AUTOOL Diagnostic Adapter Series
Connect classic Mercedes 38-pin ports to modern OBD2 diagnostic tools.
Engineered specifically for pre-OBD2 Mercedes-Benz vehicles (including W124, W140 S-Class, W202 C-Class, W208 CLK, W210 E-Class, and R129 SL), this adapter cable connects the engine compartment round 38-pin test port to standard 16-pin (J1962) scan tools (Launch, Autel, Thinktool, Star Diagnosis/C4 adapters).
- Dedicated Mercedes 38-Pin Layout
- Oxygen-Free Pure Copper Wiring
- Reinforced Molded Connectors
- Zero Latency Signal Transfer
CHASSIS COMPATIBILITY
Complete Module Diagnostics & Live Data
Access engine management (ME/HFM), transmission (EGS), ABS/ASR, and instrument clusters through the vehicle's original 38-pin multi-pin diagnostic interface.
FREQUENTLY ASKED QUESTIONS
Technical Guidance
Which Mercedes models use the 38-pin socket?
Models built between roughly 1993 and 2001, including W124, W140, W202, W208, W210, R129, and R170 with the round 38-pin connector in the fuse box or engine bay.
Can generic OBD2 handheld scanners read all modules with this cable?
Basic generic code readers only query engine emissions (Pin 7). Professional multi-system scanners (Launch, Autel, Thinktool) can access all available Mercedes ECUs via multiplexing.
