M177 AMG vs M112/M113

Side-by-side reliability comparison

Higher reliability score
M112/M113 BEST 92/100
+27 points over M177 AMG
0 / 100
CAUTION M177 AMG Mercedes-Benz
0 / 100
BEST M112/M113 Mercedes-Benz

Specifications

M177 AMG
M112/M113
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
CAUTION
BEST
Reliability
65
92
Years
2014--present
1997--2006
Displacement
3982 cc
3199 cc
Layout
V8
V6
Type
Petrol Turbo
Petrol Na
Power
476--630 hp
218--306 hp
Known Issues
3
3
Total Risk Cost
€2,600--€6,400
€950--€2,850

Character

M177 AMG

"Handcrafted AMG V8. Massive power. AMG-level care needed. Expensive when wrong."

M112/M113

"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."

Issues Comparison

M177 AMG 3

◆ CRITICAL
Head bolt failure — early C63 (W205) €2,000--€5,000 0 km--60,000 km
▲ HIGH
Oil degradation — M-car intervals critical €200--€500 0 km--∞
● MODERATE
Intake carbon buildup (direct injection) €400--€900 60,000 km--120,000 km

M112/M113 3

● MODERATE
Air suspension / Airmatic failure (S/ML models) €600--€2,000 100,000 km--180,000 km
○ MINOR
Spark plugs + ignition coils (V6/V8) €200--€500 80,000 km--150,000 km
○ MINOR
Coolant system: thermostat + expansion tank €150--€350 100,000 km--180,000 km

Models

M177 AMG 31

GLA X156 2014--2020 CLA C117 2013--2019 A-Class W176 2013--2015 A-Class W176 2016--2018 CLA C118 2020--present A-Class W177 2020--2025 GLA H247 2020--present SL R232 2022--present GLC X254 2023--present C-Class W206 2022--present C-Class W206 2023--present GLC X254 2023--present E-Class W214 2025--present S-Class W223 2023--present SL R231 2012--2020 GLE W166 2015--2019 S-Class W222 2013--2017 E-Class W212 2011--2016 G-Class W463 2012--2018 S-Class W221 2011--2013 C-Class W205 2015--2021 AMG GT X290 2019--2023 GLC X253 2018--2022 G-Class W463 2nd 2018--present C-Class W205 2015--2021 E-Class W213 2017--2023 AMG GT X290 2019--2023 GLE W167 2020--present AMG GT C190 2015--2021 AMG GT C190 2014--2021 AMG GT C190 2017--2021

M112/M113 23

E-Class W210 1997--2002 E-Class W211 2002--2005 C-Class W203 2001--2005 C-Class W202 1997--2000 E-Class W210 1996--2002 S-Class W220 1998--2005 E-Class W210 1996--2002 S-Class W220 1998--2005 CLK W209 2002--2005 C-Class W203 2001--2005 E-Class W210 1997--2002 S-Class W220 1998--2005 S-Class W220 1998--2005 E-Class W211 2002--2006 CLK W209 2002--2006 SL R230 2001--2006 G-Class W463 2008--2018 E-Class W210 1997--2002 C-Class W203 2004--2007 E-Class W211 2003--2006 SL R230 2002--2008 ML 320 W163 1997--2005 SUV ML 350 W163 2003--2005 SUV
Full M177 AMG Report Full M112/M113 Report