Mercedes-Benz W210 (E-Class 1995–2002, including the S210 estate): common faults, maintenance guides and repair tips.
Common causes are a weak battery or voltage drop, a faulty brake light switch, the wheel speed sensor or its tone ring, the steering angle sensor, and...
The most common cause is low refrigerant. The pressure switch prevents the compressor from running if there is not enough pressure. When the compresso...
Most often from the condenser and its connections. Other leak points are a rusted dryer, O-rings, the evaporator, the service valve, chafed hoses and ...
It is not maintenance-free. According to the service schedule, the fluid and filter are changed about every 60,000 km. In older cars the change was or...
Warm the transmission up to about 80 degrees. The car is on level ground, the engine is running and the selector is in P. First go through the gears a...
A common cause is the brake light switch, whose failure can also switch off traction control. Fault code C0125 points to the switch. Other things to c...
Usually charge air is leaking: a pipe has come off, a pipe or clamp does not seal well enough, or the intercooler has torn internally. The leak is not...
There are several causes: the thermostat, a blocked heater core, weak or wrong-strength coolant, air in the cooling system or a faulty electric circul...
The most common cause is air in the fuel system. Look in the transparent fuel hoses to see whether air bubbles travel in them. If they do, replace the...
Yes. Air prevents the pressure from rising, so the diesel starts poorly, jerks or does not start at all. A common symptom is air bubbles in the transp...
The most common cause is the rail pressure regulator or its leaking seals. Other causes are the leaking copper seals of the injectors and return leaka...
Typical symptoms are poor starting and an uneven engine sound. If rail pressure does not rise, one injector may be leaking straight into the return li...
The message tells you that the battery is not charging or there is a fault in the electrical circuit. The cause can be the alternator, but just as wel...
The conductor plate is inside the transmission, and the transmission does not have to be removed from the car. Its magnetic sensors read rotational sp...
Oil rises from the transmission between the strands and the insulation of the wires when the grommet of the transmission connector leaks. There should...
Causes have included a blown 7.5 A engine management fuse, a faulty intake air temperature sensor, seized fan bearings or a faulty control unit. Read ...
The bearing growls or hums while driving, and you may hear rattling over potholes. To check by hand: lift the front end, spin the wheel and test for p...
The cause can be the glow relay fuse, which looks intact but passes current poorly, or a glow plug that is faulty only when hot even though its resist...
Common causes are too little or the wrong transmission oil, in which case changing the oil and filter often helps. In a vacuum-controlled transmission...
Usually air gets into the fuel system. The fuel drains back to the tank while standing, and O-rings hardened by the cold leak. If the engine starts on...
The most common cause is an oxidised or loose bulb socket or connector. Other causes are a bulb of the wrong wattage, a blown licence plate light, the...
In limp mode the car's control unit limits the revs and injection to protect the engine. Power disappears and the cruise control usually does not work...
The symptom is well known on the OM606, and it is usually felt in the 600–800 rpm range. The cause varies: often it is the injection pump delivery val...
The most common causes are a faulty ignition coil, worn spark plugs or plug leads, and an intake air leak. The symptom often gets worse as the engine ...
It is a common cause. The rubber and bearing of a worn support bearing cause whining, droning, knocking when shifting, or vibration above 100 km/h. Th...
The most common cause is the level control gas spheres. When the diaphragm or gas of a sphere has failed, the level and suspension of the whole rear a...
Yes. The outer mounts of the lower control arm, the so-called squeaking mounts, can be broken and cause the car to wander. Worn bushings and mounts sh...
The spring cup is thin sheet metal, and rusting and tearing is a known W210 fault. A rusted seam can fail while driving, while parking or even on a st...
Flaps sticking or the adjusting lever coming off can cause lack of power, revs not rising, smoke and limp mode. The engine management then stores a fa...
The chain is usually worn only after more than 400,000 km. If the chain really makes noise, replace the chain and the tensioner together. The rattle c...
The plastic gear of the wiper motor can be worn smooth so that the drive does not grip. Another cause is a detached or loose joint in the linkage, wor...