Recently replaced the conductor plate and connector plug. I need to clear the codes to get the car out of limp mode, the shop wants 100$. However If I could buy an inexpensive scanner to keep it with me it would be useful as opposed to pay a shop.

Any ideas?

I don't own one yet, but am planning to purchase this soon:
https://www.amazon.com/FOXWELL-NT530-Mercedes-Multi-System-Diagnostic/dp/B07XQGSS48/
https://www.amazon.com/FOXWELL-Adapter-Diagnostic-Connector-Mercedes/dp/B07ZRDB3CY/

I don't think any of the cheapo OBD scanners will do what you need.

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1968 220D, w115, /8, OM615, Automatic transmission.
My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear).

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(in case any of these fit your wallet)

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-- raymond~
47º 34'N 122º 18'W

I bought one of the higher end harbor freight scanners for about $180. I got no complaints

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero

And it has the Mercedes specific 38 pin connector?