Mercedes-Benz AMG GT C190

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses

The M178 is AMG's sports car answer to Porsche — dry sump, hand-built, 4.0 litres with the turbos in the hot inner-V. The dry-sump system with a separate 12-litre oil reservoir is not just for show: under high lateral g-forces on the track the oil supply remains stable where a conventional engine would already suffer oil starvation. One Man, One Engine is not a marketing slogan — every engine has a plaque with the assembler's name, and that shows in build quality. Maintenance requirements are above average: intake valves carbon up through pure direct injection every 40,000–60,000 km; the hot-V turbo needs a few minutes of idle cool-down after track use. Shorten oil change intervals to 7,500 km — the manufacturer's recommendation is too long for spiritedly driven examples. Early production gearboxes up to 2017 were the weakest link: DCT replacement under 20,000 km occurred. Revised units run without issues. Replace ignition coils from 2018–2019 build years prophylactically if not already done.

• !! DCT Gearbox Early Failure — First Generation from 15,000 km

  Early C190 models had DCT gearboxes that failed under 20,000 km — too much torque for the first gearbox generation. Mercedes replaced under warranty and revised the calibration.

  Symptoms: Sudden neutral while driving, gearbox drops out, judder in the lower rev range.
  4,000–12,000 $
  Ad DCT gearbox AMG GT C190Speedshift DCT M178
• !! Turbocharger Wear Under Intensive Track Use from 100,000 km

  Hot-V turbochargers suffer from high heat on frequent track use. Improper shutdown after full load without cool-down accelerates bearing wear. Expensive to replace due to tight installation.

  Symptoms: Whistling under load, smoke, power loss, elevated oil consumption.
  3,000–8,000 $
  Ad Turbocharger M178 AMG GTTurbo V8 BiTurbo 4.0 hot-V
• !! Ignition Coil Failure — Service Campaign 2018–2019 from 40,000 km

  Known problem 2018–2019: ignition coils fail from moisture ingress. Mercedes responded with a service campaign and revised coils with rubber sealing.

  Symptoms: Misfires on individual cylinders, rough running, check engine light, power loss.
  300–900 $
  Ad Ignition coil M178 AMG GTIgnition coil A2769060100

+ 5 more engine weaknesses + vehicle weaknesses