Features: Replaces part number: 1663301807, 1663301707 . Vehicle fitment: this control arm is compatible for GL350 GL450 GLE350 ML350. Enhanced s tructural s trength : h igh-strength structure can withstand repeated impact loads, making it more stable during operation . Premium b all j oints : f or noise-free, articulation and durability, we sourced premium ball joints for the tubular lower control arms. Compared to other common ball joint s , these ball joint exhibits one of the highest articulation angle. High performance: the control arm s are made of quality iron material, high strength and sturdy to use for a long time. And with these control arms the following issues may be improved: 1. collision sound ; 2. unstable steering ; 3. uneven tire wear ; 4. excessive vibration . Specification: Product name: Control Arm Material: metal OE part number: 1663301807, 1663301707 Interchange part number: 102-7975, 102-7976, 166 330 17 07, 166 330 18 07, 1663301707, 1663301807, 524-517, 524-518, CA8791, CA8792, CK622435, CK622436, CMS101366, CMS101367, K622435, K622436, RK622435, RK622436, TC3053, TC3054, A1663301707, A1663301807, MS10564, 1663301707, 1663301807, MS10564, X31CJ2347, CMS101366, TC3053, 1027975, 524517, CB28197PR, V302544, X31CJ2346, TC3054, 524518, CB28198PR, V302545 Placement on vehicle: front, left, right, upper Fitment: Model Body Year Compatible for GL350 Bluetec 4Matic Sport Utility 4-Door 2013-2016 Compatible for GL450 4Matic Sport Utility 4-Door 2015-2016 Compatible for GL450 Base Sport Utility 4-Door 2013-2014 Compatible for GL550 4Matic Sport Utility 4-Door 2013-2016 Compatible for GL63 AMG Base Sport Utility 4-Door 2013-2016 Compatible for GLE300d 4Matic Sport Utility 4-Door 2016-2017 Compatible for GLE350 4Matic Sport Utility 4-Door 2016-2018 Compatible for GLE350 Base Sport Utility 4-Door 2016-2018 Compatible for GLE400 4Matic Sport Utility 4-Door 2016-2017 Compatible for GLE400 4Matic Sport Utility 4-Door 2019-2019 Compatible for GLE43 AMG 4Matic Sport Utility 4-Door 2017-2019 Compatible for GLE43 AMG 4Matic Sport Utility Coupe 4-Door 2017-2019 Compatible for GLE550e 4Matic Sport Utility 4-Door 2016-2018 Compatible for GLE63 AMG 4Matic Sport Utility 4-Door 2016-2019 Compatible for GLE63 AMG S 4Matic Sport Utility 4-Door 2016-2019 Compatible for GLE63 AMG S 4Matic Sport Utility Coupe 4-Door 2016-2019 Compatible for GLS350d 4Matic Sport Utility 4-Door 2017-2017 Compatible for GLS450 4Matic Sport Utility 4-Door 2017-2019 Compatible for GLS550 4Matic Sport Utility 4-Door 2017-2019 Compatible for GLS63 AMG Base Sport Utility 4-Door 2017-2019 Compatible for ML250 Bluetec 4Matic Sport Utility 4-Door 2015-2015 Compatible for ML350 4Matic Sport Utility 4-Door 2012-2015 Compatible for ML350 Base Sport Utility 4-Door 2013-2015 Compatible for ML350 Bluetec 4Matic Sport Utility 4-Door 2012-2014 Compatible for ML400 4Matic Sport Utility 4-Door 2015-2015 Compatible for ML550 Base Sport Utility 4-Door 2012-2014 Compatible for ML63 AMG Base Sport Utility 4-Door 2012-2015