54 Chassis Electrical, Instruments
Battery Cradle Inspection and Cleanup
54-0001
- Initial filling of battery
54-0006
- Treatment of battery when vehicle taken out of use
54-0080
- Checking marten protection system (Model W124.0 up to approx 9/92)
54-0180
- Installing separate fuse for blower motor (up to 6/86)
54-0242
- Overvoltage protection relay
54-0246
- Removing and installing odometer, <s> (up to 03/93) fehlt
54-0248
- Hall sensor, road speed signal with mechanical/electronic
54-0252
- Testing electronic speedometer. model 124.034/036
54-0254
- Testing electric oil pressure gauge
54-0255
- Testing gauge for economic driving (ECONOMY-up to 6/90)
54-0256
- Function of fuel gauge sensor
54-0257
- Testing fuel gauge
54-0264
- Testing windscreen washer level indicator
54-0320
- Removing and installing rear dome lamp and switch
54-0345
- Location and identification of fuses and unfused connections
54-0405
- Warning device for parking brake (rental vehicles)
54-1030
- Testing no-load current consumption
54-1130
- Charging battery, testing state and capacity
54-1255
- Removing and installing front fuse and relay box and location of auxiliary fuse boxes
54-1500
- Removing and installing combination relays
54-1555
- Removing and installing horns of two-tone signal or fanfares
54-2300
- Removing and installing control units of module box (Model W124.034/.036)
54-2311
- Removing, installing control modules (except Model W124.034/.036)
54-2312
- Seat belt warning control unit <USA>
54-2350
- Removing and installing blower motor for module box (Model W124.034/.035)
54-2360
- Removing and installing module box (Model W124.034/.036)
54-2800
- Removing and installing combination switch
54-3190
- Removing and installing switches in center console
54-3250
- Removing and installing exterior light switch
54-5125
- Electrical connections of optional equipment
54-5245
- Removing and installing clock/tachometer
54-5320
- Removing and installing speedometer
54-5600
- Removing and installing speedometer shaft (except Model W124.034/.036)
54-6015
- Removing and installing instrument cluster
54-6070
- Testing operation of exterior lamp failure indicator
54-6075
- Removing and installing exterior lamp failure monitoring unit
54-6112
- Removing and installing gauges
54-6114
- Removing and installing function display (ASD, ASR, 4MATIC)
54-6320
- Testing electrical outside temperature display
54-6341
- Removing and installing temperature sensor of outside temp display
54-6940
- Function of electronic brightness control of instrument lighting
Programmed repairs
- Electrical System I
Select complaint...
"Economy" gauge is sluggish or does not indicate
Battery discharges after vehicle parked for long periods
Engine cuts out, electrical system has no voltage
When engine running, bulb failure indicator lamp does not go out although no lamps are switched on
Bulb failure indicator lamp does not go out when engine running and light swtched on although no lamp faulty
Generator wiring harness chafing on frame side menber
Bulbb failure indicator lamp lights up when using two-way radio on vehicles with two-way radio or telephone.
Unsteady needle on fuel gauge, oil pressure gauge and coolant temperature gauge when ignition switched on
Moisture or water in fuse and relay box
Battery discharges after vehicle parked for short time
Engine cuts out intermittently, runs again or only runs when started and then cuts out
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