Mercedes-Benz · S212 · 2009-2016

S212 Guides

Hunt for well-documented service records and inspect the timing chain guides common to early petrol engines, as preventative maintenance defines long-term reliability. Diesel variants offer superior fuel economy and torque delivery, making them ideal for high-mileage owners seeking engagement with lower ownership costs.

IssueSeverityNotes
Timing chain tensioner failure on M272/M273 enginesHighInspect service records closely; preventative replacement recommended at 100,000 miles
Air suspension compressor strainMediumDiesel variants prone to compressor fatigue; aftermarket alternatives available
AIRMATIC hydraulic fluid leaksMediumCommon on vehicles over 80,000 miles; seal replacement extends system life