Hello,

I understand there is an upgrade kit which would convert a W115 200D to the "new" style pencil glow plugs. All of the kits I've seen have jumper wires, four glow plugs, and a relay.

I read somewhere on this board that a new "keyswitch" is included and the pull knob is no longer used. Can anyone shed some light on whether this keyswitch comes with the kit and what does it do?

From what I can guess, a new keyswitch would add a "glow" and "start" position to the existing "off/unlock steering/accessories on" positions. Then you could use the key to do everything rather than using the pull knob for "glow" and "start".... am I correct?

Thanks!
Neal

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'83 300SD 335,000km (207k) mi SOLD
'87 560SL 163,000km (101k mi) SOLD
'86 300SDL 356,000km (220k mi) SOLD
'92 500SEL 250,000km (155k mi) SOLD
'90 300SL 140,000km (87k mi) SOLD
'01 S430 260,000km (161k mi) SOLD
'03 SL500 167,000km (104k mi) SOLD
'07 S550 4MATIC 235,000km (146k mi) SOLD
'07 GL320 CDI 4MATIC 348,000km (215k mi)
'13 GL350 BlueTec 4MATIC 170,000km (105k mi)
'14 SL550 72,000km (43k mi)

bump It Up

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1961 190Db retired
1968 220D/8 325,000
1983 300D 164,150