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Modern Mercedes-Benz engines, from the four-cylinder M274 and M264 to the V6 and V8 petrol engines and the OM651 and OM654 diesels, are turbocharged, tightly packaged and run hot. Dubai heat and stop-start traffic add extra stress on seals, the cooling system and turbochargers. Typical faults include oil leaks from the oil filter housing and camshaft adjuster solenoids, timing chain stretch on some engines, thermostat and water pump failures and boost leaks. At Orange Auto in Al Quoz and Nad Al Hamar we use Mercedes diagnostic software, live data and hands-on tests to find the real cause before quoting.
We read engine fault codes and check fuel trims, misfire counters, boost and camshaft timing values.
Smoke tests for vacuum and boost leaks, compression or leak-down tests and cooling system pressure tests as needed.
We explain the fault, the repair options and the cost, ranked by urgency.
From seals and solenoids to timing chains, turbochargers and cylinder head work, done with genuine or quality OEM parts.
We clear faults, run adaptations where needed and road test the car under load.
Regular oil changes with MB-approved oil protect timing chains and turbochargers. See our Mercedes oil change. Fixing small leaks early stops oil damaging engine mounts and wiring.
Engine diagnosis and repair at our Al Quoz workshop.
Nad Al HamarSee our Mercedes workshop in Nad Al Hamar.
A misfire code can be a coil, a plug, an injector or a leak. Testing first stops you paying for parts you did not need.
Plastic cooling parts age faster in Dubai heat. If the temperature gauge rises in traffic, have it checked before the engine is damaged.
On BlueTEC diesels we also check injectors, EGR, AdBlue and the particulate filter. See Mercedes exhaust repair.
Some faults feel like engine problems but come from the gearbox. See Mercedes transmission repair.
Not sure what is wrong? Book a Mercedes full inspection and diagnosis.
Can I drive with the check engine light on?If it is steady and the car drives normally, drive gently and book a check soon. If it flashes, stop driving, as a misfire can damage the catalytic converter.
Is a small oil leak a problem?Yes, if left. Oil can damage engine mounts, hoses and wiring over time.
How long does engine repair take?Diagnosis takes a few hours. Repairs range from the same day to longer jobs such as timing chains.
Book your Mercedes-Benz engine diagnosis at Orange Auto in Al Quoz or Nad Al Hamar, or see all our Mercedes-Benz services. Call or WhatsApp us, or ask for a free quote using the form above.