Mercedes-Benz W163 (M-Class ML 1997–2005): common faults, maintenance guides and repair tips.
The most common cause is too little or foamed fluid. Overheating, or a fault in the torque converter lockup valve or the speed sensor, can also cause ...
The most common leak points are the oil pan gasket and the transmission plug, or connector, where the O-ring of the sleeve lets oil through. Other typ...
A common cause is oil that has got into the transmission plug, which disturbs the control. Cleaning and drying it can restore operation, but the cause...
Low range cannot be engaged unless the main transmission is in neutral (N). In addition, the engine must be running and the car stationary, the batter...
The cause is often the rear ABS wiring harness, which has chafed through against the body, or worn brushes in the ABS pump motor. A wiring harness fau...
There are several causes: the brake light switch, relay K6, a brake fluid level that is too low, an incorrect reading from the steering angle sensor o...
Often the fault is in the compressor's magnetic clutch: the coil, the clutch air gap or the clutch plate. Alternatively, the fault can be in the contr...
Voltage can climb as high as 16-17 volts while driving, which resets the instrument cluster and makes the lights flicker. The cause is usually the alt...
Typical symptoms are hard starting, especially when warm or in cold weather, and fuel pressure staying low. Sometimes the car stalls and the EPC light...
A typical cause is a sensor that tracks engine position: the crankshaft position sensor or the camshaft sensor. As the engine warms up, the faulty sen...
Yes. A crack in the boost hose between the turbo and the intercooler can cause heavy smoke and a lack of power. Typical leak points are cracks in the ...
The cause is often air in the fuel line. The engine needs long cranking, starts and then stalls right away. Air gets in through a leak on the low-pres...
The axles use GL5-grade oil that meets approval MB 235.7 when the axle has no locks. The transfer case takes automatic transmission fluid (ATF) with a...
Pressurise the cold cooling system to a good bar with a rubber plug that tightens in place and a pressure gauge. Listen for where it hisses. This also...