M112/M113
Mercedes-Benz · V6/V8 NA
1997–2006
"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 3
Air suspension / Airmatic failure (S/ML models)
▸Car sits low, Airmatic warning, uneven ride height
Not engine-related but very common on W220/W163. Compressor and bags fail. Can convert to springs.
S-Class and ML buyers in Greece: budget for Airmatic. Spring conversion €400-600 is popular alternative.
Spark plugs + ignition coils (V6/V8)
▸Misfires, rough idle, check engine light per cylinder
V6 has 6, V8 has 8. Replace as set. Aftermarket coils available at lower cost. Simple maintenance.
Well-known service item at any Greek workshop. Budget €200-500 for full set replacement.
Coolant system: thermostat + expansion tank
▸Coolant loss, overheating warning
Plastic components age. Thermostat and expansion tank are the typical items.
Standard maintenance for age. Greek heat accelerates plastic cooling component degradation.
Models with M112/M113 23
Related Guides
Other Mercedes-Benz Engines
Tuning Potential
N/A — classic
Frequently Asked Questions
Is the Mercedes-Benz M112/M113 reliable?
The Mercedes-Benz M112/M113 scores 92/100 with a verdict of BEST. It has 3 documented issues with total repair costs between €950 and €2,850.
What are the common problems with the M112/M113?
The most common issues are:
- Air suspension / Airmatic failure (S/ML models) — moderate, repair cost €600–€2,000, 100,000 km–180,000 km
- Spark plugs + ignition coils (V6/V8) — minor, repair cost €200–€500, 80,000 km–150,000 km
- Coolant system: thermostat + expansion tank — minor, repair cost €150–€350, 100,000 km–180,000 km
What cars use the Mercedes-Benz M112/M113?
How much does it cost to repair the M112/M113?
Total potential repair costs for all 3 known issues range from €950 to €2,850. The most expensive issue is typically .
What years was the M112/M113 produced?
The Mercedes-Benz M112/M113 was produced from 1997 to 2006. It is a 3199cc V6 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.