Please note: This version of VDO gears is meant Mercedes (KM CARS ONLY) W126 / W124 / W107 Odometer gear repair set that require a 12 tooth third gear. This odometer repair kit is for the following Mercedes cars: Mercedes W126 (1978-1991) 280SEL,300SD/SDL,300SE/SEL, 350SD/SDL, 380SE/SEC/SEL, 420SEL, 500SEL/SEC, 560SEC/SEL (Euro KM specs only) Mercedes W124 (1988-1995) 400E,E420, 500E and E500s (Euro KM specs only) Mercedes W107 (1981-1985) 380SL/SLC and 500SL Mercedes (1986-1989) 500SL and 560SL from (Euro KM specs only)
On these KM W126 / W124 / W107 sets there are a couple different options for the third gear count. The most common is 12. This is the default number we send. Please check the number of teeth on your third gear to confirm you get the right version. If you do not we will send you the default (and most common) tooth count.
The three gears that need replacement. We no longer include two spacers since our newest design includes a stand off (post) that keeps the gears spaced correctly and moving smoothly (just like the original OEM gear design). The factory KM W126 / W124 / W107 gears get soft over time (imagine how a stale Oreo cookie would feel when broken in half, thats what the gears in your current broken gauge feels like).
These gears are quality made with better then oem material with a quality fit and finish. When purchasing our kit be sure to check out our INSTALLATION DIY GUIDE.
This guide should only be used to help you as a suggested way to fix your equipment. They are not intended to be the only way to do. Its your responsibility if any damage occurs. If you are not sure of any part of these instructions, feel free to send us an email, we would be happy to help.
There are many small pieces involved with this. So proceed with caution, use common sense and proper safety measures.
Please be aware that we are not responsible for any damages that happen. By using this guide you understand that we have made this only to make installation easier for you. However, do to the age of these things, every gauge cluster has been through a different life.
- Assortment of philips screw drivers
- needle nose pliers
- flat screw driver
- a little patience
- About 45mins. This is something that takes patience. You're dealing with lots of tiny pieces.
Remove the 9 philips screws in the back of your gauge. When placed down, be careful not to brake the tabs!
When removing rear panel, take note of the two lower tabs and be sure to pull straight up or damage to connectors inside may happen.
Remove the 4 philips screws that hold the odometer in place. Before you try to take out the cluster, do not forget the connector at the bottom. There are tabs that hold it in place. Once this is out you can pull straight out because there are connectors holding. DO NOT BEND! We found its best if you hold the cluster as it was placed in the car that way it doesnt fall out.
When odometer is out, you will see the gears on the side. There should be three. See the damage.
There are two screws holding a clear cover over the gears. Remove them.
The gears can then be replaced in the order they are taken out. They fit in an interlocking stacking setup. Notice that the gears are very soft and will fall apart as you try to remove them. NOTE: There is a brass bushing on the smaller 12 tooth gear. Its on the shaft and needs to be removed to install the new gear. You do not need this bushing with the new gear. DO NOT TRY TO PULL THE BUSHING OFF WITH ANY TOOLS AS THIS WILL DAMAGE THE MOTOR. Best way is to use a pair of plyers and lightly squeeze the bushing from one side, then the other. Then it ill slip right out. Do not use too much force!
Dont forget to install out spacer to keep the gears spaced correctly. DO NOT PUSH IT ALL THE WAY DOWN AGAINST THE GEAR. THIS WILL CAUSE THE GEARS TO BE PINCHED AND NOT BE ABLE TO MOVE!
Put togther in reverse order. Be sure you have gotten all the old pieces of the gears out so you have no future problems. Before closing everything up be sure to run the gears by hand to make sure everything is right and working correctly.
ENJOY! No more guessing when the next oil change is!
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