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Mercedes-Benz E 500: Common Problems & Reliability Guide (South Africa)

Also covers: E500

Real, sourced data · last reviewed 2026-09-03
30+ years of practical automotive experience behind these reports - our sourcing methodology

These are issues documented for the Mercedes-Benz E 500 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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M273 Balance-Shaft Idler-Gear Wear (Timing Chain Sprocket)

Engine - Timing/Valvetrain · severity: not established · confidence: 58/100 · 2 cited sources
Applies to: M113 5.0L NA V8 (2003-2005 pre-facelift) / M273 5.5L NA V8 (2006-2009 facelift, badged E500 in South Africa/RoW markets - the US… - not every engine this model has been sold with
ⓘ Not yet individually classified

Symptoms to watch for

  • Check engine light illuminated
  • Rough running, misfire, or reduced power
  • In advanced/unaddressed cases, the engine may stop running or fail to restart

Rough Repair Cost

Independent workshops typically charge R40 000-R90 000 for this, depending on exactly what's needed. The full independent-vs-dealer breakdown is in a full AutoLytiQs report.

What To Check

Early-stage wear does not reliably produce a noticeable symptom on a short test drive - a fault-code scan (even for stored/pending codes with no active warning light) and a direct engine-serial-number check against the settlement's defined range are the real, practical pre-purchase steps, not a test drive alone.

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This guide summarises documented, sourced findings for the Mercedes-Benz E 500 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.

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