Mercedes-Benz Tech Tip: Implausible Oil Level Messages
You may encounter instances on any of the subject models where the engine oil level is OK, but the instrument cluster is displaying any one of the following three messages: oil level below minimum; oil level above maximum; or engine oil level – visit workshop.
Tech Tip: Resetting Service Lights on BMW, Mercedes, Volvo, Honda and Toyota
For all BMWs you must have the driver-side door shut to reset the service lights. On E60 and later models, it may also be necessary to buckle the driver-side seat belt in order to reset the service light.
Tech Tip: Mercedes-Benz Low Range Light Flashes, Code P1831
If you receive customer reports in the affected model vehicles of the low-range light flashing rapidly (18 times) after vehicle start with fault code P1831 (positioner motor, position sensor or power supply is faulty) in the transfer case ECU, do not replace the transfer case motor. This is caused by a temporary loss of communication between the transfer case control module and the shift motor position sensor.
Mercedes-Benz Tech Tip: A/C Compressor Clutch Won’t Engage
Some owners of 1997 Mercedes-Benz E320 3.2L vehicles may complain that the EC light on the climate control push-button panel is continuously lit. This light is on because the A/C compressor clutch won’t engage. To correct this problem, refer to the following service procedure.
Tech Tip: Import Diesel Service Represents an Emerging Service Opportunity
The introduction of more and more new diesels in the coming years means technicians will have to keep up-to-date with the latest technology. That means more training, investing in the latest scan tools and software, and buying the special tools that may be required to service these engines. But for import specialists who are up on diesel technology, it’s good news because it means more service opportunities and more potential business.
Tech Tip: Mercedes-Benz Engine Dies When Transmission Is Shifted Into Gear
You may encounter a Mercedes in which the engine dies when the transmission is shifted into gear or when parking. Damage code 27 205 47 is also present.
Mercedes-Benz Tech Tip: Engine Dies When Transmission is Shifted into Gear
You may encounter a Mercedes in which the engine dies when the transmission is shifted into gear or when parking. Damage code 27 205 47 is also present. The cause of the problem is moisture (corrosion) in the connector for the starter lockout switch/transmission wiring harness.
Tech Tip: Water Entering Fuse Box on Mercedes-Benz
The fuse box (F1) and SAM (N10-1) on 1998 E320 (202/208/210) vehicles are not waterproof, only water-resistant. A strong spray of water can cause moisture to enter these modules and possibly cause corrosion and/or poor contact.
Tech Tip: Uncovering Tire Noise
By now you’ve probably become an expert at explaining the noise differences between a “mud” performance tire and one designed for "all-terrain" use. Tire lugs are dead giveaways. Even someone with trifocals can see the difference.