Mercedes-Benz GLS — TIMING CHAIN OR BELT?

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The Mercedes GLS is a luxury SUV (F-segment in Europe) manufactured by the German automaker Daimler. It was previously called “Mercedes-Benz GL-Class“, but changed its name to suit the new nomenclature of Mercedes SUVs. It is a large luxury car a step above the Mercedes GLE, thus being the flagship of Mercedes-Benz SUVs. There are three generations of this vehicle.

It competes against the Audi Q7, the Range Rover and the BMW X7.

Mercedes-Benz GLS. Timing Belt or Timing Chain?

Down below you will see a list with all Mercedes GLS-Class models that have been produced. They are classified by model identifier, year and type of bodywork. Above each list, we show you a series of pictures so that you can have a visual reference for each model. In some cases, both the original and its updated design are displayed to help you identify them with ease.

In this guide you will find all Mercedes GLS.

■ Timing Belt / Cam Belt (Correa / Faja de Distribución)
■ Timing Chain (Cadena de Distribución / Cadena de Tiempo)
■ Gear Driven (Distribución por Engranajes)
■ 100% Electric, No Timing (Sin Distribución)
■ Unknown / Not Updated (Información desconocida)

If a car model is specified in blue, it means its motor engine has a timing chain; that is, it has no timing belt. The rest of the vehicles marked in grey have a timing belt/cam belt.

Mercedes-Benz GL-Class – First Generation (X164)

SUV (X164)

Diesel Engines

• OM642.820 GL 320 CDI / 350 BlueTEC 4-matic (164.824, 164.825) 211 CV (2009 – 2012)
• OM642.940 GL 320 CDI 4-matic 218 CV (2006 – 2009)
• OM642.940 GL 320 CDI 4-matic (164.822) 224 CV (2006 – 2009)
• OM642.940 GL 350 CDI 4-matic (164.822) 224 CV (2009 – 2012)
• OM642.822 GL 350 CDI 4-matic (164.823) 265 CV (2010 – 2012)
• OM629.912 GL 420 CDI 4-matic (164.828) 306 CV (2006 – 2009)
• OM629.912 GL 450 CDI 4-matic (164.828) 306 CV (2009 – 2012)

Petrol / Gasoline Engines

• M273.923 GL 450 4-matic (164.871) 340 CV (2006 – 2012)
• M273.963 GL 500 4-matic (164.886) 388 CV (2006 – 2012)

Mercedes-Benz GL-Class / GLS – Second Generation (X166)

SUV (X166)

During this second generation, there was a name change from GL-Class to GLS. The X166 is sold under both names.

Diesel Engines

• OM642.826 GL 350 CDI / BlueTEC 4-matic (166.824) 243 CV (2012 – 2015)
• OM642.826 GL 350 CDI / BlueTEC 4-matic (166.824) 249 CV (2012 – 2015)
• OM642.826 GL 350 CDI / BlueTec 4-matic (166.823, 166.824) 258 CV (2012 – 2015)
• M642.826 350 d 4-matic (166.824) 249 CV (2019)
• OM642.826 350 d 4-matic (166.824) 258 CV (2015 – 2019)

Petrol / Gasoline Engines

• M276.821 GL 400 4-matic (166.856) 333 CV (2013 – 2015)
• M276.821 GL 450 4-matic 367 CV (2014 – 2015)
• M278.928 GL 500 4-matic (166.873) 408 CV (2014 – 2015)
• M278.912 GL 500 4-matic (166.871) 422 CV (2015)
• M278.928 GL 500 4-matic (166.873, 166.874) 435 CV (2012 – 2015)
• M157.982 GL 63 AMG 4-matic (166.874) 544 CV (2012 – 2015)
• M157.982 GL 63 AMG 4-matic (166.874) 558 CV (2012 – 2015)
• M276.821 320 4-matic (166.862) 272 CV (2017 – 2019)
• M276.821 400 4-matic (166.856) 333 CV (2015 – 2019)
• M276.821 450 4-matic (166.864) 367 CV ( 2016 – 2019)
• M278.912 500 4-matic (166.871) 422 CV ( 2016 – 2019)
• M278.928 500 4-matic (166.873) 456 CV (2015 – 2019)
• M157.982 AMG 63 4-matic (166.875, 166.874) 585 CV (2015 – 2019)

Mercedes-Benz GLS – Third Generation (X167)

SUV (X167)

Diesel Engines

• OM656.929 350 d 4-matic (167.921) 286 CV (2019)
• OM656.929 400 d 4-matic (167.923) 330 CV (2019)

Petrol / Gasoline Engines

• M256.930 450 EQ Boost 4-matic (167.959) 367 CV (2019)
• M176.980 580 EQ Boost 4-matic (167.986) 489 CV (2019)
• M177.980 AMG 63 4Matic+ EQ Boost (167.989) 612 CV (2019)
• M177.980 Maybach 600 EQ Boost 4-matic (167.987) 557 CV (2019)

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