—	—	—	—	N/A	Block Expansion Valve
2007	Mercedes-Benz	C230	—	—	—	—	—	N/A	Block Expansion Valve
2006	Mercedes-Benz	C230	—	—	—	—	—	N/A	Block Expansion Valve
2002	Mercedes-Benz	C230	—	—	—	—	—	N/A	Block Expansion Valve
No rows match your filter.