Mercedes-Benz S350: Common Problems & Reliability Guide (South Africa)
Also covers: S350d, S400d, S450, S500, S560, S560e, S63 AMG, S65 AMG
These are issues documented for the Mercedes-Benz S350 in general - things to check for, not a diagnosis of any particular car. Whether a specific car has one depends on its age, mileage, service history and how it was used.
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Check This Vehicle Free →AIRMATIC Air Suspension Strut Leak / Compressor Failure
Symptoms to watch for
- One corner of the car visibly sagging, most noticeable after the car has been parked overnight or for several hours
- An audible compressor running for an unusually long time, or continuously, when the car is started or left idling
- AIRMATIC or 'Car Too Low' warning light/message on the dashboard
- A noticeably firmer, less absorbent ride than expected for this model, in advanced cases
Rough Repair Cost
Independent workshops typically charge R20 000-R55 000 for this, depending on exactly what's needed. The full independent-vs-dealer breakdown is in a full AutoLytiQs report.
What To Check
An early-stage leak is NOT reliably caught on a normal test drive - the overnight/extended-parking sag test (see diagnosis above) is the real, practical way to catch it before buying, not a short drive around the block.
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- Repair-cost estimate for 1 of 1 documented issue
- A recommended fix or negotiation point for that issue
- A downloadable PDF report
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This guide summarises documented, sourced findings for the Mercedes-Benz S350 generally. It is not an assessment of any specific vehicle - mileage, service history and condition vary by example. A full AutoLytiQs™ report checks a specific listing for sale against this data plus a live South African market valuation, to tell you whether that exact vehicle is a good buy.