W123 – Tacho-Reparatur – works for W116 odometer (kilometerteller) as well
Posted by jpluimers on 2017/09/11
Since the odometer of our W116 would stall every now and then, we had to repair it. Luckily the instructions at W123 – Tacho-Reparatur [WayBack] work fine for a W116 as too.
It’s different between 450SEL and 450SEL 6.9 and contains a bunch of lightbulbs so for completeness some links that help fixing lighting issues:
- M-100 Message Board – ACC Lights Out?… [WayBack]
- Instrument cluster removal 101 [WayBack]
- instrument cluster lights [WayBack]
- Fixing Older Mercedes Dash Light Dimmer Switch Problems [WayBack]
- (also for W116) MBCluster.com Mercedes W140 Instrument Cluster Repair Homepage [WayBack]
- Instrument Cluster Light Bulb Requirements | Lights Problem | MercedesSource.com [WayBack]
- Help identifying an instrument cluster symbol ! – Mercedes-Benz Forum [WayBack]
- W116 instrument clusters look the same, but aren’t.Top: 450SEL 1976Bottom: 450SEL 6.9 1975… – Jeroen Wiert Pluimers – Google+
- Picture Symbols | DashboardSymbols.com [WayBack]
- Picture Symbols – Page 2 | DashboardSymbols.com [WayBack]
- Picture Symbols – Part II | DashboardSymbols.com [WayBack]
- Multiple Symbols | DashboardSymbols.com [WayBack]
- Text Symbols | DashboardSymbols.com [WayBack]
–jeroen
Top: 450SEL 1976
Bottom: 450SEL 6.9 1975
The latter has speedometer going until 260 km/h
The former misses tachometer (but has a larger clock) and suspension warning light.
The lights at the bottom work independently of the lights in the cluster itself. This is their meaning:
Left indicator; Battery warning; High Beam light; Break warning (parking engaged or fluid level too low); Break pad warning; Suspension warning; Right indicator
The Wiert Corner - irregular stream of stuff 
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