Engine Gasket Seal Kit 2780160520 2780160020 Compatible with Mercedes-Benz GLS550 S500 W221 W166 M278 4.6 4.7 V8

Engine Gaskets Seal Kit 2780160520 2780160020 FOR GLS550 S500 W221 W166 M278 4.6 4.7 V8 This repair gasket set is designed for vehicles equipped with the M278 4.6L and 4.7L V8 DOHC turbocharged engines.The kit includes components necessary to restore engine sealing to specifications.It corresponds to reference numbers 2780160520, 2780160020, 2780160125, 0149977046, 0239978447, 2780100814, 2781420580, 2781420480, and 2780530100.This product is compatible with cross-reference part numbers from (61-43205-00, 61-43200-00, 81-10395-00, 71-38491-00, 71-38489-00) and Elring (430.600, 592.730, 592.720).The cylinder bore dimension is 92.9mm (STD). Compatible vehicle models include CLS500 and CLS550 (2012-2018, C218 chassis), CL500 and CL550 (2011-2014, C216 chassis), E500 and E550 (2012-2017, W212 chassis), GL450, GL500, and GL550 (2013-2015, X166 chassis), ML500 and ML550 (2012-2015, W166 chassis), GLE500 and GLE550 (2016-2019, W166 chassis), GLS500 and GLS550 (2017-2019, X166 chassis), S500 and S550 (2011-2013, W221 chassis and 2013-2018, W222 chassis), S500 Coupe (2014-2018, C217 chassis), and SL500 and SL550 (2012-2019, R231 chassis).Please verify your vehicle identification number (VIN) before purchase to ensure correct fitment. Installation involves disconnecting power, draining engine coolant and oil, and removing intake and exhaust manifolds along with necessary accessory components to access the cylinder heads.Thoroughly clean cylinder head mounting surfaces.Install the cylinder head gaskets onto the cylinder block ensuring correct orientation.Position cylinder heads onto the block and tighten bolts in the sequence and to the torque specifications provided by the vehicle manufacturer.Reinstall all removed components, fill with appropriate fluids, and reconnect power.

• Model Compatibility: Fits GLS550 and S500 vehicles with W221 or W166 chassis codes.
• Engine Specification: Designed for M278 4.6 and 4.7 V8 engine applications.
• Part Number Match: Replaces component numbers 2780160520 and 2780160020 as listed in title.
• Product Function: Serves as an engine gaskets seal kit for restoration purposes.
• Installation Scope: Intended for direct replacement to restore equipment sealing function.