E1 or the drive gear is a standard 12 tooth gear.
E2 is also a standard gear and will be 48 x 12
E3 will be a standard 48 outside and could be 12, 13, 15, 16 or 18 tooth on the inside.
129 and 140 Chassis odometer gears
It is recommended to replace both gears at the same time (15 tooth gear and 12 tooth pod). The dealership usually charges around $1600.00 for
the repair.
129 & 140 Speedometer Repair FAQ
15 Tooth Gear
12 Tooth Pod
Late Model Mercedes
When you first turn the ignition switch to the run position, all of the gauges move to the furthest mark of the gauge and then resets to the lowest (sweeps low to high). There is one gear per gauge: speedometer, tachometer, temperature and fuel. These gears are located inside of the stepper motor that attaches to each needle. These gears are mainly for repair facilities as you must use a Mercedes SDS to initialize and synchronize the motors after repair. The pictures to the left have a pencil eraser in the middle for size comparison as these gears are very tiny.
Windshield Wiper Transmission Gear with the single blade
Bodies 124, 129 and 201 with Bosch wiper transmission. Will not work on SWF brand wiper transmission. OE wiper transmission #124-820-23-07 $100/gear —
Windshield Wiper Transmission Gear with the single blade
Bodies 202
There are two gears that can possibly go bad on this chassis vehicle. The transmission gear, which is this gear and the gear inside of the wiper motor. We do not offer the wiper motor gear as it is not cost effective to produce and the wiper motor cost around $175.00 through the aftermarket. If you require the wiper motor it is best to have the Mercedes part number off the old unit as there are several versions.
