1665000049 A1665000049 Coolant Reservoir Radiator Expansion Tank For W166 ML300 ML400 ML350 W292 GLE350 Item Type: Coolant Expansion Tank Material: ABS Plastic Placement on Vehicle: Front Fit for: GL350 X164 2013-2016 V6 3.0L Diesel Front Sport GL450 X164 2015-2016 V6 3.0L Petrol Front Sport GL450 X164 2013-2014 V8 4.6L Petrol Front Sport GL550 X164 2013-2016 V8 4.6L Petrol Front Sport GL63 X164 2013-2016 V8 5.5L Petrol Front Sport GLE300d X164 2016 l4 2.1L Diesel Front Sport GLE350 X164 2016-2018 V6 3.5L Flex Front Sport GLE350 X164 2016-2018 V6 3.5L Petrol Front Sport GLE350d X164 2016 V6 3.0L Diesel Front Sport GLE400 X164 2016-2017 V6 3.0L Petrol Front Sport GLE43 X164 2017-2018 V6 3.0L Petrol Front Sport GLE450 X164 2016 V6 3.0L Petrol Front Sport GLE550 X164 2016-2017 V8 4.6L Petrol Front Sport GLE550e X164 2016-2018 V6 3.0L Petrol Front Sport GLE63 X164 2016-2018 V8 5.5L Petrol Front Sport GLE63 S X164 2016-2018 V8 5.5L Petrol Front Sport GLS350d X164 2017 V6 3.0L Diesel Front Sport GLS450 X164 2017-2018 V6 3.0L Petrol Front Sport GLS550 X164 2017-2018 V8 4.6L Petrol Front Sport GLS63 X164 2017-2018 V8 5.5L Petrol Front Sport ML250 W166 2015 l4 2.1L Diesel Front Sport ML350 W166 2012-2015 V6 3.0L Diesel Front Sport ML350 W166 2012-2015 V6 3.5L Flex Front Sport ML350 W166 2012-2015 V6 3.5L Petrol Front Sport ML400 W166 2015 V6 3.0L Petrol Front Sport ML550 W166 2012-2015 V8 4.6L Petrol Front Sport ML63 W166 2012-2015 V8 5.5L Petrol Front Sport Constructed from ABS material, this coolant expansion tank offers resistance to wear and corrosion.Designed for straightforward installation without the need for tools.The unit maintains stable performance under varying operating conditions.Includes one water tank.