How much refrigerant does a Mercedes-Benz E Class A/C system hold?

The 2017 Mercedes-Benz E Class (4 Cyl. 2.0 Eng. E300) holds 22.4 oz of R-134a as a complete system charge. That is the amount for an empty, evacuated system, not for a top-off.

Can I put R-134a in a car that uses R-1234yf?

No. The two use different service fittings on purpose and different oils. Charging the wrong refrigerant can damage the compressor and is illegal in the US under EPA rules.

Can I recharge the A/C myself?

A DIY can with a gauge can top off a slightly low R-134a system. If the system is empty it has a leak, and adding refrigerant without fixing it wastes the can. A full charge needs the system evacuated and weighed in, which is a shop job.

Mercedes-Benz E Class A/C refrigerant type and capacity

GarageDex's A/C data shows the 2017 Mercedes-Benz E Class (4 Cyl. 2.0 Eng. E300) uses 22.4 oz of R-134a refrigerant with PAG-46 compressor oil.

Shop R-134a Match the type on your under-hood decal

Key takeaways

2017 Mercedes-Benz E Class: 22.4 oz of R-134a, PAG-46 oil, see the under-hood decal for the rest.
The charge is a full-system amount; a top-off adds far less.
Do not mix refrigerant types or oils.
A system that is empty has a leak - fix it before charging.

Mercedes-Benz E Class A/C refrigerant and oil by year
Years	Engine	Refrigerant	Charge	Compressor oil
2017	4 Cyl. 2.0 Eng. E300	R-134a	22.4 oz	PAG-46
2017	6 Cyl. 3.0 Eng. E400	R-134a	22.4 oz	PAG-46
2017	6 Cyl. 3.0 Eng. E43 AMG	R-134a	22.4 oz	PAG-46
2017	8 Cyl. 4.6 Eng. E550	R-134a	21.6 oz	PAG-46
2016	4 Cyl. 2.1 Eng. E250; Diesel	R-134a	21.6 oz	PAG-46 4 oz
2016	6 Cyl. 3.0 Eng. E400	R-134a	21.6 oz	PAG-46 4 oz
2016	6 Cyl. 3.5 Eng. E350	R-134a	21.6 oz	PAG-46 4 oz
2016	8 Cyl. 4.6 Eng. E550	R-134a	21.6 oz	PAG-46 4 oz
2014	6 Cyl. 3.5 Eng.	R-134a	22.4 oz	PAG-46
2014	8 Cyl. 4.6 Eng.	R-134a	20.8 oz	PAG-46 4 oz
2013	4 Cyl. 1.8 Eng.	R-134a	22.4 oz	PAG-46 4 oz
2013	6 Cyl. 3.0 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2013	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2013	8 Cyl. 4.6 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2013	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2012	6 Cyl. 3.0 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2012	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2012	8 Cyl. 4.6 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2012	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2011	6 Cyl. 3.0 Eng.	Decal	See decal	PAG-46
2011	6 Cyl. 3.5 Eng.	R-134a	19 oz	PAG-46 4.06 oz
2011	8 Cyl. 5.5 Eng.	R-134a	19 oz	PAG-46 4.06 oz
2011	8 Cyl. 6.3 Eng.	R-134a	33 oz	PAG-46 4.06 oz
2010	6 Cyl. 3.0 Eng.	R-134a	33 oz	PAG-46 4.06 oz
2010	6 Cyl. 3.5 Eng.	R-134a	19 oz	PAG-46 4.06 oz
2010	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2010	8 Cyl. 6.2 Eng.	R-134a	33 oz	PAG-46 4.06 oz
2010	8 Cyl. 6.3 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2009	6 Cyl. 3.0 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2009	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2009	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2009	8 Cyl. 6.3 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2008	6 Cyl. 3.0 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2008	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46 4.06 oz
2008	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46
2007	6 Cyl. 3.0 Eng.	R-134a	21 oz	PAG-46
2007	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46
2007	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46
2006	6 Cyl. 3.2 Eng.	R-134a	21 oz	PAG-46
2006	6 Cyl. 3.5 Eng.	R-134a	21 oz	PAG-46
2006	8 Cyl. 5.0 Eng.	R-134a	34 oz	PAG-46
2006	8 Cyl. 5.5 Eng.	R-134a	21 oz	PAG-46
2001 to 2005	All Eng.	R-134a	35 oz	PAG-46 7 oz
1996 to 2000	All Eng.	R-134a	33.5 oz	PAG-46 8.5 oz
1994 to 1995	All Eng.	R-134a	33.5 oz	PAG-46 8 oz

Recharge supplies for your Mercedes-Benz E Class

Buy the refrigerant type shown for your year and confirm it against the under-hood decal. R-1234yf cans cost more and need a matching coupler.

R-134aR-134a recharge can with a gaugeShop cans Manifold gauge setReads high and low side pressure properlyShop gauges Leak detection kitFind the leak before you spend on refrigerantShop kits

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Same car, other specs: Mercedes-Benz E Class specs hub.

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Source: Four Seasons - Compressor / System Refrigerant & Lubricant Specs. The under-hood A/C decal is the primary source for your exact car - it overrides any table. Charges assume a clean system with a new drier.